Foil backing used in intraoral radiographic dental film: a source of environmental lead [0.03%]
口腔放射胶片背面的铅foil可能成为环境中的铅污染源
Leonard J S Tsuji,Bruce C Wainman,Ruwan K Jayasinghe et al.
Leonard J S Tsuji et al.
The lead content of the foil backing of 4 types of intraoral film commonly used by dentists was 69% to 85%. An environmental issue exists because these foils are typically thrown out with regular refuse, even though recycling programs exist...
Decreases in occupational exposure to ionizing radiation among Canadian dental workers [0.03%]
加拿大牙科工作者的职业电离辐射暴露减少趋势
Jan M Zielinski,Michael J Garner,Daniel Krewski et al.
Jan M Zielinski et al.
Objective: To describe doses of ionizing radiation and their possible associations with mortality rates and cancer incidence among Canadian dental workers. ...
Prevalence of caries among preschool-aged children in a northern Manitoba community [0.03%]
曼尼托巴北部一个社区学龄前儿童患龋病的流行率
Robert J Schroth,Pamela J Smith,Jeanne C Whalen et al.
Robert J Schroth et al.
Background: Early childhood caries (ECC) is a devastating form of dental decay affecting many Canadian children, especially those from northern First Nations communities. ECC is multifactorial in origin, and the notion th...
Normand Bach,Jean-François Baylard,René Voyer
Normand Bach
Human teeth erupt naturally to compensate for tooth wear and tear. When a subgingival lesion such as crown fracture occurs, the general practitioner must consider orthodontic extrusion of the tooth to allow for prosthetic rehabilitation. Ho...
Ajit Auluck,Keerthilatha M Pai,Kadengodlu Seetharam Bhat et al.
Ajit Auluck et al.
In patients with cyanotic congenital heart disease (CCHD), the need for antibiotic prophylaxis for infective endocarditis is well known among dentists, but not many dentists are aware of the associated hemorrhagic tendencies in such patient...
Case Reports
Journal (Canadian Dental Association). 2004 Dec;70(11):769-73. DOI: 2004
Mandibular third molar autotransplantation--literature review with clinical cases [0.03%]
下颌第三磨牙自体移植的临床病例与文献复习
Rui Amaral Mendes,Germano Rocha
Rui Amaral Mendes
Autotransplantation of mandibular third molars in a precocious phase of development is indicated when a substitute for adjacent compromised or missing molars is needed, and when mesial movements of the posterior teeth, the resultant loss of...
Estimated quantity of mercury in amalgam waste water residue released by dentists into the sewerage system in Ontario, Canada [0.03%]
加拿大安大略省牙医释放到下水道系统的充填废水中汞的估计含量
Albert O Adegbembo,Philip A Watson
Albert O Adegbembo
Aim: To estimate the quantity of dental amalgam that Ontario dentists release into waste water. Methods: Information from a self-admini...
Placing oral health on the health care agenda: lessons learned from the United States [0.03%]
口腔健康卫生议程定位问题：美国的经验教训
Dushanka V Kleinman
Dushanka V Kleinman
A symposium on Access and Care: Towards a National Oral Health Strategy was held May 13-15, 2004, in Toronto. The symposium's objectives were to develop key recommendations for a national oral health policy, and to identify knowledge, servi...
Influence of natural fruit juices in removing the smear layer from root surfaces--an in vitro study [0.03%]
天然果汁去除根面 smear层的体外实验研究
Fernanda Oliveira Bello Corrêa,José Eduardo Cezar Sampaio,Carlos Rossa Júnior et al.
Fernanda Oliveira Bello Corrêa et al.
Certain elements of a patient's diet may be associated with dentin hypersensitivity. The intent of this study was to evaluate the degree of removal of the smear layer from dentin surfaces by various fruit juices. A smear layer was created o...
Active nonsurgical decompression of large periapical lesions--3 case reports [0.03%]
大型根尖周病变的被动非手术开窗引流术：3例报告
Jose L Mejia,Jaime E Donado,Bettina Basrani
Jose L Mejia
This paper describes a new nonsurgical approach for treating large periapical lesions which involves using a modified vacuum system within the root canal space. This new technique produces a vacuum effect in the periapical zone, which facil...
Case Reports
Journal (Canadian Dental Association). 2004 Nov;70(10):691-4. DOI: 2004