Need A Help

[gag]

Hi guys!…I have these two queries . I hope someone can help me in solving these. ………
1.In a left lateral, non working side mandibular movement, what is the direction of arrow[the pathway of maxillary cusps on mandibular posterior teeth]

2.How an abnormal swallowing may produce an anterior open bite?......

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[crazy_sherm]

You might get a better answer posting in the the Dental forum. Most of us are not in dental school yet.