Margin
Photos in Fig.1-3 are taken when the margin of #29 Zirlife crown is trimmed
(Fig.1 buccal, Fig.2 lingual, Fig.3 mesial view). That of Fig.4 is taken
after the margin of #30 crown is trimmed (lingual view).
Attention:
- The margin of the lower posterior teeth does not need to be subgingival.
Supragingival margin prevents cement retention
- If prep margin is not clear, please send model to me for margin marking
- Please check my website for margin of prep if indicated; 2 cases lately
- Please ask a second senior technician to check margin marking on model.
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Technician
Xin Wei, DDS, PhD, MS 1st edition 01/18/2015, last revision
01/18/2015
