As mentioned in the introduction, studies evaluating the
relationship between duration of diabetes and periodontitis
have inconsistent results [16-19]. In this study, all
periodontal parameters including missing teeth, CPI,
Russell’s periodontal index and papillary bleeding index
were significantly related to duration of diabetes. Also,
compliance to self management of diabetes showed significant
relationship with all periodontal parameter except
for CPI. Generally, results of cross-sectional study cannot
be interpreted as a causal relationship. But as reported by
Kneckt MC, participants who have good compliance to
self management of diabetes tend to have higher dental
self-efficacy which is related to good periodontal health
[26]. On the other hand