نتایج جستجو برای: tooth surface
تعداد نتایج: 717080 فیلتر نتایج به سال:
Talon cusp occurs as a result of disturbances during the morpho-differentiation stage of tooth development. It is more common on the palatal surface of the permanent maxillary incisors. It can be unilateral/bilateral, but can also occur on the same tooth. Only 2 published reports exist documenting talons on both labial and lingual surfaces of the same tooth in permanent incisors. The purpose of...
background and aims. a carious lesion is the accumulation of numerous episodes of de- and remineralization, rather than a unidirectional demineralization process. tooth destruction can be arrested or reversed by the frequent delivery of fluoride or calcium/phosphorous ions to the tooth surface. the present study compared and evaluated the remineralization potential of sodium fluoride and bioact...
PURPOSE The accuracy of a gypsum model (GM), which was taken using a conventional silicone impression technique, was compared with that of a polyurethane model (PM), which was taken using an iTero™ digital impression system. MATERIALS AND METHODS The maxillary first molar artificial tooth was selected as the reference tooth. The GMs were fabricated through a silicone impression of a reference...
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