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A 54-year-old man has pain at #30 (Fig.1). With severe loss of bone, the tooth is non-salvageable. Section FPD between #28 and 29 before extraction of #30. Because of limited bone, 4.5x7.3 mm and 5x7.3 mm implants appear to be appropriate at #29 (Fig.2) and 30. Due to low bone density at #29, under drilling is required.
Xin Wei, DDS, PhD, MS 1st edition 06/07/2018, last revision 06/08/2018