Fig. 11.

Hypoplastic defect attributed to local trauma in the buccal enamel of the anterior lobe of a sheep right M₁. (A) Macroscopic appearance of the defect (arrow) located in cervical enamel. The defect is associated with an abnormal shape of the lower crown portion and the root. (B) Section showing disruption of enamel layer (E), filling of the enamel defect with cementum (asterisk) and area with irregular dentin (+). D, normal dentin. BSE image. (C) Higher magnification of the defect areas in enamel (E) and dentin (D). Asterisk: cementum; +, irregularly structured reparative dentin exhibiting numerous cavities. BSE image. Cuspal direction to top of images.