Black's classification of cavities

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[G. V. Black (1836–1915), American dentist] A classification based on the tooth type and the cavity location or tooth surfaces involved.

Black's classification of cavities

Class I

Cavities located in pits or fissures. These are located in the occlusal surfaces of molars and premolars, the occlusal two-thirds of the buccal surfaces of molars, the lingual surfaces of upper incisors, and occasionally in the lingual surfaces of upper molars.

Class II

Cavities located in the proximal surfaces of molars and premolars.

Class III

Cavities in the proximal surfaces of canines, and incisors not involving the incisal angles.

Class IV

Cavities in the proximal surfaces of incisors or canines which also involve one or both of the incisal angles.

Class V

Cavities located in the gingival third of the labial, buccal, lingual, or palatal surfaces of any tooth.

Subjects: Dentistry.

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