A clinical assessment of the effectiveness of a mouthwash based on triclosan and on Zea mays L used as supplements to brushing
Department of Oral Medicine and Periodontics, Faculty of Dentistry, University of Seville, Spain.Quintessence international (Impact Factor: 0.95). 06/1997; 28(5):329-35.
The effectiveness of a mouthwash based on triclosan in combatting plaque and gingivitis was compared with a mouthwash based on nonsaponifiable maize germ (Zea mays L). Both were used to supplement conventional mechanical oral hygiene. The study was carried out under double-blind conditions with a negative control (a placebo) and a positive control (a mouthwash based on chlorhexidine). After a period of 14 days to allow the Plaque Index and Gingival Index to standardize, the 43 subjects who formed the sample were examined weekly for 3 weeks. During the study, five subjects were excluded because they did not meet the criteria for selection for the study. Although the mouthwash based on triclosan reduced the Plaque Index by 7.3% in comparison with the placebo negative control (a less marked effect than that of chlorhexidine, which achieved an 8.43% reduction), it had scarcely any effect on the Gingival Index. The mouthwash based on Zea mays L had no beneficial action on the Plaque Index, which increased slightly, but it led to an improvement in the Gingival Index (7.17% in comparison with the placebo).
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ABSTRACT: Contamination of removable prostheses with microorganisms, particularly Candida albicans, is a common clinical problem. Microban, a broad-spectrum antimicrobial containing triclosan, recently has been proposed to inhibit microbial growth. This study aimed to determine whether the addition of Microban to PermaSoft denture liner prevents the growth of C albicans and affects the cytotoxicity of the PermaSoft material. Experimental specimen disks (5 x 1 mm each) with and without incorporated Microban were fabricated aseptically (n = 6) against polyester film to produce a smooth surface. To assess the cytotoxic effect of Microban, the MTT assay was used. To determine the effect of Microban on the growth of C albicans, disks were placed in Transwell dishes, covered with Sabouraud's broth containing an ATCC strain of C albicans, and incubated at 37 degrees C for 24 hours. Wells containing fluorocarbon resin disks or broth alone served as controls. The disks were rinsed to remove unattached C albicans and then sonicated in sterile water to remove surface organisms. Serial dilutions of the water extracts were plated on Sabouraud's agar and returned to the incubator for 24 hours. Colonies were counted with a Brunswick Colony Counter. Growth of C albicans in the internal aspects of the specimens was determined in a manner as previously described, with the exception that the specimens were sonicated to remove surface organisms, minced, and sonicated once more before making serial dilutions. The results were compared with ANOVA and Tukey intervals (alpha=.05). The number of colonies formed ranged from 17 to 31 x 10(5) (mean = 23 +/- 4 x 10(5)) and 14 to 69 x 10(5) (mean = 32 +/- 20 x 10(5)) for the PermaSoft with and without Microban groups, respectively. There was no statistically significant difference between PermaSoft with and without Microban. The addition of Microban did not significantly alter the cytotoxicity of the PermaSoft denture lining material or reduce the adherence of viable C albicans to the surface of PermaSoft material after 24 hours.Journal of Prosthetic Dentistry 05/2001; 85(4):352-6. DOI:10.1067/mpr.2001.115249 · 1.75 Impact Factor
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ABSTRACT: To evaluate the effectiveness of natural compounds containing mouthrinse (NCCM) as an adjunct to unsupervised oral hygiene in the management of dental plaque and gingivitis. An electronic search for clinical studies of NCCMs was conducted in Medline-PubMed, the Cochrane Central Register of Controlled Trials and EMBASE for a period spanning from the earliest available date in each database up to February 2013. Plaque index, gingival index, and gingival bleeding index were selected as primary outcomes. The methodological quality of the studies was assessed according to the "Levels of Evidence" outlined by the Center of Evidence-Based Medicine, and to the Jadad scale. The screen yielded 2,236 titles and abstracts that met the inclusion criteria. These identified 11 clinical trials testing 13 different NCCMs, and were used for data extraction. Heterogeneity and the limited number of studies on any individual NCCM precluded a formal meta-analysis. Of the 13 NCCMs tested, eight demonstrated positive results, and few reported any adverse effects or events. Evidence proving the effectiveness of NCCM as an adjunct to unsupervised oral hygiene for plaque and gingivitis control is still insufficient. However, some natural products (compounds) may have oral health benefits, so further high-quality study is warranted. This review provides an overview of the strength of clinical evidence regarding the effectiveness of natural compounds containing mouthrinses in promoting gingival health.Clinical Oral Investigations 07/2013; 18(1). DOI:10.1007/s00784-013-1033-0 · 2.35 Impact Factor