Mutans streptococci and lactobacilli in plaque on a leucite-reinforced dental ceramic and on a calcium aluminate cement.

Clinical Oral Investigations
Katarina KonradssonJan W V Van Dijken

Abstract

In this in vivo study, the proportions of mutans streptococci and lactobacilli in plaque were examined (1) on proximal surfaces of bonded, leucite-reinforced ceramic crowns and (2) on class V restorations of calcium aluminate cement (CAC). The examined proportions were intraindividually compared with those of resin composite and enamel. Mutans streptococci and lactobacilli in samples from plaque that was accumulated for 10 days on the following surfaces were determined by cultivation on blood agar plates and species-selective plates: (1) proximal leucite-reinforced ceramic crown, class II composite and enamel (n=11); and (2) class V restoration of CAC and composite, and enamel (n=17). Mutans streptococci and lactobacilli in the samples were distributed in three groups: 0, >0-1, and >1% of total bacteria. The surfaces with detected mutans streptococci were similarly distributed between the materials and enamel. The highest proportion of mutans streptococci and lactobacilli were observed on ceramic followed by composite and enamel. A higher proportion of lactobacilli, but not of mutans streptococci, was detected on enamel compared to CAC and composite. However, no significant differences were found between the surfaces. Conclusiv...Continue Reading

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Citations

Jan 13, 2009·Clinical Oral Investigations·Christian Hannig, Matthias Hannig
Aug 26, 2014·Journal of Endodontics·Phillip R KramerLynne A Opperman
Mar 24, 2007·Journal of Biomedical Materials Research. Part a·Christian HannigMatthias Hannig
Nov 3, 2010·Applied and Environmental Microbiology·Sunil PalchaudhuriJames Stenger

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