منابع مشابه
Evaluating the Effect of Dental Filling Material and Filling Depth on the Strength and Deformation of Filled Teeth
ackground and aim: It is important to evaluate the effect of the type of filling material on deformation and strength of tooth after filling and also the effect of filling depth on quality of restoration of a decayed tooth. Material and Methods: The Orthopantomogram (OPG) of the first and second molars of a 28-year-old man was made and the teeth were 3D modeled. The stress-deformation analysis ...
متن کاملUnearthed: The Other Side of Group Cohesiveness
One of the most consistently studied constructs in group dynamics research is Cohesiveness. It is a fact, that there is a tendency to see the effects of group cohesiveness as being largely positive. The periodic review of cohesiveness–performance relation had been positive. However, not much attention has been devoted to the fact that group cohesiveness can be detrimental to the group performan...
متن کاملWhat type of filling? Best practice in dental restorations.
Dental caries (tooth decay) is one of the most common diseases, with approximately 80% of the population in developed countries having experienced the condition. If decay has not been prevented cavities develop. To prevent considerable pain and tooth loss it may be necessary to remove the diseased tissues and restore the cavities (a filling). Restorations have a limited lifespan and, once a too...
متن کاملBeeswax as Dental Filling on a Neolithic Human Tooth
Evidence of prehistoric dentistry has been limited to a few cases, the most ancient dating back to the Neolithic. Here we report a 6500-year-old human mandible from Slovenia whose left canine crown bears the traces of a filling with beeswax. The use of different analytical techniques, including synchrotron radiation computed micro-tomography (micro-CT), Accelerator Mass Spectrometry (AMS) radio...
متن کاملEffect of Dental Amalgam Silver Filling on Salivary Amylase Enzyme
The largest source of mercury located in dental amalgam fillings people. In this study, mercury level in saliva of amalgam and non-amalgam human were compared as well as the level of α amylase has been detected. Materialsand methods: The concentration of mercury, silver, and activity of amylase in saliva were measured in 55 adult study subjects. The mercury contents were determined by cold–vapo...
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2012
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.2012.1003