EFFECT OF FLUORIDE IN NATURAL POLYMER ON ENAMEL DEMINERALIZATION

Kim, Ji-Yeon; Lee, Sang Ho; Lee, Nan Young

Journal of the Korean Academy of Pediatric Dentistry 2010;37(1):35-43.
Published online February 28, 2010.

EFFECT OF FLUORIDE IN NATURAL POLYMER ON ENAMEL DEMINERALIZATION

Ji-Yeon Kim, Sang Ho Lee, Nan Young Lee

Department of Pediatric Dentistry, School of Dentistry, Chosun University

천연고분자 화합물을 이용한 불소겔이 법랑질 탈회에 미치는 영향

김지연, 이상호, 이난영

조선대학교 치의학전문대학원 소아치과학교실

Correspondence: Sang Ho Lee, Tel: 062-220-3865, Email: shclee@chosun.ac.kr

Received: 15 September 2009 • Accepted: 10 November 2009

Abstract

We have developed a sodium fluoride containing gelatin and methyl cellulose gel. Cariostatic abilities of those gel were investigated and compared with APF gel and fluoride varnish(Cavityshield^TM). We prepared the bovine tooth samples and divided into two surface, control side and experimental side in same specimen for exclusion of difference between specimens. The experiment was consisted of 4 groups : (I) APF gel : (II) Cavityshield^TM : (III) Gelatin F gel : (IV) Methyl cellulose F gel Decalcification were produced by placing each specimen into artificial acidic solution(pH 4.0) for 72 hours. Surface microhardness were measured and depth of demineralization lesion were measured by polarizing light microscope. The results were as follows: 1. The difference of VHN between control and experimental side is smallest in group I (p<0.05). 2. The largest difference was shown in group II (p<0.05). 3. There were no significant difference between group III and IV in microhardness test (p>0.05). 4. The difference of lesion depth is smallest in group I (p<0.05). 5. There were no significant difference between group II, III and IV in lesion depth (p>0.05). The result of the present study indicate that the fluoride containing gelatin and methyl cellulose gel is more effective than APF gel and is similar to fluoride varnish application for prevention of demineralization.

Key Words: Fluoride containing gel, Gelatin, Methyl cellulose, Demineralization, APF gel, Fluoride varnish