Clinical Evaluation on the Longevity of Glass Ceramic Based Single Tooth Restorations

Retrospective Clinical Study to Investigate the Longevity of Long-term Single Tooth Restorations From IPS e.Max CAD and Press

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 restorations in regard of aesthetic, functional and biological properties.

Inclusion Criteria:

• Age: > 18 years
• Informed consent signed and understood by the subject
• Received indirect single tooth restoration (inlay, onlay, veneer or crown) within the internal clinic of Ivoclar Vivadent AG between 2006 and 2010
• Single tooth restoration was done with IPS e.max CAD or IPS e.max Press
• Able to visit the internal clinic of Ivoclar Vivadent AG in Schaan, FL.

Exclusion Criteria:

• Health status (physical and mental) does not allow participation