نتایج جستجو برای: discoloration
تعداد نتایج: 3010 فیلتر نتایج به سال:
Objective. Determination of the effect of dentin bonding agent (DBA) on the prevention of tooth discoloration produced by mineral trioxide aggregate (MTA). Methods. 50 teeth were endodontically treated and after removal of 3 mm of obturating materials were divided into five groups. In white MTA (WMTA) and grey MTA (GMTA) groups, these materials were placed in root canal below the orifice. In DB...
OBJECTIVE To assess if tooth discoloration is a novel side effect of sulfonylurea therapy in patients with permanent neonatal diabetes due to mutations in KCNJ11. RESEARCH DESIGN AND METHODS A total of 67 patients with a known KCNJ11 mutation who had been successfully transferred from insulin injections onto oral sulfonylureas were contacted and asked about the development of tooth discoloratio...
Erythema ab igne is a pigmented reticular skin lesion with telangiectasias caused by prolonged exposure to heat. In this report an 11-year-old adolescent boy with erythema ab igne induced by a laptop computer was discussed.
considerations and assumptions Scientifically, the following questions have not been accurately answered yet: 1. What determines tooth color, its shades and hues and its variations even in the same person? 2. Does tooth color result from the distribution of a pigment at variable concentrations in tooth structure? 3. Is color a consequence of the level of mineralization of tooth tissues, their t...
Fuji apples may develop the physiological disorders core flush or flesh browning during cold storage in air (RA) or controlled atmosphere (CA) (Argenta et al., 2000). Core flush is a symptom of senescence characterized by yellow-brown discoloration in the core (Wilkinson and Fidler, 1973). In Fuji apples, flesh browning (Photo 1) resembles senescent breakdown because the diffuse, light brown di...
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