[Assessment of occlusal vertical dimension using angles: a pilot study].
OBJECTIVE
This study aims to identify highly accurate quantitative methods for evaluating the occlusal vertical dimension by using cephalometric radiographs to analyze the craniofacial hard tissue landmarks in 30 cases with normal occlusions.


METHODS
A total of 30 subjects with normal occlusions and aged between 20 and 30 years old were included in the study. Cephalometric radiographs were obtained and analyzed using the Winceph 8.0 measurement software. Landmark points were identified and measured.


RESULTS
The mean distribution difference of the center angle (CA) and lower angle (LA) of the face was not statistically significant (t = -1.490, P = 0.147). The CA and LA had a significantly linear correlation (r = 0.976, P = 0.000), and the regression equation was y = 0.298 + 0.997x.


CONCLUSIONS
The CA can be used to assess and quantify the occlusal vertical dimension in clinical practice.
Dept. of Stomatology, The 421 Hospital of Chinese PLA, Guangzhou 510318, China.
Niangou
N
Zhou
Dept. of Prosthodontics, Stomatological Hospital Affiliated to Nanchang University, Nanchang 330006, China.
Liwei
L
Zeng
Dept. of Prosthodontics, Stomatological Hospital Affiliated to Nanchang University, Nanchang 330006, China.
Jilan
J
Jiao
Dept. of Prosthodontics, Stomatological Hospital Affiliated to Nanchang University, Nanchang 330006, China.
Lu
L
Deng
Dept. of Prosthodontics, Stomatological Hospital Affiliated to Nanchang University, Nanchang 330006, China.
Ping
P
Chen
D000328:Adult; D002508:Cephalometry; D005145:Face; D005260:Female; D006801:Humans; D008297:Male; D010865:Pilot Projects; D014716:Vertical Dimension; D055815:Young Adult