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mohamed refaay · (This post was last modified: 02-10-2010 12:02 AM by mohamed refaay.)

[Image: images-1_thumb%5B2%5D.jpg?imgmax=800]

The mouth can be divided into sections:
• Arches (there are 2 arches present)- an arch will divide the mouth into top and
bottom
• Quadrants (there are 4 quadrants present)- a quadrant divides an arch into right
and left
These divisions refer to both the primary and permanent dentitions.
Maxillary Arch
• This is the top arch or jaw.
• The maxillary arch contains 16 permanent teeth.
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