TY - GENERIC DO - 10.20944/preprints202101.0364.v1 UR - http://dx.doi.org/10.20944/preprints202101.0364.v1 TI - The Localization Subgingival Margins of Cavity: A New Classification T2 - Preprints AU - Bulbuk, Oleksandr AU - Bulbuk, Olena AU - ROZHKO, Mykola PY - 2021 DA - 2021/01/19 PB - Preprints