The cortical bone thickness analysis of different arch form in adult palatal micro-screw anchorage point with cone-beam computed tomography

doi:10.3969/j.issn.1006-7795.2015.03.027

Abstract

Abstract:

Objective To investigate palatal bone factors associated with different arch form in adult patients. Methods A cone beam computed tomography was obtained from 120 patients, age for 18 to 40 year old. Based on arch forms, the patient's tomography were equally divided into three basic categories: square, tapered, and ovoid, each consisting 40 patients which consist of equal gender. Cortical bone thicknesses of different implant sites in palatal bone were measured. Results There is no statistically difference between different gender. There is no statistically difference of the cortical bone thickness between the midpalatal and 3 mm from the midpalatal. Both of the midpalatal and parapalatal cortical bone thickness is decrease progressively form the foramen. The sequence of the alveolar cortical bone thickness is 56, 45, 67.There are statistically difference between different arch form. Conclusion It is important for orthodontist to consider the cortical bone thickness in different type of arch form and palatal implant sites which will influence the stability of the microscrews.

Key words: Mini-screw anchorage, implant site, arch form, cone beam computed tomography

CLC Number:

R783.5

Duan Shaoyu, Zhang Dongliang, Yang Lian, Bao Shuangling. The cortical bone thickness analysis of different arch form in adult palatal micro-screw anchorage point with cone-beam computed tomography[J]. Journal of Capital Medical University, 2015, 36(3): 473-477.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2015.03.027

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2015/V36/I3/473

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