12 天
Amazon S3 on MSNComplete Tooth Anatomy: Incisors, Cuspids, Bicuspids & Molars ExplainedEmphasizes the importance of maintaining healthy teeth for proper chewing, clear speech, and an attractive appearance. It explains the different types of teeth and their functions, the structure of a ...
Rodent incisors and molars are examples of rootless teeth, in which the root canal remains open and the tooth continues to grow indefinitely. Mice have four incisors, two maxillary (upper ...
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