Nine-Year Clinical Outcomes of PICN Restorations for Tooth Wear
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This article presents a nine-year clinical study evaluating the long-term success of a minimally invasive, one-step full-mouth rehabilitation technique for worn dentition. The technique utilizes Polymer-Infiltrated Ceramic Network (PICN) CAD-CAM restorations, avoiding tooth preparation. The study assessed a large sample of restorations, analyzing survival and success rates, identifying restoration thickness as a key factor influencing fracture risk. Results showed high long-term survival and success rates, with minor chipping being the primary complication, primarily affecting posterior restorations thinner than 0.6 mm. The study concludes that PICN is a promising material for this technique, emphasizing the importance of sufficient restoration thickness.
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