TY - GEN AU - Ivanov,V S AU - Barannikova,I A TI - [Use of indices for assessing the state of the parodontium] SN - 0039-1735 PY - 1978///0814 KW - Gingivitis KW - diagnosis KW - Humans KW - Mathematics KW - Oral Hygiene Index KW - Periodontal Diseases KW - Periodontal Index KW - Periodontium KW - pathology KW - Tooth Abrasion N1 - Publication Type: Comparative Study; Journal Article; Review ER -