0989 Ozone Efficacy in Treatment of Occlusal Caries in Primary Teeth
O. ABU-SALEM, M. MARASHDEH, and E. LYNCH, Queen's University, Belfast, United Kingdom

Ozone is now being investigated as a pharmaceutical treatment for occlusal caries in permanent and primary teeth. Aims: To assess and monitor the progression, stabilization or reversal of occlusal carious lesions using DIAGNOdent, Electrical Caries Monitor (ECM) standard scale readings, clinical classification (Ekstrand, 1998), Stained enamel (mm), Colour index, Texture index, Frosted enamel and perceived treatment need index after Ozone treatment in primary teeth. Methods: In vivo study where 16 patients with 42 non-cavitated occlusal carious lesions were reviewed at the 6-month stage. At baseline, three months and six months All teeth were cleaned by an air-abrasive system called Prophyflex 2 (KaVo, Germany). Then, DIAGNOdent (D) (KaVo, Germany), ECM (LODE BV, Netherlands) standard scale readings and clinical classification (Ekstrand, 1998) were taken. Half of the lesions were treated with Ozone at each of these three visits, using a silicone-sealed cup via a hand piece (HealOzone unit, CurOzone USA and KaVo, Germany) for 10 seconds, whereas, the other half of the lesions was reserved as a control group. Results: At six months ECM readings were improved significantly (p<0.05) and DIAGNOdent readings also improved significantly (p<0.05) compared to the baseline readings. The carious lesions in the treatment group showed significant improvement in the texture and perceived treatment needs indices with no significant changes on Ekstrand clinical index, frosted enamel index and stained enamel length. Conclusion: In Deciduous teeth, after six months, Ozone efficiently enables remineralisation of carious lesions and reduces their porosity as measured by ECM and DIAGNOdent respectively.

Seq #109 - Clinical and Restorative Studies
3:45 PM-5:00 PM, Thursday, 26 June 2003 Svenska Massan Exhibition Hall B

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