DADH Questions

[minfa2]

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Hi
In the Dental Deck its given:

In a working side movt, the mesiobuccal cusp of maxillary first molar passes thru the lingual groove of mandi 1st molar

In a working side movt, the mesiobuccal cusp of maxi 2nd molar passes thru the facial groove of mandi 2nd molar

cud anyone plz explain this.

 

[minfa2]

Cud any one plz answer ...its urgent....plzzzzzzzz

 

[indian bds]

Hi
In the Dental Deck its given:

In a working side movt, the mesiobuccal cusp of maxillary first molar passes thru the lingual groove of mandi 1st molar

In a working side movt, the mesiobuccal cusp of maxi 2nd molar passes thru the facial groove of mandi 2nd molar

cud anyone plz explain this.

hi actually u read this from decs..as far as i know its written wrong!
they both pass through facial groove ..try to do this in ur mouth ..
well if im wrong plz do correct me!