Fig. 4. Radiation photograph showing marginal bone level. Negative number was recorded at the bone level in the upper part of the implant shoulder (A), and the positive number at the lower part (B). “a” and “b” indicates the mesial, distal marginal bone loss, respectively.

J Dent Rehabil Appl Sci 2023;39:32-44 https://doi.org/10.14368/jdras.2023.39.1.32

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