What type of cavity would involve the occlusal surfaces of posterior teeth according to Black's Classification?

The correct classification for cavities involving the occlusal surfaces of posterior teeth is Class I. According to Black's Classification, Class I cavities are located in pits and fissures, which include the occlusal surfaces of molars and premolars, as well as the buccal or lingual pits on the posterior teeth and the lingual pits on anterior teeth.

Class II cavities refer to those that occur on the proximal surfaces of posterior teeth, specifically when the decay extends beyond the occlusal surface. Class III cavities involve the proximal surfaces of anterior teeth but do not include the incisal edge. Class IV cavities are similar to Class III but also include the incisal edge of anterior teeth.

Understanding Black's Classification is crucial for dental professionals as it helps in determining the appropriate treatment approach based on the location and type of decay.