The other clinical improvement is accompanied by a shift from a microbiologic change commonly associated with periodontaJly diseased sites to one more typical of healthy sites.

• 此外,另一临床效果的改善,乃是由于病社区致病菌的改变到健康牙周的细菌生态;使得致病菌对牙周组织的酵素破坏受到阻断的结果。