Journal of dentistry · 2010
A 10-year retrospective study of the survival rate of teeth restored with metal prefabricated posts versus cast metal posts and cores.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
Обработка статьи · этапы, ошибки и управление
Загрузка состояния…
Ошибки и ограничения
История · было → стало
Состояние обновляется каждые 5 секунд, пока блок открыт. Процент показывается только там, где известен объём работы. Пауза останавливает продолжение этапа; текущий запрос к источнику может завершиться.
Gómez-Polo Miguel, Llidó Blanca, Rivero Antonia, Del Río Jaime, Celemín Alicia
Аннотация
OBJECTIVE: The aim of this retrospective study was to compare the cumulative survival rate of teeth restored with prefabricated posts and with cobalt-chrome cast post-cores.
METHODS: 112 endodontically treated teeth restored with prefabricated post and cobalt-chrome cast post-and-cores were evaluated. Teeth were considered as failures when were objective or radiologic sign of endodontic failure, post or root fracture, or when they had been extracted at the moment of the evaluation. Kaplan-Meier's method was used to reconstruct the survival curves of the restorations and to test the variable type of post-and-core restoration.
RESULTS: 93 of the posts were still in function without clinical or radiographic signs of failure at the time of the examination resulting in a survival rate of 83.03% after a mean follow-up period of 10.08 years. When comparing the two techniques, prefabricated posts showed a slightly higher survival rate: 84.6% versus 82.6%.Focusing on tooth-type, maxillary premolars (n=30) had the highest failure rate (30%) and also the lowest mean lifetime, with 6-and-a-half years. Maxillary incisors (n=20) showed the highest success rate (5%) with only one case of failure.
CONCLUSIONS: The results showed no significant difference between both groups after a 10-year average follow-up.
METHODS: 112 endodontically treated teeth restored with prefabricated post and cobalt-chrome cast post-and-cores were evaluated. Teeth were considered as failures when were objective or radiologic sign of endodontic failure, post or root fracture, or when they had been extracted at the moment of the evaluation. Kaplan-Meier's method was used to reconstruct the survival curves of the restorations and to test the variable type of post-and-core restoration.
RESULTS: 93 of the posts were still in function without clinical or radiographic signs of failure at the time of the examination resulting in a survival rate of 83.03% after a mean follow-up period of 10.08 years. When comparing the two techniques, prefabricated posts showed a slightly higher survival rate: 84.6% versus 82.6%.Focusing on tooth-type, maxillary premolars (n=30) had the highest failure rate (30%) and also the lowest mean lifetime, with 6-and-a-half years. Maxillary incisors (n=20) showed the highest success rate (5%) with only one case of failure.
CONCLUSIONS: The results showed no significant difference between both groups after a 10-year average follow-up.
Предметные рубрики MeSH
AdultBicuspidChromium AlloysCrownsCuspidDental AbutmentsDental CariesDental Prosthesis DesignDental Restoration FailureFemaleFollow-Up StudiesGlass Ionomer CementsHumansIncisorMaleMetal Ceramic AlloysMiddle AgedPost and Core TechniqueRetrospective StudiesRoot Canal TherapySex FactorsSurvival AnalysisTooth ExtractionTooth FracturesTooth RootTooth, NonvitalTreatment OutcomeZinc Phosphate Cement