- Joined
- Apr 2, 2007
- Messages
- 31
- Reaction score
- 0
lingual cusp of maxillary 1st premolar contacts...distal marginal ridge or distal triangular fossa.Similarly lingual cusp of maxillary 2nd premolar contacts distal marginal ridge or distal triangular fossa.Kaplan says its marginal ridge..n in one of the asda qustion it says fossa..am so confused.can anyone help me with this n also plz mention the refrence.thanks in advance
