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KMID : 0880520120480030133
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Chonnam Medical Journal
2012 Volume.48 No. 3 p.133 ~ p.140
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Antimicrobial Activity of Calcium Hydroxide in Endodontics: A Review
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Mohammadi Z
Shalavi S
Yazdizadeh M
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Abstract
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The purpose of endodontic therapy is to preserve the patient’s natural teeth without compromising the patient’s local or systemic health. Calcium hydroxide has been included in several materials and antimicrobial formulations that are used in several treatment modalities in endodontics, such as inter-appointment intracanal medicaments. The purpose of this article was to review the antimicrobial properties of calcium hydroxide in endodontics. Calcium hydroxide has a high pH (approximately 12.5-12.8) and is classified chemically as a strong base. The lethal effects of calcium hydroxide on bacterial cells are probably due to protein denaturation and damage to DNA and cytoplasmic membranes. Calcium hydroxide has a wide range of antimicrobial activity against common endodontic pathogens but is less effective against Enterococcus faecalis and Candida albicans. Calcium hydroxide is also a valuable anti-endotoxin agent. However, its effect on microbial biofilms is controversial.
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KEYWORD
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Biofilm, Calcium hydroxide, Candida albicans, Endotoxin
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