Researchers at the Medical University of Vienna in Austria and Harvard University in the USA have identified and characterised all cell populations in mouse teeth and in the young growing and adult human teeth. Now they are able to decipher the differentiation pathways of odontoblasts, which give rise to dentine - the hard tissue closest to the pulp - and ameloblasts, which give rise to the enamel. Researchers have also discovered new cell types and cell layers in teeth which can be further studied in tooth sensitivity. These new explorations expedite the fast expanding field of regenerative dentistry!
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