Original Article
Year : 2019 | Volume : 10 | Issue : 1 | Page : 10-17
Prediction of the size of unerupted permanent canines and premolars in a Qatari sample
Hayder Abdalla Hashim1, Hashim Al-Najoomi Al-Hussain2, Mohamed Hayder A Hashim3
1 Department of Orthodontics, Hamad Dental Centre, Hamad Medical Corporation, Rumaila Hospital, Doha, Qatar, 2 Department of Histopathology, Qatar University, College of Medicine, Research Lab, Doha, Qatar, 3 Department of Orthodontics, Dental College, Khartoum University, Khartoum, Sudan
Correspondence Address:
Hayder Abdalla Hashim
Orthodontic Division, Hamad Dental Centre, Rumaila Hospital, P.O. Box 3050, Doha, Qatar
Abstract:
Aim:
The purpose of this investigation was to establish an equation for the prediction of the size of unerupted canines and first and second premolars in a Qatari population.
Materials and Methods:
In this study, dental casts of 100 Qataris (50 males and 50 females) were selected. The participants' age ranged from 15 to 20 years. The width of all permanent teeth with the exception of second and third molars was measured. The data were subjected to Student's t-test and regression analysis.
Results:
The results indicated that 15%, 25%, and 35% confidence levels were more accurate determinants of the unerupted canines and premolars than the commonly used 75% level of Moyers when both sexes were combined. The multiple regression equations revealed different confidence levels for males and females. Tanaka and Johnston's equations overestimate the predicted tooth width of the unerupted canine and first and second premolars.
Conclusions:
Three levels of confidence were found to be more accurate in the maxillary arch and two in the mandibular arch when compared to the commonly used 75% in Moyers' table when both sexes were combined. Therefore, three new equations for maxillary and mandibular arches are proposed to predict the size of unerupted canine and first and second premolar teeth for Qatari males and females and for both sexes combined.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_29_18
How to cite this article: Hashim HA, Al-Hussain HA, Hashim MH. Prediction of the size of unerupted permanent canines and premolars in a Qatari sample. Int J Orthod Rehabil 2019;10:10-7.
Original Article
Year : 2019 | Volume : 10 | Issue : 1 | Page : 1-9
Dental features and treatment findings of impacted maxillary central incisors: A multicenter study
Eleni N Katsikogianni1, Sarah H Arqub2, Taranpreet Chandhoke3, Nikolaos Nikitas Giannakopoulos4, Diana M Barbosa-Liz5
1 Department of Orthodontics, Faculty of Medicine, Heidelberg University, Heidelberg, Germany, 2 UCONN Fellow, Associate Orthodontist, Sunna Orthodontic Center, Amman, Jordan, Abu Dhabi, UAE, 3 Assistant Professor, Division of Orthodontics, University of Connecticut School of Dental Medicine, Connecticut, USA, 4 Department of Prosthodontics, Faculty of Medicine, University of Würzburg, Würzburg, Germany, 5 Gionorto Research Group, Faculty of Dentistry, University of Antioquia, Medellín, Colombia
Correspondence Address:
Diana M Barbosa-Liz
Gionorto Research Group, Department of Orthodontics, University of Antioquia, Calle 70 # 52-21, Medellìn, Antioquia, Colombia.
Abstract:
Background:
Impacted upper central incisors substantially affect esthetics, function, and the self-esteem of patients. This retrospective multicenter study was designed to assess and compare the demographic and radiographic features and treatment findings for patients with impacted upper central incisors in three different countries.
Materials and Methods:
Diagnostic and treatment records, panoramic radiographs, and lateral cephalograms were retrieved for 74 (32 female) patients (11.24 ± 2.9 years old), with impacted upper central incisors from the USA, Germany, and Colombia, according to the preset eligibility criteria. Sagittal and vertical angulation and location of the upper impacted central incisors, type of radiographic skeletal malocclusion, surgical procedures, and duration of treatment were investigated.
Results:
Statistically significant differences between the three groups were found for age (P = 0.003), duration of treatment (P = 0.001), and location of the impacted upper central incisors (P = 0.015). The angulation was significantly bigger for the impacted central incisors compared to the respective normal incisors (P < 0.0001). The age of the patients did not influence the treatment time. The regression model showed that higher height of impaction was associated with a closed surgical procedure (P = 0.046).
Conclusions:
Patients with impacted incisor treated in three different centers showed differences in terms of age, gender, treatment time, and type of surgical treatment. The surgical access with closed surgery has a direct relationship with a more apical location of the impacted incisor.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_5_19
How to cite this article: Katsikogianni EN, Arqub SH, Chandhoke T, Giannakopoulos NN, Barbosa-Liz DM. Dental features and treatment findings of impacted maxillary central incisors: A multicenter study. Int J Orthod Rehabil 2019;10:1-9.
Case Report
Year : 2019 | Volume : 10 | Issue : 2 | Page : 95-98
Mini-screw assisted interim pontic
S B V Ramana Reddy, Jonnalagadda Venkata Naga Sravanthi
Private Practitioners (Orthodontists), Eswar Dental Clinic, Hyderabad, Telangana, India
Correspondence Address:
Dr. S B V Ramana Reddy
Eswar Dental Clinic, MIG-276, Road No. 4, KPHB Colony, Hyderabad - 500 085, Telangana, India.
Abstract:
Replacement of missing teeth in growing children is one of the challenges an orthodontist encounters. Removable partial denture or resin-bonded fixed denture can be considered as replacement options, but they promote alveolar bone loss due to lack of alveolar loading. Removable denture is undesirable as adolescents are self-conscious in revealing the edentulous space while eating. Resin-bonded fixed denture compromise alveolar and gingival contours. Dental implants are not placed in growing children due to remaining growth. Orthodontic miniscrews can be efficiently used for interim restoration before skeletal growth. The current article presents a case report of miniscrew-assisted interim tooth pontic.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_12_19
How to cite this article: Reddy SV, Sravanthi JV. Mini-screw assisted interim pontic. Int J Orthod Rehabil 2019;10:95-8.
Case Report
Year : 2019 | Volume : 10 | Issue : 2 | Page : 92-94
Treatment of anterior open bite using mini-implants
Poornima R Jnaneshwar, Suresh Anand Kumar, Krishnaraj Rajaram
Department of Orthodontics, SRM Dental College, Chennai, Tamil Nadu, India
Correspondence Address:
Dr. Poornima R Jnaneshwar
Department of Orthodontics, SRM Dental College, Ramapuram, Chennai - 600 089, Tamil Nadu, India.
Abstract:
The paper focuses on orthodontic management of anterior open bite by using mini-implants. Orthodontic mini-implants have been extensively used for anchorage, and they have widened the spectrum of tooth movement that can be achieved. A clinical case with anterior open bite treated with orthodontic fixed mechanotherapy along with mini-implants for anchorage is presented.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_26_18
How to cite this article: Jnaneshwar PR, Kumar SA, Rajaram K. Treatment of anterior open bite using mini-implants. Int J Orthod Rehabil 2019;10:92-4.
Review Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 88-91
A multidisciplinary approach in the management of impacted maxillary canine
Jeremiah Robert Moshy, Karpal Singh Sohal,
Department of Oral and Maxillofacial Surgery, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
Correspondence Address:
Karpal Singh Sohal
Department of Oral and Maxillofacial Surgery, Muhimbili University of Health and Allied Sciences, P.O. Box 65014, Dar es Salaam, Tanzania.
Abstract:
Impaction of maxillary canines is a commonly encountered clinical problem whose treatment requires a multidisciplinary approach. Thorough clinical and radiological evaluation is very important in appropriately planning the management of impacted maxillary canine. In the present article, an overview of diagnosing and managing the impacted maxillary canines has been discussed.
Source of Support:
None,
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_7_19
How to cite this article: Moshy JR, Sohal KS. A multidisciplinary approach in the management of impacted maxillary canine. Int J Orthod Rehabil 2019;10:88-91.
Review Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 82-87
Extending the envelope of regenerative medicine in orthodontics by stem cells
S D Milling Tania1, Ashwin Mathew George2
1 Department of Orthodontics, Rajas Dental College, Tirunelveli, Tamil Nadu, India, 2 Department of Orthodontics, Saveetha Dental College, Chennai, Tamil Nadu, India
Correspondence Address:
Dr. S D Milling Tania,
Rajas Dental College, Kavalkinaru, Tirunelveli - 627 105, Tamil Nadu, India
Source of Support:
None,
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_20_19
Stem cell (SC) therapy has become a buzz word in several debilitating diseases in medicine. This rapidly evolving cutting-edge technology has slowly extended its tentacles in dentistry without sparing orthodontics. There are several conditions in orthodontics which are only being partly answered by human-engineered techniques. With the hope of getting a complete solution to several such problems, research in SC therapy has gained momentum in orthodontics for the past few decades. Electronic databases were searched for the material collection; language restriction was not followed. The following keywords were used: stem cell and orthodontics. The search was not limited to any particular type of study design. This review article describes various possible areas in orthodontia where SC therapy will and can be applied in future based on the evidence from a collection of several such studies conducted in those areas.
How To Cite This Article:
Tania SD, George AM. Extending the envelope of regenerative medicine in orthodontics by stem cells. Int J Orthod Rehabil 2019;10:82-7.
Review Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 75-81
Orthodontic apps: A stairway to the future
Sameer Makarand Phatak, Suchita Sadashiv Daokar
Department of Orthodontics and Dentofacial Orthopedics, CSMSS Dental College and Hospital, Aurangabad, Maharashtra, India
Abstract:
The increasing usage of smartphones is rapidly changing our lives both personally and professionally. In healthcare and dentistry, various apps are accessible on the smartphone to educate patients about orthodontics and help them through their treatment. Also, various apps are available for the orthodontist to manage patients and to update oneself on the current modalities of treatment. The aim of this article was to review the various apps available on the iOS Apple Store and Google Play Store for patients and orthodontists. Two smartphones were used to search for apps using keywords such as orthodontics, orthodontist, braces specialists, and braces. A total of 354 apps relevant to orthodontics were found on both the iOS and Android platforms. These apps could be classified as patient education apps, patient management apps, diagnostic apps, and updating apps.
Correspondence Address:
Dr. Suchita Sadashiv Daokar
Department of Orthodontics and Dentofacial Orthopedics, CSMSS Dental College and Hospital, Aurangabad - 431 011, Maharashtra, India.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_10_19
How to cite this article: Phatak SM, Daokar SS. Orthodontic apps: A stairway to the future. Int J Orthod Rehabil 2019;10:75-81.
Original Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 70-74
Comparative evaluation of Tweed's analyses in Class I, Class II, and Class III participants of Central India: A pilot study
Shail Kumari1, Shirish M Bapat1, Kshitij Gupta1, Bosco Thomas2
1 Department of Orthodontics and Dentofacial Orthopaedics, Rishiraj College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India,
2 Peoples Dental Academy, Bhopal, Madhya Pradesh, India
Correspondence Address:
Dr. Shail Kumari
Department of Orthodontics and Dentofacial Orthopaedics, Rishiraj College of Dental Sciences and Research Centre, Bhopal - 462 037, Madhya Pradesh, India.
Objective:
Comparative evaluation of Tweed's analyses in Class I, Class II, and Class III participants of Central India in two different age groups.
Materials and Methods:
Sample size comprised 240 participants belonged to Central India. Participants were divided into two main groups: Group I comprised 120 young children in the age group of 12–16 years and Group II comprised 120 young adults in the age group of 18–22 years. Tweed's analysis was performed from the collected sample.
Results:
The lower incisor inclination (incisor-mandibular plane angle [IMPA]) in Central India participants was higher (100.13°) compared to the original Tweed norm of IMPA 90°. Statistically higher value of IMPA was found in young male children compared to young female children in Class II div 1 and Class II div 2 participants and opposite trend was seen in Class III young adults. The Frankfort-mandibular plane angle was found to be significantly more in young adult females (24.93°) than males (18.07°) in Class III participants. Angle IMPA was found to be significantly higher in Class I compared to Class III participants and significantly higher in Class III compared to Class II div 2 participants.
Conclusion:
The differences of Tweed's parameters in this pilot study indicate that Caucasian norms cannot be truly adhered to Central India participants during orthodontic treatment. Lower incisors were normally more proclined in Central Indian participants and their over retraction during orthodontic treatment would cause prominent chin. Proclination of lower incisor was more in young male children compared to young female children in Class II div 1 and Class II div 2 participants and opposite trend was seen in Class III young adults. Class III female adults show tendency toward vertical growth pattern compared to males. Proclination of lower incisor was found to be more in Class I compared to Class III participants and more in Class III compared to Class II div 2 participants.
Source of Support:
None,
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_9_19
How to cite this article: Kumari S, Bapat SM, Gupta K, Thomas B. Comparative evaluation of Tweed's analyses in Class I, Class II, and Class III participants of Central India: A pilot study. Int J Orthod Rehabil 2019;10:70-4.
Original Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 65-69
Evaluation of different force magnitude to orthodontic microimplants on various cortical bone thickness – Three-dimensional finite element analysis
BC Patil, Akash Kencha, Spoorthy Obalapura, Vishwanath Patil, Kasturi Patil
Departments Orthodontic and Dentofacial Orthopedics and Orthodontics, H.K.E.S's S.N Institute of Dental Sciences and Research, Gulbarga, Karnataka, India
Correspondence Address:
Dr. Akash Kencha
Kencha Complex, Madival Chowk, Udgir Road, Bidar - 585 401, Karnataka, India.
Abstract:
Aims:
The aim of this study was to determine appropriate range of cortical bone thickness (CBT) to adequately support microimplants and optimum force magnitude on microimplants for minimal stress distribution.
Settings and Design:
Three-dimensional (3D) CAD models of the desired implant features and cylindrical bone piece of desired height and thickness were exported to FEA software, and variable load was applied on range of different CBT to determine the compressive radial stress and maximum failure load.
Subjects and Methods:
it is clearly said that CBT of various thickness which will represent human maxilla and mandibular bone. The force magnitudes ranging from 15 g to 150 g (in range of 15 g, 50 g, 85 g, and 150 g) were taken to simulate typical orthodontic forces loaded onto microimplant.
Statistical Analysis Used:
Statistical data were analyzed by IBM SPSS Statistics for windows Version 20.0 (IBM Corp., Armonk, NY, USA) software. For quantitative data analysis, ANOVA test was used.
Results:
For CBTs of 0.5, 1.5, 2.5, and 3.0 mm, the maximum force magnitudes that could be applied safely were 533.7, 551.7, 552.3, and 552.9, respectively. Even though there was no difference statistically, the amount of displacement for CBT 1.5–3.0 mm is comparatively less than for 0.5 mm. CBT value of 1.5–3.0 mm might be appropriate for microimplant stability.
Conclusions:
For the purpose of diminishing orthodontic microimplant failure, an optimal force that can be safely loaded onto a microimplant should not exceed a value of around 533–553 g. The CBT of 1.5–3.0 mm might be considered appropriate for the stability of microimplant.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_30_18
How to cite this article: Patil BC, Kencha A, Obalapura S, Patil V, Patil K. Evaluation of different force magnitude to orthodontic microimplants on various cortical bone thickness – Three-dimensional finite element analysis. Int J Orthod Rehabil 2019;10:65-9.
Original Article
Year : 2019 | Volume : 10 | Issue : 2 | Page : 57-64
Assessment of early orthodontic treatment need and its relationship with sociodemographic characteristics among Tanzanian children using index for preventive and interceptive orthodontic treatment need
Joseph Paulinus Tungaraza1, Matilda Mtaya-Mlangwa2, Abella Emeria Mugonzibwa2
1 Clinician, Muhimbili National Hospital, Dar es Salaam, Tanzania,
2 Department of Orthodontics Paedodontics and Community Dentistry, School of Dentistry, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
Correspondence Address:
Dr. Joseph Paulinus Tungaraza
P.O. Box 65000, Dar es salaam, Tanzania
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_15_19
Background:
Early orthodontic treatment (EOT) aims at identifying and intervening occlusal conditions in primary and early-mixed dentition.
Aim:
This study aimed at assessing EOT need and its relationship with sociodemographic characteristics using the index for preventive and interceptive orthodontic treatment needs (IPION) among schoolchildren in Dar es Salaam, Tanzania.
Study Setting and Design:
An analytical cross-sectional study was conducted among schoolchildren aged 6 and 9 years.
Materials and Methods:
Schoolchildren were selected by multistage cluster sampling technique. Questionnaires were used to obtain sociodemographic information; clinical examinations were done to record schoolchildren's IPION scores.
Statistical Analysis Used:
Data were analyzed using a computer software, SPSS version 20.0. Chi-square test was used for assessing statistical differences between variables; P value was set at P < 0.05.
Results:
A total of 667 schoolchildren were involved (59.5% girls; 52.5% 9-year-olds). In 6-year-olds, 77.9% had caries, and in 9-year-olds, 60% had caries. Lower-second primary molars were the most common prematurely lost teeth. Increased overjet was the most frequently recorded occlusal anomaly. Many 9-year-old boys than girls had caries (67.4% vs. 55.5%, P = 0.032). Six-year-olds with mothers who were homemakers compared to those with employed mothers experienced caries (81.7% vs. 71.0%, P = 0.034). Overall, 67.2% and 41.7% of the participants had EOT need and definite EOT need, respectively.
Conclusion:
EOT need for malocclusions was high in the involved school children, these will thus benefit from preventive and interceptive orthodontic treatment programs.
How to cite this article: Tungaraza JP, Mtaya-Mlangwa M, Mugonzibwa AE. Assessment of early orthodontic treatment need and its relationship with sociodemographic characteristics among Tanzanian children using index for preventive and interceptive orthodontic treatment need. Int J Orthod Rehabil 2019;10:57-64.
Erratum
Year : 2019 | Volume : 10 | Issue : 3 | Page : 145
Erratum: Phase I correction of skeletal Class III malocclusion with a modified tandem appliance
Erratum: Phase I correction of skeletal Class III malocclusion with a modified tandem appliance. Int J Orthod Rehabil [serial online] 2019 [cited 2022 Mar 8];10:145. Available from: https://www.orthodrehab.org/text.asp?2019/10/3/145/263419
In the article titled “Phase I correction of skeletal Class III malocclusion with a modified tandem appliance”, published on pages 150-153, Issue 4, Volume 8 in International Journal of Orthodontic Rehabilitation[1], the term “ANB -5” is incorrectly mentioned as “ANB 5” on page 150, under Case Report 3rdparagraph 3rdline.
The correct statement should be read as “Cephalometric analysis was indicative of a retrognathic maxilla (SNA 78), mildly prognathic mandible (SNB 83) causing a Class III skeletal base (ANB -5) with a horizontal growth pattern [Table 1]”
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/2349-5243.263419
How to Cite This Article:
Erratum: Phase I correction of skeletal Class III malocclusion with a modified tandem appliance. Int J Orthod Rehabil 2019;10:145
Short Communication
Year : 2019 | Volume : 10 | Issue : 3 | Page : 143-144
Modification of maxillary splint for simultaneous protraction and esthetic rehabilitation of anterior teeth
Deepak Chauhan, Sanjeev Datana, Abhijeet Kadu, SS Agarwal, Vishvaroop Nagpal, Varun Govindraj
Department of Dental Surgery and Oral Health Sciences, Division of Orthodontics and Dentofacial Orthopedics, AFMC, Pune, Maharashtra, India
Correspondence Address:
Deepak Chauhan
Department of Dental Surgery and Oral Health Sciences, Division of Orthodontics and Dentofacial Orthopedics, AFMC, Pune - 411 040, Maharashtra, India
Abstract:
Cleft lip and palate (CLP) patients struggle from multiple limitations, both functionally and esthetically, impeding their social and psychological development. These patients adapt fairly to the functional requirements, but esthetic aspect is always compromised, which play a significant role in their overall development and their acceptance in the society. Early rehabilitation of the esthetic component in the form of replacement of the missing anterior teeth has a positive impact on the quality of life of these patients, which is usually neglected in the early phase of orthodontic treatment. This paper attempts to address the esthetic aspect of CLP patient with a clinical modification of conventional treatment modality.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_22_19
How to cite this article: Chauhan D, Datana S, Kadu A, Agarwal SS, Nagpal V, Govindraj V. Modification of maxillary splint for simultaneous protraction and esthetic rehabilitation of anterior teeth. Int J Orthod Rehabil 2019;10:143-4.
Review Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 138-142
Vibrations in orthodontics: Is it the future?
Syeda Shabana Yashmin1, Akansha Pandey2, Syed Tanweer Ahmad Sabir3
1 Consultant Orthodontist, Private Practice, Dr. Sabir's Care, Assam, India, 2 Consultant Orthodontist, Private Practice, Lucknow, Uttar Pradesh, India, 3 Department of Orthodontics, Regional Dental College, Assam, India
Correspondence Address:
Syeda Shabana Yashmin
Dr. Sabir's Care Clinic, Titabar Tinali, Jorhat - 785 630, Assam, India.
Abstract:
Ever since the advent of orthodontic therapy, time required for orthodontic treatment has always been under the scanner. Various studies have been done solely for the purpose of decreasing the treatment time. Few methods were invasive while others are not successful enough in accelerating the treatment time. One of the latest methods to accelerate orthodontic treatment is the use of high-frequency small-magnitude vibrations at specific locations. Various animal studies have already been carried out to enhance the methods used to increase orthodontic tooth movement (OTM) and in turn decrease the treatment time. Electronic databases of PubMed library were searched from 1998 to 2018. Ten clinical studies were evaluated after considering the inclusion and exclusion criteria. It was concluded that high-frequency low-magnitude vibrations can increase OTM by activation of receptor activator of nuclear factor-kappa B/receptor activator of nuclear factor-kappa B ligand pathway and stimulating the periodontal tissues.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_24_19
How to cite this article: Yashmin SS, Pandey A, Sabir ST. Vibrations in orthodontics: Is it the future? Int J Orthod Rehabil 2019;10:138-42.
Review Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 134-137
Effects of orthodontic therapy on halitosis
Nithin Varghese Joy, Pratham Pai, H Jyothikiran, N Raghunath
Department of Orthodontics, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysore, Karnataka, India
Abstract:
Halitosis denotes the offensive odor of breath. The condition frequently causes embarrassment, may affect interpersonal social communication, and has also become an important market for pharmacological and cosmetic industries. A recent study reveals a prevalence rate of 21.7%–35.3% for halitosis among Indian dental students. The effect of orthodontic treatment, be it fixed or removable appliance therapy on the rate of halitosis is substantial. This article is an attempt to throw light on the various determinants of halitosis during orthodontic therapy and also presents few tips for better breath during the same.
Correspondence Address:
Nithin Varghese Joy
Department of Orthodontics, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysore, Karnataka, India
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_11_19
How to cite this article: Joy NV, Pai P, Jyothikiran H, Raghunath N. Effects of orthodontic therapy on halitosis. Int J Orthod Rehabil 2019;10:134-7.
Review Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 121-133
Light-curing unit (devices)
Pooja Garbadrao Hadole, Suchita Sadashiv Daokar
Department of Orthodontics, CSMSS Dental College and Hospital, Aurangabad, Maharashtra, India
Correspondence Address:
Suchita Sadashiv Daokar
Department of Orthodontics, CSMSS Dental College and Hospital, Aurangabad - 431 002, Maharashtra, India.
Abstract:
Bonding is the most published and researched procedure in orthodontics. Since its inception in 1954 by Buonocore, bonding material and technique have undergone major innovations and upgrading. Self-cured bonding materials were truly replaced with light cure ones, which provide an added advantage of controlled curing time and ease of operation. The light cure bonding material needs a specific light cure device for its curing. These devices have also undergone major changes in the past years. Halogen light cure devices were replaced by plasma arc, and recently, market is now flooded with light emitting diode light cure devices. However, literature search failed to reveal any review on this aspect. Hence, the author felt the need to review this untrodden topic. This article deals in detail with the various light cure devices used in orthodontics.
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_1_19
How to cite this article: Hadole PG, Daokar SS. Light‐curing unit (devices). Int J Orthod Rehabil 2019;10:121-33.
Original Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 116-120
Analysis of frontal sinus in various malocclusions
Aishwarya Sabharwal, Amol S Patil, Siddharth Shinde, Vinit Swami
Department of Orthodontics, Bharati Vidyapeeth Dental College and Hospital, Pune, Maharashtra, India
Correspondence Address:
Aishwarya Sabharwal
Department of Orthodontics, Bharati Vidyapeeth Dental College and Hospital, Pune-Satara Road, Katraj, Dhankawadi, Pune - 411 043, Maharashtra, India
Abstract:
Aims:
The study aims to investigate the normal dimensions of the frontal sinus and determine the role of the frontal sinus in various skeletal malocclusions and also to analyze the relationship between the length of the mandible and frontal sinus dimension.
Materials and Methods:
A total of 120 lateral cephalograms were selected according to the criteria and were grouped mainly into three groups: Group 1 – Class I (N = 40), Group 2 – Class II (n = 40), and Group 3 – Class III (n = 40). These were traced and analyzed by recording the linear measurements such as maximum width, maximum height, area of frontal sinus region, and the length of the mandible. To compare the difference between the skeletal classes, one-way ANOVA test was performed followed by post hoc with Sidak and Bonferroni statistical tests.
Results:
There was no such significant difference in the measurements of maximum width, height, and area of frontal sinus region of classes I, II, and III.
Conclusions:
After analyzing the linear dimensions, we found out that there is a significant difference in height, width, and area of the frontal sinus region with respect to classes I, II, and III. Therefore, we can say that the frontal sinus plays a significant role in depicting skeletal malocclusions.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_16_19
How to cite this article: Sabharwal A, Patil AS, Shinde S, Swami V. Analysis of frontal sinus in various malocclusions. Int J Orthod Rehabil 2019;10:116-20.
Original Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 112-115
Study of patterns of sella turcica with different malocclusions
Pranali Kadam, Aishwarya Sabharwal, Amol S Patil, Anand Sabane, Veera Bhosale
Department of Orthodontics, Bharati Vidyapeeth Dental College and Hospital, Pune, Maharashtra, India
Correspondence Address:
Aishwarya Sabharwal
Department of Orthodontics, Bharati Vidyapeeth Dental College and Hospital, Satara Road, Katraj, Dhankawadi, Pune - 411 043, Maharashtra, India.
Abstract:
Background:
In the field of orthodontics and dentofacial orthopedics, for treatment of malocclusion, diagnosis of facial skeletal type is one of the important aspects. Sometimes, cephalograms are not enough to determine the facial skeletal pattern. Hence, the relationship between sella turcica and other facial skeletal patterns can guide us to determine the proper facial skeletal type and can also help in treatment planning.
Aims:
The aim of the study was to investigate the normalcy of the dimensions of sella turcica and comparison of the relationship of sella turcica with different skeletal malocclusions.
Materials and Methods:
A total of 90 pretreatment digital lateral cephalograms were selected according to the criteria and grouped into 3 groups: Group 1: Class I (n = 30), Group 2: Class II (n = 30), and Group 3: Class III (n = 30). Lateral cephalograms were traced and studied on the basis of sella turcica. The following linear measurements were recorded: length, depth, and diameter of the sella.
Statistical Analysis Used:
Data were subjected to descriptive analysis for mean and standard deviation of all variables and ranges. ANOVA and a post hoc test (Bonferroni and Sidak) were used for multiple comparisons. P <0.05 was considered as the level for statistically significant data.
Results:
The linear measurements of length and diameter showed statistically significant differences in Class I, Class II, and Class III (P = 0.005). However, depth showed no statistically significant difference in the groups.
Conclusions:
The importance of sella turcica is established and normalcy is set by statistical analysis, and the standard values are given for the dimensions of the sella turcica. This can be used for further analysis and reference standards for the Indian population. The length and diameter were statistically significant with different groups. The largest value was given in Class III.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_17_19
How to cite this article: Kadam P, Sabharwal A, Patil AS, Sabane A, Bhosale V. Study of patterns of sella turcica with different malocclusions. Int J Orthod Rehabil 2019;10:112-5.
Original Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 105-111
A radiographic study on craniofacial morphology and dental development in the Jordanian patients with ß-thalassemia major
Juman Mohammad Al-zaben1, Dima Hamdi Bader2, Razan Jamil Salaymeh3
1 Orthodontic Department, Al-Bashir Hospital, Amman, Jordan, 2 Oral Medicine Department, Al-Bashir Hospital, Amman, Jordan, 3 Pediatric dental Department, Al-Bashir Hospital, Amman, Jordan
Correspondence Address:
Juman Mohammad Al-zaben
Department of Dental, Orthodontic Clinic, Al-Bashir Hospital, P. O. Box: Amman, Jordan.
Abstract:
Objective of the Study:
This study aimed to study the cephalometric features of Jordanian patients diagnosed with ß-thalassemia major and compare their dental development with their chronological age.
Subjects and Methods:
This was a case–control study. Lateral cephalometric radiographs of 27 thalassemia patients and controls (matched for age and ethnic origin) were analyzed and compared. Panoramic radiographs of 18 thalassemia patients were analyzed by the Demirjian system to assess their dental development and compare with their chronological age using t-test, with P < 0.05 set as the level of statistical significance.
Results:
Thalassemia patients exhibited a highly significant difference, compared to the controls, in sagittal relationship (ANB), mandibular plane inclination (MxP/MnP), anterior rotation of the maxilla (SN/Mxp), the ratio of posterior to anterior face height, and the upper incisors' distance to the maxillary base (P < 0.005). Prominent upper and lower lips (P < 0.001) and an acute nasolabial angle (P < 0.05) were evident in thalassemia patients compared to controls. Thalassemia patients had a delay in dental development with advancing age. Furthermore, there was a statistically significant correlation (P < 0.001) between the extent of this delay and chronological age, which indicates that the delay increases, as the patient gets older.
Conclusions:
Jordanian ß-thalassemia major patients have a Class II skeletal pattern, a prominent vertical growth direction of the mandible, protruded upper and lower lips, and proclined upper incisors. Furthermore, they have a delay in dental development with advancing age.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_13_19
How to cite this article: Al‐zaben JM, Bader DH, Salaymeh RJ. A radiographic study on craniofacial morphology and dental development in the Jordanian patients with ß‐thalassemia major. Int J Orthod Rehabil 2019;10:105-11.
Original Article
Year : 2019 | Volume : 10 | Issue : 3 | Page : 99-104
Assessment of incisor positions in Yemeni population with different skeletal patterns
Talat Hasan Al-Gunaid
Department of Pediatric Dentistry and Orthodontics, College of Dentistry, Taibah University, Medina, Saudi Arabia; Department of Orthodontics, Faculty of Dentistry, Ibb University, Ibb, Yemen
Correspondence Address:
Talat Hasan Al-Gunaid
Department of Pediatric Dentistry and Orthodontics, College of Dentistry, Taibah University, Medina
Abstract:
Objectives:
This study aimed to determine the position of the incisors and its effects on the profile, identify any possible gender differences, and compare the maxillary and mandibular anterior teeth positions between participants of short, average, and long faces.
Materials and Methods:
This study comprised cephalometric radiographs of 82 participants (male: 42, female: 40) with a mean age of 21.9 ± 2.8 years. The participants were divided into three groups: short face group: Frankfort mandibular plane angle (FMA) <25°, average face group: FMA ≥25°–<30°, and long face group: FMA ≥30°. Seven linear and eight angular measurements were measured and compared between the three groups.
Results:
No gender differences were found. The short face participants tend to have more proclined lower incisors, more protruded chin, more mandibular incisor display, and more retrusive upper lip position than the average and long face groups.
Conclusions:
The short face participants tend to have more proclined lower incisor, more protruded chin, a more mandibular incisor display, and more retrusive upper lip position than the average face and long face groups.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_26_19
How to cite this article: Al‐Gunaid TH. Assessment of incisor positions in Yemeni population with different skeletal patterns. Int J Orthod Rehabil 2019;10:99-104.
Short Communication
Year : 2019 | Volume : 10 | Issue : 4 | Page : 185-187
Correction of bilaterally rotated premolars in bilateral cleft lip and palate patients: An innovative approach
Deepak Chauhan, Sanjeev Datana, Vishvaroop Nagpal, SS Agarwal, Varun Govindraj
Department of Dental Surgery and Oral Health Sciences, Division of Orthodontics and Dentofacial Orthopedics, AFMC, Pune, Maharashtra, India
Correspondence Address:
Dr. Deepak Chauhan
Department of Dental Surgery and Oral Health Sciences, Division of Orthodontics and Dentofacial Orthopedics, AFMC,Pune - 411 040, Maharashtra, India.
Abstract:
Maxillary hypoplasia is a constant feature among patients with cleft lip and palate (CLP), more pronounced in sagittal and transverse dimensions. Transverse maxillary deficiency is first addressed using various expansion appliances. Due to the excessive scarring on the palatal tissue, there is a high chance of relapse of the expansion achieved, and the challenge is to hold the results achieved. Palatal arch holding appliance is commonly used to prevent relapse and to maintain the achieved expansion. Management of difficult cases like bilateral CLP (BCLP) demands speeding up the pace of treatment by innovations in the appliance structures or treatment procedures to shorten the treatment period. This article attempts to address the reduction in the total treatment time in BCLP patients with a clinical modification of conventional treatment modality.
Source of Support:
None
Conflict of Interest:
None
DOI: 10.4103/ijor.ijor_29_19
How to cite this article: Chauhan D, Datana S, Nagpal V, Agarwal SS, Govindraj V. Correction of bilaterally rotated premolars in bilateral cleft lip and palate patients: An innovative approach. Int J Orthod Rehabil 2019;10:185-7.