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Information Journal Paper

Title

MANDIBULAR SIZE AND POSITION IN 8-13 YEAR OLD IRANIAN CHILDREN WITH CLASS II DIVISION 1 MALOCCLUSION

Pages

  92-99

Abstract

 Statement of Problem: Assessment of mandibular size and position is essential when planning a treatment strategy for patients with Class II MALOCCLUSION.Purpose: This study was carried out to evaluate the mandibular size and position of 8- 13 year-old children with CLASS II DIVISION 1 MALOCCLUSION whom were referred to the Faculty of Dentistry, Shiraz University of Medical Sciences, Iran.Materials and Methods: 935 lateral cephalograms of children with normal occlusion (425 films) and CLASS II DIVISION 1 patients (510 films) referred to the Department of Orthodontics, School of Dentistry, Shiraz University of Medical Sciences, during 2002 to 2004 were evaluated. The control and CLASS II DIVISION 1 subjects were each divided into three groups according to age (8-9, 10-11 and 12-13 years), and were further divided into two subgroups according to gender. The radiographs were converted to computer-readable X and Y coordinate and data obtained from 29 linear and angular measurements in the cranial base, mandible and dentition, were compared. Results: The cranial base angle was significantly larger in CLASS II DIVISION 1 patients as compared to the control subjects. A smaller mandible along with a protrusive dentition was observed in the test group. The form and position of the mandible was also different in comparison to normal cases. All class II patients showed a vertical growth pattern and an increased facial height.Conclusion: The main factors responsible for CLASS II DIVISION 1 MALOCCLUSION in 8-13 year-old children in present study were retropositioning of the lower jaw and a short mandibular length.

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    APA: Copy

    SALEHI, P., & MOUMENI DANAEI, SH.. (2006). MANDIBULAR SIZE AND POSITION IN 8-13 YEAR OLD IRANIAN CHILDREN WITH CLASS II DIVISION 1 MALOCCLUSION. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 3(2), 92-99. SID. https://sid.ir/paper/297721/en

    Vancouver: Copy

    SALEHI P., MOUMENI DANAEI SH.. MANDIBULAR SIZE AND POSITION IN 8-13 YEAR OLD IRANIAN CHILDREN WITH CLASS II DIVISION 1 MALOCCLUSION. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2006;3(2):92-99. Available from: https://sid.ir/paper/297721/en

    IEEE: Copy

    P. SALEHI, and SH. MOUMENI DANAEI, “MANDIBULAR SIZE AND POSITION IN 8-13 YEAR OLD IRANIAN CHILDREN WITH CLASS II DIVISION 1 MALOCCLUSION,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 3, no. 2, pp. 92–99, 2006, [Online]. Available: https://sid.ir/paper/297721/en

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