نتایج جستجو برای: tooth decay
تعداد نتایج: 161997 فیلتر نتایج به سال:
ental decay, or dental caries as it is more properly called, is a disease which, as su r^?ne ̂ ows, produces holes or cavities in the teeth. These occur where the tooth ch ^CeS are Protected from the normal cleansing action of the tongue, the lips and the s 0r where the softer tissues of the root (Plate XXII) are exposed by recession of the increasing age. There are three main sites: in the natu...
BACKGROUND The objective of this study was to determine the prevalence and severity of general tooth wear (GTW), i.e. tooth wear irrespective of etiology and erosive tooth wear (ETW), i.e. tooth wear predominantly due to erosion; and also to investigate the relationship between ETW and dental caries experience in 16-year-old adolescents in Kuantan, Malaysia. METHODS A multi-staged cluster sam...
Introduction: Tooth decay is the most prevalent human disease after common cold. Although, fluoride in drinking water and daily meals can prevent teeth decay, its over consumption may cause fluorosis. This research was designed to study fluorosis prevalence rate in Bandar Abbas pupils, Iran. Methods: In this cross-sectional study, 867 pupils were randomly selected using a multi-stage sampling...
One of the surprises waiting for someone who decides to review the literature on the issue of water fluoridation is the discovery that, despite the impression conveyed by the promoters, the evidence that swallowing fluoride actually reduces tooth decay is very weak. In this bulletin we will begin to review the evidence that the benefits of swallowing have been wildly exaggerated and no grade A ...
Streptococcus mutans is a Gram-positive, non-motile, non-spore forming, catalasenegative, facultative anaerobic cocci bacterium commonly found in the human oral cavity, is a significant contributor to tooth decay (David et al., 2011). The mutans streptococci comprise a group of seven species, of which Streptococcus mutans and Streptococcus sobrinus are the predominant species isolated from huma...
Research in dental caries generates data with two levels of hierarchy: that of a tooth overall and that of the different surfaces of the tooth. The outcomes often exhibit spatial referencing among neighboring teeth and surfaces, i.e., the disease status of a tooth or surface might be influenced by the status of a set of proximal teeth/surfaces. Assessments of dental caries (tooth decay) at the ...
Contrary to a popularly-held view, dental decay is not a dietary disease, but one which is basically of microbial origin. Dietary carbohydrates, mainly monoand disaccharides, are absorbed into dental plaque and broken down to organic acids by the micro-organisms present in dense concentrations. The acids produced cause the equilibrium between remineralization and demineralization to shift in fa...
Introduction: Tooth enamel is a tissue that undergoes high mineralization process but susceptible to acidic foods and drinks. Calcium phosphate are the main components of tooth enamel. Isotonic drinks soft people like because they can replace body fluids when dehydrated, these in acid content, which accelerates decay. Material methods. Laboratory experimental study (in vitro), sample 16 maxilla...
Dental anomalies are rare findings that may affect development of occlusion and early intervention may be required. Here, a case of multiple anomalies in primary and permanent dentitions is reported. The patient referred to the dental center with the chief complaint of multiple tooth decay. In the oral examination, the rare case of triplication between the right geminated man-dibular A and...
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