Implant of Narrow Diameter with Opposing RPD
The crest is uneven, lower lingual (Fig.5), which deviates bone trimmer lingual (Fig.6 black area). The pink line is the long axis of the implant. Initial drills may deviate lingual because of the uneven crest (Fig.7 red line), while the bigger drills are most likely to bounce back buccal due to the encounter the denser lingual plate (Fig.8 blue line).
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No Deviation
Xin Wei,
DDS, PhD, MS 1st edition 06/22/2020, last revision
07/03/2020