Study on tongue positions of open bite patients
- VernacularTitle:开患者舌位置变化研究
- Author:
Jun CAO
;
Yinzhong DUAN
;
Zhu LIN
;
- Publication Type:Journal Article
- Keywords:
open bite;
tongue position;
etiology;
cephalometry
- From:Journal of Third Military Medical University
2002;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore whether there is any abnormality in the tongue position of the open bite. Methods Tongue position was defined as the relative position of its body in the oral proper cavity on profile cephalometric roentgenogram which was enhanced by the iodine oil applied to the tongue surface. The tongue position was compared between open bite group and normal bite group with student's t test to determine the variation of open bite. Results Compared to the normal bite group, the root of tongue was closer to the uvula in the open bite group, and the distance between the dorsum of tongue and the surface of palate was decreased as well as the tip of tongue was nearer to the incisors. Conclusion The open bite's tongue position is characterized by more upward and more forward and this position may be one of the causes of open bite.
