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:: Volume 5, Issue 1 (March- 2016) ::
Caspian J Dent Res 2016, 5(1): 29-35 Back to browse issues page
Dimensional changes of dental arch following non-extraction orthodontic treatment
Mahsa Sobhi Afshar, Asghar Ebadifar *
,Dentofacial Deformities Research Center, Deptartment of Orthodontics, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran. , a.ebadifar@sbmu.ac.ir
Abstract:   (5117 Views)

Introduction: Since the emergence of normal occlusion concept, selecting an appropriate treatment plan with or without tooth extraction has been a controversial subject. Nowadays, both methods can be successfully used for treatment of patients. However, some clinicians still believe that non-extraction orthodontic treatments have fewer complications. The purpose of this study was to evaluate dental arch dimensional changes following non-extraction orthodontic treatment.

Materials &Methods: A total of 200 pre- and post-treatment diagnostic dental casts belonging to 100 patients (non-ext treated by 0.18 roth system) who met the inclusion criteria for this study were collected from the archives of Shahid Beheshti Dental School. Sampling was nonrandomized. A digital caliper with the accuracy of 0.1 mm was used for the measurement of variables such as inter-canine width , inter-premolar width and inter-molar width.

Results: Non-extraction orthodontic treatment increased all the variables, except for the mandibular inter-canine width and incisor-canine distance.

Conclusion: Non-extraction orthodontic treatment causes a significant increase in almost all dental arch parameters. This increase manifests as teeth flaring.

Keywords: Dental arch, Orthodontics, Mandible, Maxilla
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Type of Study: Original Article | Subject: Orthodontics
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Sobhi Afshar M, Ebadifar A. Dimensional changes of dental arch following non-extraction orthodontic treatment . Caspian J Dent Res. 2016; 5 (1) :29-35
URL: http://cjdr.ir/article-1-176-en.html

Volume 5, Issue 1 (March- 2016) Back to browse issues page
مجله تحقیقات دندانپزشکی کاسپین Caspian Journal of Dental Research
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