02 May 2022

---

Endocrown: survival and success rate

Simona Chirico

---

Endodontically treated teeth restored with crowns are reported to have an higher success rate compared with endodontically treated teeth restored without cuspal coverage. Furthermore, modern adhesive dentistry allows more conservative preparation design for endodontically treated teeth coronal restorations. According to literature, endocrowns are conservative coronal restorations that have been used to restore endodontically treated teeth with significant loss of coronal tooth structure. However lack of evidence on survival and success rate of endocrowns compared to traditional crowns were noticed by Dr. Al.Baddagh and his group of research. For these reasons the authors decided to conduct a systematic review and meta-analysis evaluating survival and success rate of endocrowns compared with traditional post and core crowns.

Material & Methods

The Arabian group of research defined Population, Intervention, Comparison and Outcome (PICO) of this review as follows: the population was participants or teeth undergoing root canal treatment; the intervention was ceramic or composite resin endocrowns; the comparison was conventional post-and-core crowns; and the outcome measures were survival and success rates.

Furthermore, the authors searched up on databases such as PubMed (MEDLINE), Scopus, EMBASE, Cochrane library, and Google Scholar for clinical and in vitro studies on endocrown survival and success rates.

Results

Al-Baddagh et al. found ten studies that fulfilled the inclusion criteria (3 clinical and 7 in vitro). The meta-analysis of the clinical studies conducted by the authors showed an estimated overall 5-year survival rate of 91.4% for endocrowns and 98.3% for conventional crowns. In addition the estimated overall 5-year success rates were 77.7% for endocrowns and 94% for conventional crowns. No significant differences in overall survival or success estimates between the assessed restorations (P>.05) were noticed by the authors.

Conclusions

Al-Baddagh et al. concluded that additional well-designed clinical studies with long-term assessment are needed, however, endocrowns appear to be a promising conservative restorative option with acceptable long-term survival for endodontically treated posterior teeth.

For more informations:  Survival and success of endocrowns: A systematic review and meta-analysis