Gemination occurs most frequently in the permanent dentition.It is the splitting of the tooth into two crowns and separate roots.

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Gemination,an anomaly that arises when a tooth attempts to divide itself by splitting its tooth germ,occurs most often in the permanent dentition.While gemination can result in formation of two crowns and separate roots,the second statement is incorrect because numerous variations can occur.For example,a tooth split into two crowns with one root would be termed a bifid tooth or bifurcated crown.The type of gemination described in the question is called twinning.

Gemination Occurs Most Frequently in the Permanent Dentition