[Evaluation of direct digital radiography image quality in dentistry].
OBJECTIVE
To evaluate the quality of direct digital radiograph according to its application in dentistry.


METHODS
1195 patients with dental caries, periodontal diseases, periapical diseases, trauma of teeth or hypodontia were tested with Trophy elitys Radio Visio Graphy(RVG) and the quality of the tests was evaluated at four levels.


RESULTS
It was convenient to operate RVG and easy to save the images, which reduced the amount of X-rays. 1587 pictures were taken, among which 92.3% was at level I, 6.3% was at level II,1.14% was at level III and level IV.


CONCLUSIONS
The quality of the images at different positions is good, which can meet the requirement for clinical diagnosis. However, the radiography receptor should be improved for better images.
Wang
Feng-Qiong
FQ
Department of Dentistry, the Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou 545005, Guangxi Province, China. lzwangfq@163.com
Huang
Wen
W
Qin
Yan-Ling
YL
Qin
Xiao-Dan
XD
Jiang
Yi-Fang
YF
Tu
Xiao-Ning
XN
Chang
Xiao-Jie
XJ
D003731:Dental Caries / Q000000981:diagnostic imaging*; D006801:Humans; D011856:Radiographic Image Enhancement; D019252:Radiography, Dental, Digital