A study on the available space of lower posterior arch and its clinic significance
- VernacularTitle:下牙弓后段可用间隙发育特征及其临床意义
- Author:
Jilin ZHAO
;
Yangxi CHEN
;
Yuehua LIU
- Publication Type:Journal Article
- Keywords:
Lower arch;
Available space;
Growth and development;
Orthopantomography
- From:
Journal of Practical Stomatology
2001;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
objective: To study the development of available space of lower posterior arch. Methods: The sample consisted of 188 randomly selected subjects aged from 11 to 18 years, 76 males and 112 females. The distance from the distal surface of mandibular first molar to the anterior border of the ramus was measured on orthopantomography. All the data were analyzed statistically. Results: 1) The distance(mm) in female and in male was 14.45?3.54 and 13.29?4.17 respectively( P