Overgrowth of cementum found in non functioning tooth?
Increased in physiologic function as seen in abutment teeth?
Causes of cementum hyperplasia? (3)
- Impacted tooth
- Natural or orthodontically induced movements
Part of periodontal ligament which is a remnant of HERS?
Epithelial rests of Malassez
Localized cemental thickening on the root surface?
Another term for enamel pearl?
Mimics subgingival calcular deposits?
Sidenote: Enamel pearls may be composed of:
- Enamel only
- Enamel and dentin
- Enamel, dentin and pulp
True or false. When there is calculus, no PDL is attached to enamel.
Enamel drips at the center of bifurcations or trifurcations?
May lead to pockets in furcations?
True or false. Enamel pearls and projections can be removed through scaling?
Cementicles are made up of what type of cementum?
Acellular extrinsic fiber
May be free, attached or embedded
True or false. Both bone and cementum has no nerve supply.
Union of cementum and dentin with the alveolar bone?
True or false. Cementum is avascular?
True or false. Alveolar bone is avascular.
Resorption of cementum can be due to? (4)
Exfoliation of deciduous teeth Tooth drifting Traumatic occlusion Excessive orthodontic forces