The effects of chlorhexidine gluconate (0.12%) on the antimicrobial properties of tooth-colored ProRoot mineral trioxide aggregate

Ted J. Stowe, Christine Sedgley, Bryant Stowe, J. Christopher Fenno

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

The purpose of this in vitro study was to determine whether the substitution of 0.12% chlorhexidine gluconate for sterile water as a mixing agent would enhance the antimicrobial activity of tooth-colored ProRoot mineral trioxide aggregate (MTA) against Actinomyces odontolyticus (ATCC17982), Fusobacterium nucleatum (ATCC2586), Streptococcus sanguis (ATCC10556), Enterococcus faecalis (ER3/ 2S), Escherichia coli (SM10λpir), Staphylococcus aureus (ATCC6538), Pseudomonas aeruginosa (UME), and Candida albicans (ATCC10261). Two wells of 5-mm diameter were made in triplicate agar plates inoculated with standardized suspensions of each microorganism. MTA (33 mg) mixed with chlorhexidine (12 μl) or sterile water (12 μl) was placed to fill each well. Plates were incubated at 37°C as required for microbial growth. A blinded, independent observer measured zones of inhibition. All MTA samples inhibited microbial growth regardless of mixing agent. MTA/chlorhexidine showed significantly larger zones of inhibition (p <0.0002, paired t test). In conclusion, substituting 0.12% chlorhexidine gluconate for water enhanced the antimicrobial activity of tooth-colored ProRoot MTA.

Original languageEnglish (US)
Pages (from-to)429-431
Number of pages3
JournalJournal of Endodontics
Volume30
Issue number6
StatePublished - Jun 2004
Externally publishedYes

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Tooth
Chlorhexidine
Water
Streptococcus sanguis
Fusobacterium nucleatum
Actinomyces
Enterococcus faecalis
Growth
Candida albicans
Pseudomonas aeruginosa
Agar
Staphylococcus aureus
Suspensions
chlorhexidine gluconate
mineral trioxide aggregate
Escherichia coli

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

The effects of chlorhexidine gluconate (0.12%) on the antimicrobial properties of tooth-colored ProRoot mineral trioxide aggregate. / Stowe, Ted J.; Sedgley, Christine; Stowe, Bryant; Fenno, J. Christopher.

In: Journal of Endodontics, Vol. 30, No. 6, 06.2004, p. 429-431.

Research output: Contribution to journalArticle

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