Deciduous teeth in which bone has fused to cementum and dentin, preventing exfoliation of the deciduous tooth and eruption of the underlying permanent tooth, are:

Question

Quizplus · Accepted Answer

Ankylosis is the fusion of tooth root cementum and alveolar bone, which prevents the normal exfoliation process of deciduous teeth and eruption of permanent successors. Therefore, ankylosed deciduous teeth can lead to retention and impaction of permanent teeth.

Deciduous Teeth in Which Bone Has Fused to Cementum and Dentin