The definitive implant (3.8x13 mm) closes the apical space and obtains insertion torque >55 Ncm; a ball abutment with 2 mm cuff seems to be short for retention (Fig.6). A 4.5x4(5) mm cemented abutment (Fig.7,8) seems appropriate for retention after soft reline of the lower flipper (Fig.9-11).
Xin Wei, DDS, PhD, MS 1st edition 08/16/2018, last revision 08/16/2018