Schneider H G, Graehn G, Schirmer I
Stomatol DDR. 1979;29(10):757-61.
The general educational level and the dental health knowledge are negatively correlated with the DMF index and its M component. They are positively correlated with the number of primarily sound teeth. No correlations could be established between the aforementioned criteria and the D component.
一般教育水平和口腔健康知识与DMF指数及其M成分呈负相关。它们与基本健全牙齿的数量呈正相关。在上述标准与D成分之间未发现相关性。