Uzgur Recep, Uzgur Zeynep, Colak Hakan, Ercan Ertugrul, Dalli Mehmet, Özcan Mutlu
Private Practice, Istanbul, Turkey.
Kirikkale University, Faculty of Dentistry, Department of Restorative Dentistry, Kirikkale, Turkey.
Eur J Prosthodont Restor Dent. 2017 Mar;25(1):42-48. doi: 10.1922/EJPRD_01588Uzgur07.
This cross-sectional survey investigated the reasons for placement and replacement of single crowns, the type of materials selected for initial placement and evaluated their longevity. Information was collected over 19 months period using a questionnaire focusing on the principal reasons for the placement and replacement of crowns, selected material type and the age of the crowns at the time of replacement. A total of 842 single crowns were evaluated in 476 patients. Of the 842 crowns, 472 (56%) were initial placements and 370 (44%) replacements. The main reason for placement of first single crowns was related to endodontic problems (26.5%). Metal-ceramic was indicated significantly more frequent (88.9%; p⟨0.01) than other materials for the placement and replacement of single crowns. The median age of the replaced crowns was 6 years.
这项横断面调查研究了单冠修复体的放置和更换原因、初次放置时所选的材料类型，并评估了它们的使用寿命。在19个月的时间里，通过问卷调查收集信息，问卷重点关注冠修复体的放置和更换的主要原因、所选材料类型以及更换时冠修复体的使用年限。对476例患者的842个单冠修复体进行了评估。在这842个冠修复体中，472个（56%）是初次放置，370个（44%）是更换。初次单冠修复体放置的主要原因与牙髓问题有关（26.5%）。在单冠修复体的放置和更换中，金属烤瓷材料的使用明显比其他材料更为频繁（88.9%；p＜0.01）。更换的冠修复体的中位使用年限为6年。
