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Granted this is all we ever learned about the teeth (they didn't even tell us the normal number of teeth and their types), so maybe a dentist could weigh in on thisĮdit: This paper suggests no endodermal contribution in tooth formation It definitely contributes to the tongue and salivary glands, no idea on the teeth. The endoderm is involved in formation of the foregut, so it's possible that it contributes to the mesenchyme mentioned above. I'm not so sure about the endoderm, however, despite its differentiation into the majority of the GI tract. So there's two of the three germ layers represented. Mesenchymal cells are stem cells that derive from the mesoderm. (thus enamel is derived from oral ectoderm while dentine and cementum are derived from mesenchyme) ĭentine is the layer underneath the enamel, and cementum is the thin mineralized layer that contributes mainly to the root and serves to anchor it in the mouth. The teeth only originate from the ectodermįrom an old med school PowerPoint I had saved:Įnamel is produced by ameloblasts (specialized epithelial cells) of the enamel organ from the oral epithelium New to reddit? Click here! Get flair in /r/science Previous Science AMA's Repeat or flagrant offenders will be banned.Comments dismissing established findings and fields of science must provide evidence.Criticism of published work should assume basic competence of the researchers and reviewers.Non-professional personal anecdotes will be removed.and Anderson et al., where they defined dentition. (1944) This was further modified by Moorrees et al. Atlas method : Based on atlas containing standard age-matched orthopantomographic images, developed by Scour et al. No off-topic comments, memes, low-effort comments or jokes Mineralization of teeth is much less affected by nutritional or endocrine disorders than the skeletal system.
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