In dentistry, a crown is a cap or covering fitted over part of a tooth that’s damaged from: breakage tooth decay a root canal a large filling Dentists may also use a crown to improve the appearance of ...
Nearly 80 years ago, Butler 3,7 described the morphogenetic gradient in mammalian postcanine teeth. From anterior to posterior, the deciduous premolars and molars increase in size, and in some species ...
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