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Osteotomy is planned in the middle palatal wall of the socket (Fig.3 pink). Once the smallest pilot drill penetrates the cortex of the palatal wall (Fig.4), the trajectory is changed while the depth of the osteotomy is increasing (Fig.5).
Red area: apical infection. The granulation tissue should be removed from there, but osteotomy should be placed as far as possible from there. The patient has also taken preop oral antibiotic.
in Wei, DDS, PhD, MS 1st edition 12/21/2014, last revision 12/21/2014