نتایج جستجو برای: tooth decay
تعداد نتایج: 161997 فیلتر نتایج به سال:
Objectives: A descriptive study of exploratory character with the objective to determine the representation of a healthy tooth and an unhealthy tooth, associated with the concept of dental decay. Methods: Children of both genders (880), distributed in six age groups of low socio-economic level, some already having prior contact with the dentist and others not. Three instruments were used: a soc...
The prevention of tooth decay and the treatment of lesions and cavities are ongoing challenges in dentistry. In recent years, biomimetic approaches have been used to develop nanomaterials for inclusion in a variety of oral health-care products. Examples include liquids and pastes that contain nano-apatites for biofilm management at the tooth surface, and products that contain nanomaterials for ...
The salivary fluid is produced by the major glands like parotid, submandibular and sublingual along with minor present in oral cavity. Almost 0.5 to 1.5 liters of secretion occurs 24 hours. gland under autonomic control but various other factors influence rate quality secretions. mechanism saliva involves a number pumps carrier proteins acinar ductal region that forms primary secretions which u...
The tooth enamel presents a Raman spectrum with strong polarization anisotropy. Carious lesions of the enamel will produce an alteration of local symmetry. This will reduce the anisotropy of the Raman spectra. Thus micro-Raman polarized spectroscopy could be a used in early detection of teeth caries.
background and aims. the purpose of this study was to evaluate initial force and force decay of commercially available elastomeric ligatures and elastomeric separators in active tieback state in a simulated oral environment. materials and methods. a total of 288 elastomeric ligatures and elastomeric separators from three manufacturers (dentaurum, rmo, 3m unitek) were stretched to 100% and 150% ...
Several studies have shown that a significant number of parents whose children have baby bottle tooth decay (BBTD) admit prior knowledge regarding the harmful effects of putting their children to bed with a bottle. The Elaboration Likelihood Model of Persuasion (ELM) offers a theoretical framework for better understanding why knowledge and attitude are often not predictive of behavior. The goal...
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