Morphological classification of mandible posterior region based on cone beam CT images
10.3760/cma.j.issn.1002-0098.2018.07.003
- VernacularTitle: 基于锥形束CT影像的下颌后牙区颌骨形态分类研究
- Author:
Xiaodong ZHUANG
1
;
Wenxia CHEN
1
;
Chuanqing MAO
1
;
Qingjiang XU
1
;
Weihui CHEN
1
Author Information
1. Department of Stomatology, Fujian Medical University Union Hospital, Fuzhou 350001, China
- Publication Type:Journal Article
- Keywords:
Mandible;
Cone beam computed tomography;
Three-dimensional analysis
- From:
Chinese Journal of Stomatology
2018;53(7):443-447
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To classify the morphology of mandible posterior region and provide reference for the planning of dental implantation.
Methods:Cone beam CT data of 208 patients were collected. The CT data were imported into CS 3D imaging V3 software and then the morphology of mandible posterior region were analyzed. The types of premolar and molar mandible cross-section morphology were recorded, classified and analyzed.
Results:The results showed that type A (vertical type) (79%-96%) was the most common in the premolars, whereas type B (inclined type) (36%-37%) and type C (lingual inverted concave) (30%-54%) were the most common types in the molars, followed type D (absorption severe type) (2%-5%). There was a statistically significant differences in tooth positions (P<0.001), tooth deficiency aspect (P<0.001) and different side (P=0.013), different age (P<0.001), and different gender (P=0.007).
Conclusions:Using cone beam CT to determine the morphology of mandible may be a reference for the planning of dental implantation.
