Methods X-ray dental film and panoramic pantomogram were used to determine the location of embedded supernumerary teeth on bases of the geometrical principle of X-ray photography. 方法通过拍摄X线牙片及全景片,结合临床检查,利用X射线照相中的几何学原理确定多生牙的位置,以确定手术入路,然后拔除。
Clinical Practicality of Oral Positioner for Parallel Projection of Digital Dental Film 数字化根尖片平行投照定位器临床实用性探讨
Picture archiving and communication system-based digital dental film 基于图像存档与传输系统的牙片数字化研究
Results: Aphthae compound film of acaciae catechu and indigo naturalis has a good effect on treating rats dental ulcer. Identification and Determination of Sanguis Dracons in Canker Sore Film 结果:儿茶、青黛口腔溃疡膜对实验性大鼠口腔溃疡疗效显著。口腔溃疡膜中血竭的鉴别和含量测定
A dental X-ray film that can be held in place by the teeth during radiography. x光照相时可以放在牙齿上的齿形x光片。
Objective To investigate how to digitize dental film during the construction of picture archiving and communication system ( PACS) for the stomatological hospital. 目的探讨口腔专科医院图像存档与传输系统(PACS)建设中的牙片数字化。
Enhancement Method of Root Canal Image in Dental Film Based on Ridgelet Transform 利用脊波变换对牙片中根管图像的增强方法
Methods3DX was used to observe disease area of oral hard tissue tridimensionally in case the disease could not be definitely diagnosed by dental film. 方法应用3DX影像诊断技术,对采用口内法X线牙片不明确诊断的口腔硬组织病变进行三维立体观察,以确定病变部位。
Based on the new technology, We designed the intelligent automatic dental X ray film processon. 并在此基础上研制了智能型牙科X光胶片自动冲洗机。
These results demonstrate that coating the surface of dental materials with a diamond film meets the requirements of biocompatibility, anticorrosion and adhesion strength. 表明非晶金刚石膜作为生物材料,其生物安全性、耐腐蚀性及镀膜结合强度达到口腔医用材料的要求。
Results: For the RVG X-ray system the projecting angle was increased, especially for mandibular former teeth, comparing with conventional dental film. 统计确定每个牙位数字化牙片正确的投照角度和投照剂量。结果:与传统牙片比较,数字化牙片投照角度增加,其中以上颌后牙和下颌前牙角度增加较为明显。
Development of the Automatic Dental X-Ray Film Processor 智能型牙科X光胶片自动冲洗机的研制
METHODS: The modelling figure of the traditional dental film was changed to digital images by using digital camera. 方法:使用数码相机将传统X线牙片的模拟图象转换为数字图象;
Assessment on The Density of Root Canal Obturation in Dental Film 根尖片对根充密度的评价
Objective To investigate the accuracy of dental film on the density of root canal fillings. 目的探讨根尖片评价根管充填密度的准确性。
AIM: To discuss the methods of the digitalization management for a long-term conservation and fast diplay of the traditional dental film beside the dental chairs. 目的:探讨传统口腔X线牙片长期保存和椅旁迅速调用的数字化管理方法。