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A 46-year-old lady is a dental phobic. She has had extraction ortho. The tooth #14 must have been nonfunctional for quite a while, as evidenced by distal shifting of the 2nd premolar (Fig.1 open arrow). The mesiodistal edentulous space is narrow.
The bone height is somewhat limited, since the sinus floor (^) is inferior to the palatal apex (P).
Xin Wei, DDS, PhD, MS 1st edition 01/02/2015, last revision 01/03/2015