نتایج جستجو برای: activated virgin bleaching earth avbe
تعداد نتایج: 327428 فیلتر نتایج به سال:
BACKGROUND Mating decreases female receptivity and terminates sex pheromone production in moths. Although significant progress has been made in elucidating the mating-regulated inactivation of pheromone biosynthesis-activating neuropeptide (PBAN) secretion, little is known about the mating induced gene expression profiles in pheromone glands (PGs). In this study, the associated genes involved i...
BACKGROUND This study aimed to evaluate changes in the enamel surface of bovine teeth after whitening with exogenous bleaching agents: 10% carbamide peroxide (group 1), 16% carbamide peroxide (group 2) and 35% hydrogen peroxide activated by a light-emitting diode (LED) (group 3). The evaluations were performed by scanning electron microscopy (SEM). MATERIAL AND METHODS Ninety bovine teeth wer...
OBJECTIVES To review current knowledge of tooth whitening with respect to external bleaching methods. DATA The scope is the external bleaching of vital teeth and focuses on mechanisms; in vivo and in vitro measurement methods, and factors influencing the efficacy of the whitening process. SOURCES "Medline" and "ISI Web of Science" databases from 1966 and 1974, respectively were searched ele...
Imitation of smile aesthetics and analysis, is an initial step for dental bleaching, hence it significant that the dentist/dental hygienist identifies how to analyze root causes color change specify whitening before suggesting suitable procedure. With high-tech advancement, bleaching techniques have arose assist its use provide comfort, safety reduction in time, performance technique. The conse...
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