Abstract
The effects of age and denture-wearing on the composition of the oral microflora in molar plaque and whole saliva were investigated in 40 healthy subjects, 10 of them wore partial dentures.The 30 healthy subjects were divided into three age groups: 20-29 years (group A), 40-51 years (group B) and over 70 years (group C).The denture-wearing subjects were divided into two age groups: 40-52 years (group B′) and over 70 years (group C′).The total viable counts and the number of predominant organisms were similar in all age groups and denture-wearing groups. Whereas some minor groups of aerobes in the oral microflora, i.e., lactobacilli and staphylococci, significantly increased detection frequency (p <0.05) of groups C and C'. The detection frequency (p<0.05) of Candida and lactobacilli in saliva were significantly higher in denture wearers.However, the number of detected organisms was small.The findings of this study indicated that no major changes occur in the oral microflora according to age and denture-wearing.
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