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While the guided implant at #19 is osteointegrating, porcelain chips in the mesial marginal ridge of the retainer at #30 (Fig.2 *), causing food impaction between #29 and 30. The units #30 and 31 are removed. Impression is taken for guide at #31 (Fig.1). A temporary crown is fabricated for #30. Since there is sufficient bone, a 5x11.5 mm implant will be placed (Fig.1). If mouth opening is limited, a 10 mm long will be used.
Xin Wei, DDS, PhD, MS 1st edition 11/17/2018, last revision 11/18/2018