Longevity of metal-ceramic crowns cemented with self-adhesive resin cement: a prospective clinical study

Abstract

Resin cements are often used for single crown cementation due to their physical properties. Self-adhesive resin cements gained widespread due to their simplified technique compared to regular resin cement. However, there is lacking clinical evidence about the long-term behavior of this material. The aim of this prospective clinical trial was to assess the survival rates of metal-ceramic crowns cemented with self-adhesive resin cement up to six years. One hundred and twenty-nine subjects received 152 metal-ceramic crowns. The cementation procedures were standardized and performed by previously trained operators. The crowns were assessed as to primary outcome (debonding) and FDI criteria. Statistical analysis was performed using Kaplan-Meier statistics and descriptive analysis. Three failures occurred (debonding), resulting in a 97.6% survival rate. FDI criteria assessment resulted in scores 1 and 2 (acceptable clinical evaluation) for all surviving crowns. The use of self-adhesive resin cement is a feasible alternative for metal-ceramic crowns cementation, achieving high and adequate survival rates.

Two-year clinical performance of cast post and core self-adhesive cementation

“…These monomers can promote bonding to metallic ions through an acid-base reaction [4]. This additional chemical adhesion of self-adhesive resin cements and their easy application, which does not require dentin treatment before, gained widespread use of self-adhesive resin cements in cases with minimal presence of coronal tissue [3].…”

“…This study presented a case report with a time of observation of 2 years, and although it can be considered a short follow-up period, there are few case reports available in the literature that describe the self-adhesive cementation of cast post and cores. Some studies evaluated the self-adhesive cementation of metal ceramic crowns and found survival rates higher than 90% after six years of follow-up [3,5], which may indicate the clinical success of adhesion of self-adhesive resin cements on metal substrates. The use of cast post and core associated with self-adhesive cement may offer a reliable rehabilitation choice, with user-friendly technique, low film thickness and adhesion to dentin walls and to the metal.…”

Resistência à compressão, flexão e tração diametral de cimentos resinosos em tempos diferentes de armazenamento

“…Nesse estudo foram testados dois cimentos resinosos amplamente utilizados na Odontologia, um convencional e outro autoadesivo. A hipótese apresentada no presente estudo foi negada, uma vez que os resultados mostraram que não houve diferenças estatisticamente significantes entre os cimentos testados nos diferentes tempos de armazenamento, o que corrobora com os resultados obtidos em outros estudos (14)(15).…”

Micromorphology of the Adhesive Interface of Self-Adhesive Resin Cements to Enamel and Dentin

“…A sufficient and clinically reliable bond between dental tissues and restorations is a crucial precondition for resin bonded partial crowns, crowns, and bridges [1]. Self-adhesive resin cements (SARCs) have shown promising clinical outcomes resulting in a survival rate of 97.6% over 6 years for metal-based crowns, a survival rate of 83.5% for lithium disilicate crowns over 10 years and survival rates of above 90% for zirconia fixed dental prostheses over 6 years [2][3][4]. SARCs are designed to combine the ease of use of glass ionomer cements and the favorable mechanical and adhesive properties of conventional resin cements in combination with a beforehand applied adhesive system (CRC+SE) [5].…”