Journal of clinical and diagnostic research : JCDR · 2016
Detection of Porphyromonas gingivalis fimA Type I Genotype in Gingivitis by Real-Time PCR-A Pilot Study.
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Krishnan Mahalakshmi, Krishnan Padma, Chandrasekaran S C
Аннотация
INTRODUCTION: Published literature till date reveals a high prevalence of Porphyromonas gingivalis fimA type I genotype among healthy subjects. Quite a few studies have reported its prevalence also in periodontitis patients. Nevertheless incidence of this genotype in gingivitis is lacking in adult population.
AIM: The present study was chosen to detect P. gingivalis fimA type I genotype among chronic gingivitis patients.
MATERIALS AND METHODS: A total of 46 subgingival plaque samples collected from chronic marginal gingivitis (n=23) and chronic periodontitis subjects (control group) (n=23) were subjected to Real-Time Polymerase Chain Reaction to detect the P. gingivalis fimA type I gene. Statistical analysis was performed using chi-square test.
RESULTS: Prevalence of P. gingivalis fimA type I gene among chronic periodontitis and chronic gingivitis patients were 8.7% and 30.4% respectively. P. gingivalis fimA type I genotype prevalence was found to be statistically insignificant between the two study groups (p=0.135).
CONCLUSION: The avirulent P. gingivalis fimA type I genotype, occurred in high prevalence among chronic gingivitis patients, while its presence was low in chronic periodontitis patients. Presence of this avirulent genotype in chronic marginal gingivitis signifies its reversible condition.
AIM: The present study was chosen to detect P. gingivalis fimA type I genotype among chronic gingivitis patients.
MATERIALS AND METHODS: A total of 46 subgingival plaque samples collected from chronic marginal gingivitis (n=23) and chronic periodontitis subjects (control group) (n=23) were subjected to Real-Time Polymerase Chain Reaction to detect the P. gingivalis fimA type I gene. Statistical analysis was performed using chi-square test.
RESULTS: Prevalence of P. gingivalis fimA type I gene among chronic periodontitis and chronic gingivitis patients were 8.7% and 30.4% respectively. P. gingivalis fimA type I genotype prevalence was found to be statistically insignificant between the two study groups (p=0.135).
CONCLUSION: The avirulent P. gingivalis fimA type I genotype, occurred in high prevalence among chronic gingivitis patients, while its presence was low in chronic periodontitis patients. Presence of this avirulent genotype in chronic marginal gingivitis signifies its reversible condition.