Sound Trasnverse Ridge

Started by Prosthoman
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Prosthoman

Prosthoman

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in the SRTA guidline it says in class II amalgam prep, Sound transverse ridge should not be crossed and cut. for my exam I decided to do mandibular second premolar. and from what I know the only tooth that has Transverse ridge that crosses the central dev groove is the mandibular first premolar.

so for my DO prep can I cross the ridge? like a traditional DO amalgam prep or I have to start my prep after the ridge?beside I am not doing mandibular first premolar I am doing mand second premolar.
any help will be helpfull
thank
 
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