Evaluation of direct digital radiography image quality in dentistry

PURPOSE: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 levelⅡ,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.