Biomaterial Database

Antimicrobial activity of calcium hydroxide liners on Streptococcus sanguis and S. mutans. 1989

R A Barkhordar, and D Kempler

Division of Endodontics, University of California, San Francisco, School of Dentistry.

The antimicrobial activity of 10 calcium hydroxide liners on Streptococcus sanguis and S. mutans was studied. One hundred plates of tryticose soy agar-sheep red blood cells (10%), each with four distinct 3 mm diameter wells, were divided into two groups of 50. One group was inoculated with S. sanguis and the second group with S. mutans. A 4 mg liner was placed in each of three wells; the fourth well was left empty as a control. Plates were incubated at 37 degrees C and observed at 24 hours, 48 hours, and 7 days. All liners inhibited growth of both organisms. The inhibitory zones for S. mutans were larger than inhibitory zones for S. sanguis for all tested liners. Life Fast Set material had significantly less inhibitory effect on S. mutans. VLC Dycal, Life, and Life Fast Set materials had significantly less inhibitory effect on S. sanguis at p = 0.05.

UI	MeSH Term	Description	Entries
D002126	Calcium Hydroxide	A white powder prepared from lime that has many medical and industrial uses. It is in many dental formulations, especially for root canal filling.	Hydroxide, Calcium
D003736	Dental Cavity Lining	An inner coating, as of varnish or other protective substance, to cover the dental cavity wall. It is usually a resinous film-forming agent dissolved in a volatile solvent, or a suspension of calcium hydroxide in a solution of a synthetic resin. The lining seals the dentinal tubules and protects the pulp before a restoration is inserted. (Jablonski, Illustrated Dictionary of Dentistry, 1982)	Varnish, Cavity,Cavity Liner, Dental,Cavity Lining Varnish,Cavity Lining Varnishes,Cavity Lining, Dental,Cavity Linings, Dental,Cavity Varnishes,Dental Cavity Liner,Dental Cavity Liners,Dental Cavity Linings,Liners, Dental Cavity,Lining, Dental Cavity,Linings, Dental Cavity,Cavity Liners, Dental,Cavity Varnish,Liner, Dental Cavity,Varnish, Cavity Lining,Varnishes, Cavity,Varnishes, Cavity Lining
D001424	Bacterial Infections	Infections by bacteria, general or unspecified.	Bacterial Disease,Bacterial Infection,Infection, Bacterial,Infections, Bacterial,Bacterial Diseases
D013295	Streptococcus mutans	A polysaccharide-producing species of STREPTOCOCCUS isolated from human dental plaque.
D013298	Streptococcus sanguis	A gram-positive organism found in dental plaque, in blood, on heart valves in subacute endocarditis, and infrequently in saliva and throat specimens. L-forms are associated with recurrent aphthous stomatitis.	Streptococcus sanguinis