2750 Treatment of Primary Occlusal Pit and Fissure Caries with Ozone: Six-month Results
M.A. CRONSHAW, Private Practice, Isle of Wight, United Kingdom

Ozone has been shown to be effective in the arrest and reversal of primary pit and fissure as well as root carious lesions. Objectives: This study aimed at assessment of the effect of an ozone application on the clinical status as well as the DIAGNOdent readings of occlusal pit and fissure caries over a six-month period. Methods: 18 subjects with 49 carious lesions deemed to require drilling and filling were entered. 31 teeth were treated with 30 seconds Ozone (HealOzone, CurOzone and KaVo, USA and Germany) per test lesion. Each of the subjects had one control lesion which received no treatment. All lesions were reassessed after a six-month period. Determination of the severity of the lesions was made by measurement with an index of clinical severity and calibrated DIAGNOdent (KaVo, Germany) readings. Results: Of the 31 teeth treated, 25 showed improvements in DIAGNOdent measurements whilst 6 remained the same (P<0.05). 25 out of the 31 Ozone treated lesions had clinically reversed (P<0.05). In this test group there was an average reduction in Diagnodent readings of 49% (P<0.05). The control pit and fissure lesions, which had not received any ozone treatment, did not significantly change clinically and had deterioration in their DIAGNOdent readings. Conclusions: The use of ozone is an effective tool to treat occlusal pit and fissure carious lesions in general practice with a clinical success rate of 89%.

Seq #277 - Miscellaneous Caries Clinical Studies
11:00 AM-12:15 PM, Saturday, 28 June 2003 Svenska Massan Exhibition Hall B

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