Pathogen of root surface caries in the elderly
- VernacularTitle:老年根面龋患者菌斑致病菌分析
- Author:
Tingfa ZHANG
1
;
Yuxing ZHANG
;
Chunmei ZHANG
;
Shenghui YANG
Author Information
1. Beijing Hospital
- Keywords:
root surface caries * actinomyces;
lactobacillus;
streptococcus mutants
- From:
Chinese Medical Journal
2001;114(7):767-768
- CountryChina
- Language:Chinese
-
Abstract:
Abstract:Objective To study the pathogen of root surface caries in the elderly. Methods Plaque samples from the experimental group and the control group were collected. After culturing in selective and non-selective media, the different bacteria were isolated. The counts and the positive rates of total bacteria, porphyromonas group, pervotella group, streptococcus mutants group, actinomyces group and lactobacillus group were compared.Results The counts of total bacteria, streptococcus mutants, actinomyces and lactobacillus of the experimental group were higher than those of the control group. The positive rates of actinomyces and lactobacillus of the experimental group were significantly higher than those of the control group. Conclusion Actinomyces and lactobacillus are the main related pathogens of root surface caries in the elderly.
