Blount R L, Stokes T F
ASDC J Dent Child. 1986 Jan-Feb;53(1):53-6.
This study examined two critical measurement properties of the Simplified Oral Hygiene Index (OHI-S) and the Patient Hygiene Performance method (PHP). Both scales proved to be sufficiently sensitive to decreases in plaque.
本研究检测了简化口腔卫生指数（OHI-S）和患者卫生表现方法（PHP）的两个关键测量属性。两种量表均被证明对牙菌斑减少具有足够的敏感性。
