Oral Anatomy Lecture: Occlusion: CONCEPT OF 138 POINTS OF OCCLUSAL CONTACT

6

Lingual surfaces of maxillary incisors and canines

6

Labial surface of mandibular incisors and canines

16

Triangular ridges of maxillary buccal cusps of premolars and molars

16

Triangular ridges of lingual cusps of mandibular premolars and molars

8

Buccal embrasure of mandibular premolars and molars

10

Lingual embrasures of maxillary premolars and molars (including the canine and first premolar embrasure accommodating the mandibular premolar)

16

Lingual cusp points of maxillary premolars and molars

8

Distal fossae of premolars

12

Central fossae of the molars

6

Mesial fossae of the mandibular molars

6

Distal fossae of the maxillary molars

6

Lingual grooves of the maxillary molars

6*

Buccal grooves of the mandibular molars

16

Buccal cusp points of mandibular premolars and molars