Mutans streptococci and lactobacilli in saliva after the application of fissure sealants

Because dental fissures may serve as reservoirs for mutans streptococci, preventive measures should be taken to control microbial concentrations at these sites. This study estimated the influence that sealing permanent first molars would have on the levels of mutans streptococci and lactobacilli in...

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Veröffentlicht in:Operative dentistry 2002-03, Vol.27 (2), p.107-111
Hauptverfasser: Baca, P, Castillo, A M, Bravo, M, Junco, P, Baca, A P, Llodra, J C
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container_end_page 111
container_issue 2
container_start_page 107
container_title Operative dentistry
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creator Baca, P
Castillo, A M
Bravo, M
Junco, P
Baca, A P
Llodra, J C
description Because dental fissures may serve as reservoirs for mutans streptococci, preventive measures should be taken to control microbial concentrations at these sites. This study estimated the influence that sealing permanent first molars would have on the levels of mutans streptococci and lactobacilli in saliva of healthy seven-year-old schoolchildren. Permanent first molars were sealed in 31 children without caries (NC group) and in 32 children with caries (C group). None of the children had caries in their permanent first molars. Conventional methods were used to count mutans streptococci and lactobacilli in saliva before applying the sealant and again at 4 and 12 weeks after application. Baseline counts of lactobacilli and mutans streptococci were significantly higher in the C group. A significant reduction in mutans streptococci was observed in the NC group at 4 and 12 weeks. It was concluded that fissure sealants in permanent first molars can help reduce salivary levels of mutans streptococci in children without caries.
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subjects Child
Colony Count, Microbial
Dental Caries - microbiology
Dental Caries - prevention & control
Dental Fissures - microbiology
Dentistry
DMF Index
Follow-Up Studies
Humans
Lactobacillus - drug effects
Lactobacillus - growth & development
Matched-Pair Analysis
Molar - microbiology
Pit and Fissure Sealants - therapeutic use
Saliva - microbiology
Social Class
Statistics as Topic
Statistics, Nonparametric
Streptococcus mutans - drug effects
Streptococcus mutans - growth & development
title Mutans streptococci and lactobacilli in saliva after the application of fissure sealants
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