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CORRESPONDENCE
Year : 2006  |  Volume : 24  |  Issue : 2  |  Page : 150-151
 

Antibacterial activity of glass-ionomer restorative cements and polyacid modified composite resin against Cariogenic bacteria


1 Depatment of Microbiology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, Chennai-600 113, India
2 Ragas Dental College, Chennai - 600 113, India

Correspondence Address:
T Menon
Depatment of Microbiology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, Chennai-600 113
India
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DOI: 10.4103/0255-0857.25222

PMID: 16687876

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How to cite this article:
Menon T, Kumar C, Dinesh K. Antibacterial activity of glass-ionomer restorative cements and polyacid modified composite resin against Cariogenic bacteria. Indian J Med Microbiol 2006;24:150-1

How to cite this URL:
Menon T, Kumar C, Dinesh K. Antibacterial activity of glass-ionomer restorative cements and polyacid modified composite resin against Cariogenic bacteria. Indian J Med Microbiol [serial online] 2006 [cited 2014 Oct 31];24:150-1. Available from: http://www.ijmm.org/text.asp?2006/24/2/150/25222


Dear Editor,

The dental plaque harbours a diverse range of bacteria such as Streptococcus mutans , Streptococcus sanguis , Streptococcus sobrinus , Lactobacillus spp , Actinomyces spp . etc, embedded in a matrix of polymers of bacterial and salivary origin.[1],[2],[3] Therapeutic procedures used in the treatment of caries do not always eliminate all the microorganisms in the residual tissues, leading to development of recurring caries and frequent cause of replacement of restorative materials. We compared the in vitro antibacterial activity of three glass-ionomer cements - Fuji II (GC Int. Corp.), Vitremer (3M Dental), Miracle Mix (GC Int. Corp.) and a polyacid modified composite resin (compomer) restorative cement - Dyract (Densply DeTrey) against Streptococcus mutans (ATCC 25175) and Streptococcus sanguis (ATCC 10556) using BHI agar plate diffusion assay.[4],[5] Chlorhexidine (0.2%) was used as the positive control and sterile isotonic saline was used as negative control.

All three glass-ionomers exhibited antibacterial activity. Vitremer showed the maximum activity, followed by Fuji II and Miracle Mix. The primer component of the compomer showed activity whereas Dyract failed to show any activity [Table - 1].

This study demonstrates antibacterial activity of restorative cements against prototype cariogens. The antibacterial activity of these materials may not be limited to streptococci but also against other cariogenic bacteria and other orodental pathogens.[4],[5] Though the exact nature of action and degree of effectiveness have not been elucidated, in light of the present and other reported results, the use of glass-ionomer cements could be indicated in the restorative treatment of dental caries.

 
  References Top

1.Saini S, Aparna, Gupta N, Mahajan A, Arora DR. Microbial flora in orodental infections. Indian J Med Microbiol 2003; 21 :111-4.  Back to cited text no. 1    
2.Ross PW, Holbrook WP. Dental Plaque. In : Clinical and Oral Microbiology, Blackwell Scientific Publications: Glasgow; 1994. p. 82.  Back to cited text no. 2    
3.Van Houte J. Role of microorganism in caries etiology. J Dent Res 1994; 73 :672-81.  Back to cited text no. 3  [PUBMED]  
4.Herrera M, Castillo A, Baca P, Carrion P. Antibacterial activity of glass-ionomer restorative cements exposed to cavity-producing microorganisms. Operat Dentist 1999; 24 :286-91.  Back to cited text no. 4  [PUBMED]  
5.Tobias RS. Antibacterial properties of dental restorative materials: A review. Int Endodontic J 1988; 21 :155-60.  Back to cited text no. 5    


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