Which of the following classification of caries is based on the healing capacity of enamel and dentin?
Correct Answer: Mount and Hume
Description: It defines the site, extent and complexity of a cavity and stresses on conservative approach. Denoted by 2 numbers, first for site and second for extent. Determines the healing capacity of enamel. It is the basis of minimal intervention dentistry.
Site 1 pits and fissures on posterior occlusal surfaces or smooth surfaces.
Site 2 contact areas
Site 3 cervical third of crown after recession and root surface
Size 1 minimal dentinal involvement just beyond treatment by remineralization alone
Size 2 moderate involvement of dentin following cavity preparation but enamel is sound and well supported.
Size 3 large cavity with weakened structure, may fail under load. Restoration designed to support tooth
Size 4 extensive caries with bulk loss of tooth structure.
TB of Operative Dentistry by Vimal Sikri 1 st ed., 130
Category:
Dental
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