Epidemiological Study of Periodontal Disease in Students in Junior High School Using CPITN (WHO). Effect of Oral Hygiene Instruction for 5 Years.
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ژورنال
عنوان ژورنال: Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology)
سال: 1993
ISSN: 0385-0110,1880-408X
DOI: 10.2329/perio.35.698