U.S., March 28 -- ClinicalTrials.gov registry received information related to the study (NCT06898411) titled 'Retrospective Clinical Evaluation on the Longevity of Glass Ceramic Based Single Tooth Restorations' on March 13.

Brief Summary: This retrospective study investigates the longevity of lithium disilicate based glass-ceramic single tooth restorations placed with IPS e.max CAD and IPS e.max Press after a wearing period of more than 15 years. The primary objective is to assess the survival rate of single tooth restorations with IPS e.max CAD and IPS e.max Press after a wearing period of at least 15 years. The secondary objectives are to assess the quality of the single tooth restoration in regard of aesthetic, functional and biological...