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J Korean Acad Pediatr Dent. 2010;37(1): 1-12.
THE PREVENTIVE EFFECT OF COMMERCIALLY AVAILABLE ANTICARIOGENIC PRODUCTS ON ENAMEL EROSION INDUCED BY CARBONATED BEVERAGE IN VITRO
Ju-Hyun Song, Young-Jae Kim, Jung-Wook Kim, Ki-Taeg Jang, Chong-Chul Kim, Se-Hyun Hahn, Sang-Hoon Lee
Department of Pediatric Dentistry, Graduate School, Seoul National University & Dental Research Institute
Corresponding Author: Sang-Hoon Lee ,Tel: 02-2072-3819, Email: musso@snu.ac.kr
Received: February 11, 2009;  Accepted: November 18, 2009.
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ABSTRACT
The aim of this study was to evaluate the preventive effect of commercially available anticariogenic products, specifically, the tooth cream containing Casein phosphopeptide-amorphous calcium phosphate(CPP-ACP), fluoride varnish and low-level fluoride mouthrinse on enamel erosion induced by carbonated beverage in a short period of time. Enamel specimens were treated as follows and were then kept in artificial saliva for 24 hours followed by further processing by alternately soaking them in Cola beverage and in distilled water for 1 minute each five times. Group 1: control group (no treatment) Group 2: tooth cream with CPP-ACP Group 3: fluoride varnish (1,000 ppm F) Group 4: low-level fluoride mouthrinse (227 ppm F) Group 5: fluoride varnish + tooth cream with CPP-ACP Group 6: low-level fluoride mouthrinse + tooth cream with CPP-ACP Microhardness and erosion depth were measured and the mineral loss of each specimen was evaluated by measuring the volumetric fluorescence change(ΔQ) against the stable fluorescent grid using quantitative lightinduced fluorescence(QLF). The experiment lasted for 6 days repeated each day. The results were as follows: 1. The microhardness was increased as follows: Group 1≤2≤4<6<3≒5. 2. The mean erosion depth was increased as follows: Group 5≒3<6<4≒2≒1. 3. The ΔQ was increased as follows: Group 1≒2≤4≤6≤3≒5. The decrement of ΔQ was similar between group 1 and 2, group 4 and 6 and group 3 and 5. 4. The ΔQ showed positive correlation with microhardness (r=0.96, p<0.05), while it was negatively correlated to erosion depth (r=-0.96, p<0.05).
Keywords: Tooth cream | Fluoride varnish | Fluoride mouthrinse | Microhardness | Erosion depth | Volumetric fluorescence change(ΔQ)
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