Masseter Thickness Measured by Ultrasonography of 50 Young Healthy Adults in Relation to Facial Morphology
- VernacularTitle:50例正常青年人咬肌厚度及其与面型关系的B型超声测量分析
- Author:
Ji-Zhi ZHAO
1
;
Qing DAI
;
Qin-Sheng LAI
Author Information
1. PUMC Hospital CAMS and PUMC
- From:
Acta Academiae Medicinae Sinicae
2001;23(1):60-62
- CountryChina
- Language:Chinese
-
Abstract:
Objective To quantify the normal range of the ultrasonically measured thickness of the masseter which is related to the variation of the facial morphology in different young individuals. Methods The masseter thickness of 50 young healthy adults (25 men and 25 women) was measured bilaterally under relaxed conditions and with maximal clenching by a real-time ultrasound imaging technique. The relation between masseter thickness and facial morphology was also observed. Results Under relaxed conditions, the mean thickness of the muscle in men was (11.83±1.19)mm, and under contracted conditions, (15.51 ±1.40)mm. In women, the respective measurements were(9. 84 ± 1. 03)mm and(13.02 ± 1.10)mm. In men thethickness of masseter had a negative linear correlation to the indices of FH/FWa (the ratio of the anteriorfacial height to the intergonial width) and FWz/FWa (the ratio of the bizygomatic facial width to the intergonial width). Conclusions The mean thickness of the masseter in men was larger than that in women,and the thickness of the mascle was related to the male facial morphology.
