Comparative Evaluation of the Survival Rates of Zirconia Crown and Stainless Steel Crown for Proximal Caries in Primary Molars: a Retrospective Study

Due to increasing demand for aesthetics, zirconia crowns have become a popular choice treating primary molars. However, there is limited literature available comparing the survival rates of with those other restorative materials. The objective this study was compare 36-month and stainless steel proximal caries, as well analyze failure types associated each crown type. Electronic medical records radiographs 1,061 molars from 498 patients treated 2 prefabricated at Chosun University Dental Hospital private dental clinics between 2017 2019 were collected analyzed. rate found be lower compared that crowns. Regarding groups without pulp treatment, significantly higher than in received therapy, no significant difference observed two preformed Notably, abnormal root resorption or periapical lesions identified cause crowns, whereas loss restoration predominant This holds valuable implications clinicians when selecting