Oral Biology Research

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Fig. 4. Clinical photograph. (A) One year after root canal therapy (just before flap elevation), (B) after flap elevation, (C) after root resection of distobuccal root, (D) remained calculus at the resected root inner surface.
Oral Biol Res 2021;45:41~48 https://doi.org/10.21851/obr.45.01.202103.41
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