Helena Fransson1, Victoria S Dawson2, Fredrik Frisk3, Lars Bjørndal4, Thomas Kvist5. 1. Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden. Electronic address: helena.fransson@mah.se. 2. Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden. 3. Department of Endodontology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Institute for Postgraduate Dental Education, Jönköping, Sweden. 4. Department of Cariology and Endodontics, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. 5. Department of Endodontology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Abstract
INTRODUCTION: The aim was to assess survival in the Swedish population of teeth treated by nonsurgical root canal treatment during 2009. METHODS: Data from the Swedish Social Insurance Agency were analyzed by Kaplan-Meier analysis to assess cumulative tooth survival during a period of 5-6 years of all teeth that were root-filled during 2009. RESULTS: In 2009, 248,299 teeth were reported as root-filled. The average age of the patients at the time of the root filling was 55 years (range, 20-102 years). The teeth most frequently root-filled were the maxillary and mandibular first molars. During the 5- to 6-year period 25,228 of the root-filled teeth (10.2%) were reported to have been extracted; thus 223,071 teeth (89.8%) survived. Tooth survival was highest in the youngest age group (93.2%). The highest survival (93.0%) was for the mandibular premolars, and the lowest (87.5%) was for the mandibular molars. Teeth restored with indirect restorations within 6 months of the root filling had higher survival rates (93.1%) than those restored with a direct filling (89.6%). CONCLUSIONS: In the adult population of Sweden, teeth that are root-filled by general practitioners under the tax-funded Swedish Social Insurance Agency have a 5- to 6-year survival rate of approximately 90%.
INTRODUCTION: The aim was to assess survival in the Swedish population of teeth treated by nonsurgical root canal treatment during 2009. METHODS: Data from the Swedish Social Insurance Agency were analyzed by Kaplan-Meier analysis to assess cumulative tooth survival during a period of 5-6 years of all teeth that were root-filled during 2009. RESULTS: In 2009, 248,299 teeth were reported as root-filled. The average age of the patients at the time of the root filling was 55 years (range, 20-102 years). The teeth most frequently root-filled were the maxillary and mandibular first molars. During the 5- to 6-year period 25,228 of the root-filled teeth (10.2%) were reported to have been extracted; thus 223,071 teeth (89.8%) survived. Tooth survival was highest in the youngest age group (93.2%). The highest survival (93.0%) was for the mandibular premolars, and the lowest (87.5%) was for the mandibular molars. Teeth restored with indirect restorations within 6 months of the root filling had higher survival rates (93.1%) than those restored with a direct filling (89.6%). CONCLUSIONS: In the adult population of Sweden, teeth that are root-filled by general practitioners under the tax-funded Swedish Social Insurance Agency have a 5- to 6-year survival rate of approximately 90%.
Authors: Chiara Pirani; Fausto Zamparini; Ove A Peters; Francesco Iacono; Maria Rosaria Gatto; Luigi Generali; Maria Giovanna Gandolfi; Carlo Prati Journal: Clin Oral Investig Date: 2018-12-05 Impact factor: 3.573
Authors: T Thyvalikakath; M LaPradd; Z Siddiqui; W D Duncan; G Eckert; J K Medam; D B Rindal; M Jurkovich; G H Gilbert Journal: J Dent Res Date: 2022-05-12 Impact factor: 8.924