ir.lib.kmu.edu.twir.lib.kmu.edu.tw/retrieve/22373/mas01-92.pdf7. crown lengthening procedure A. Can...
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ir.lib.kmu.edu.twir.lib.kmu.edu.tw/retrieve/22373/mas01-92.pdf7. crown lengthening procedure A. Can be accomplished by apically displaced flap with bone contouring B. At least 2 mm