Orthodontics
Foroozan Farahbod; Sepideh Dadgar; Farhad Sobouti; Ali Malekzadeh Shafaroudi; Sajad Yousefi; Ali Nowruzy
Abstract
Background: Superimposition of left and right structures is an issue in lateral cephalometric radiographs in dentistry, making it challenging to measure structures, including the gonial angle. Panoramic radiography contains fewer superimposing structures; therefore, it could measure the gonial angle. ...
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Background: Superimposition of left and right structures is an issue in lateral cephalometric radiographs in dentistry, making it challenging to measure structures, including the gonial angle. Panoramic radiography contains fewer superimposing structures; therefore, it could measure the gonial angle. This study aimed to compare the gonial angle in panoramic and lateral cephalometric radiographs in different skeletal patterns.Methods: In this cross-sectional study, 240 panoramic and lateral cephalometric radiographs were collected from the archives of Sari Dental School. The gonial angle of each radiograph was traced and measured with a conveyor. Data analysis was performed using ANOVA and paired t-test, and P-value <0.05 were considered significant.Results: The paired t-test of the gonial angle did not show a statistically significant difference between different skeletal groups when measured using panoramic and lateral cephalometric radiographs. According to the results, the p-value of the difference between the right and left gonial angles in skeletal class III patients (p=0.019) was obtained larger than the test level (p=0.05). Therefore, it can be concluded that there is a statistically significant difference between the size of the left and right gonial angles in panoramic radiographs of skeletal class III patients. Conclusion: Panoramic radiography can be an accurate alternative to lateral cephalometric radiographs for measuring the gonial angle in different skeletal patterns due to the lower radiation it exposes to the patient.
Orthodontics
Farhad Sobouti; Reza Aliza deh-Navaei; Mehran Armin; Anahita Lotfizadeh; Mehdi Aryana; Sepideh Dadgar
Volume 15, Issue 2 , September 2020, , Pages 1-4
Abstract
Introduction: Orthodontics is defined as a branch of dentistry that deals with the correction of malocclusion. In this regard, determining the most appropriate time for orthodontic treatment is of utmost importance. General dental practitioners (GDPs) are normally the first link of the treatment chain ...
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Introduction: Orthodontics is defined as a branch of dentistry that deals with the correction of malocclusion. In this regard, determining the most appropriate time for orthodontic treatment is of utmost importance. General dental practitioners (GDPs) are normally the first link of the treatment chain of patients needing orthodontic treatments. The present study aimed to determine the GDPs’ knowledge of appropriate timing of orthodontic treatments in Sari, Iran. Material and methods: This descriptive, analytical and cross-sectional study was performed on GDPs working in Sari in 2019. The statistical population included 380 GDPs, 186 of whom were selected. Data were collected using a 24-item questionnaire is applied to evaluate the GDPs’ knowledge level of the appropriate timing of orthodontic treatments. Data analysis was performed in SPSS version 19.Results: In total, 142 out of 186 GDPs participated in the study with a mean age of 36.12±10.15 years. 86 subjects (59.9%) had less than 10 years of work experience. Total mean (±SD) knowledge level of the GDPs was estimated at a moderate level (14.13±3.79). Percentage of the knowledge levels of poor, moderate and good was 12, 70, and 18, respectively. There was significant relationship between knowledge level and gender (P=0.013). Meanwhile, no association was observed between the work experience of the participants and their level of knowledge (P=0.393).
Conclusions: According to the results of the present study, the total mean score of GDPs’ knowledge of appropriate timing of orthodontic treatments in Sari was moderate, and only 12% of the participants had poor knowledge level in this regard. It is notable that male subjects had a significantly higher knowledge level, and another analysis demonstrated the lack of effectiveness of work experience on the knowledge level of individuals.
Farhad Sobouti; Fatemeh Namvar; Sepideh Dadgar
Abstract
Context: In recent years, lasers have numerous applications in orthodontics as an important field of dentistry. The purpose of this article is to review some of the major applications of laser in the field of soft tissue management in orthodontics.
Evidence Acquisition: No single laser wavelength can ...
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Context: In recent years, lasers have numerous applications in orthodontics as an important field of dentistry. The purpose of this article is to review some of the major applications of laser in the field of soft tissue management in orthodontics.
Evidence Acquisition: No single laser wavelength can be used to optimally treat all dental diseases. However, the needs of the orthodontic clinician are unique and selection of the most appropriate laser for orthodontic applications is essential to achieve optimal results. Results: Light emitted from diode lasers is poorly absorbed by dental hard tissues, these lasers can be safely used for soft tissue surgery applications, including gingival recontouring, crown lengthening, removal of hypertrophic tissue and frenectomies close to the enamel, dentine and cement. Considering beam safety, most of the lasers used for medical and dental purposes are in the Class IV category, so it is necessary to take appropriate safety measures.
Conclusions: In the near future, with the clarification of laser exposure protocols and a decrease in device cost and, Dental lasers may play an increasingly important role in soft tissue management during orthodontic treatment.
Masood Feizbakhsh; Parvin Khadem; Peyman Torky; Sepideh Dadgar; Fatemeh Teimouri
Abstract
Aim: The main goal of thisstudywas to evaluate orthodontic treatment needs (IOTN) ofschoolboys population of Isfahan in 2009-2010based on Index of Orthodontic Treatment Need (IOTN).Materials and Methods: In this study an examiner used the Dental Health Component (DHC) and Aesthetic components (AC) of ...
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Aim: The main goal of thisstudywas to evaluate orthodontic treatment needs (IOTN) ofschoolboys population of Isfahan in 2009-2010based on Index of Orthodontic Treatment Need (IOTN).Materials and Methods: In this study an examiner used the Dental Health Component (DHC) and Aesthetic components (AC) of IOTN to assess Orthodontic treatment needs for 400 Isfahan schoolboys. Multistage randomized cluster sampling method was used to choose the participants. All the participants were schoolboys aged 11 to 14 years. Using the IOTN, Malocclusion was determined. To evaluate the data a chi-square test was carried out. Results: Taking into account DHC, 3.5% of Isfahan schoolboys were in 'Extreme need', 14% in 'Severe need', 25% in 'Moderate need', 38.5% in 'Little need' and 19% had 'No need' to orthodontic treatment.In evaluating AC, 77.5% had no need or little need, 16.5% had moderate need and 6% had great need to treatment group.Conclusion: It was concluded that 17.5% of 11-14 year-old male students in Isfahan need orthodontic treatment (IOTN grades 4 and 5) and common deviations in this group were impaction, hypodontia and contact displacement.
