Angle Classification

Question 1

class I

Answer 1

buccal groove of mandibular first molar aligns with mesiobuccal cusp for the maxillary first molar

Question 2

class II

Answer 2

buccal groove of the mandibular first molar is POSTERIOR to the mesio-buccal cusp of the maxillary first molar

Question 3

class III

Answer 3

buccal groove of the mandibular first molar is ANTERIOR to (mesially positioned) the mesio-buccal cusp of the maxillary first molar