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  • Title: Clinical evaluation of a polyacid-modified resin composite (compomer) in Class II restorations of primary teeth: a two-year follow-up study.
    Author: Papagiannoulis L, Kakaboura A, Pantaleon F, Kavvadia K.
    Journal: Pediatr Dent; 1999; 21(4):231-4. PubMed ID: 10436476.
    Abstract:
    PURPOSE: The aim of the study was to assess the clinical performance of a compomer restorative material (Dyract, DeTrey/Dentsply) for the restoration of Class II cavities, extended into dentin in primary teeth. METHODS: The sample of the study consisted of 25 patients with 68 restored cavities. The restorations were evaluated with the modified Ryge criteria at baseline and after 6, 12 and 24 months. Examination was clinical, radiographic, and observation of cast replicas under scanning electron microscope (SEM). RESULTS: After 24 months, 100% of the restorations were retained, 3% presented bulk fractures, and 6% developed secondary caries at cervical margins. After 24 months, there was a significant reduction in marginal integrity while there was only slight change in anatomic form. Proximal contact was defective in 6% of the restorations and 8% showed marginal discoloration. SEM evaluation revealed a generalized occlusal and scattered marginal wear with no marginal gaps. CONCLUSION: The compomer presented acceptable clinical performance in Class II restorations of primary teeth after 24 months in service.
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