mistakes in decks 2006-2007, plus a question

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dentwannabe

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Where are the corrections for the 06-07 decks? does anyone have it. on the decks website they have the 2009 edition corrections.

In the meantime, can someone tell me what should be the answer here? i think decks is wrong. in dental anatomy:

During a working side movement of the mandible, the oblique ridge of a maxillary first molar passes through which sulcus of a permanent mandibular first molar?
mesionbuccal sulcus
distobuccal sulcus
mesiolingual sulcus
distolingual sulcus

The answer given in decks is:
"Distobuccal sulcus
Remember:
1. in the intercuspal position th emesiobuccal triangular ridge of the max 1st molar opposes the mesiobuccal groove of the mandib first molar.

2. in a working side movement, the MB cusp of the max 1st molar passes through the lingual groove of the mandib 1st molar

3. in a working side movement, the MB cusp of the MAX 2ND MOLAR passes through the facial groove of the mandib 2nd molar."

I don't get why distobuccal sulcus it the answer and I don't get number 3.
 
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