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Tooth fusion occurs when at least the dentin of developing tooth germs fuse. When only the cementum (root portion) of teeth is fused, this is known as concrescence. [4] The exact cause of tooth fusion is unknown, but is the result of alterations in embryonic tooth development.
Concrescence is an uncommon developmental condition of teeth where the cementum overlying the roots of at least two teeth fuse together without the involvement of dentin. [1] [2] Usually, two teeth are involved with the upper second and third molars being most commonly fused together. [3]
Tooth ankylosis refers to a fusion between a tooth and underlying bony support tissues. In some species, this is a normal process that occurs during the formation or maintenance of the dentition. [1] By contrast, in humans tooth ankylosis is pathological, whereby a fusion between alveolar bone and the cementum of a tooth occurs.
RELATED: 5 Effects of Not Brushing Your Teeth If collected and properly stored, baby teeth could be used to potentially treat and cure a life-threatening illness a child or a close family member ...
The fusion of two deciduous teeth. Gemination occurs when a developing tooth incompletely splits into the formation of two teeth. Fusion is the union of two adjacent teeth during development. Concrescence is the fusion of two separate teeth only in their cementum.
Double teeth are more common in primary teeth with a prevalence of 0.5 - 0.7%, but can occur in permanent teeth. [1] Unlike tooth fusion, tooth gemination is more common in the maxillary incisors and canines. [3] [4] [5] Like tooth gemination, tooth fusion is more common in the anterior teeth (incisors and canines). Double teeth affect both ...
The child's supervising adults may need reassurance that it is only an extrinsic stain on a child's newly erupted teeth. [ 29 ] Patients with osteopetrosis display enamel abnormalities, suggesting that the a3 gene mutation found in V-ATPases also plays a role in the development of hypomineralized and hypoplastic enamel.
U.S. Surgeon General Dr. Vivek Murthy warned in a recent advisory about alcohol use increasing cancer risk. The advisory notes that alcohol can increase the risk of throat, liver, esophageal ...
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