Endoscopic findings in periapical surgery. A cross-sectional study of 206 roots

• Published in: Medicina oral, patología oral y cirugía bucal patología oral y cirugía bucal, 2022-07, Vol.27 (4), p.e375-e382
• Main Authors: Glera-Suárez, P, Pallarés-Serrano, A, Soto-Peñaloza, D, Tarazona-Álvarez, B, Peñarrocha-Diago, M, Peñarrocha-Oltra, D
• Format: Article
• Language: English
• ISSN: 1698-6946; 1698-4447; 1698-6946
• DOI: 10.4317/medoral.25311

A study is made of the findings of high-magnification rigid endoscopy at the root end surface following apicoectomy of teeth subjected to periapical surgery. A cross-sectional study was made of patients subjected to periapical surgery at the Unit of Oral Surgery and Implantology (University of Valencia, Valencia, Spain) between 2011 and 2019. Following apicoectomy, the root end surfaces were inspected, with the evaluation of untreated canals, isthmuses, craze lines, crack lines, opaque dentin and gaps. Likewise, an analysis was made of the association between patient age and the tooth type and restoration and the presence of craze lines, cracks, opaque dentin and gaps. The final sample consisted of 168 patients subjected to periapical surgery, with 177 operated teeth and 206 roots. Untreated canals were observed in 14 roots (6.8%). Isthmuses were identified in 74 roots (35.9%), particularly in the mesial root of the lower first molar (94.1%). In turn, craze lines were identified in 8.3% of the roots, cracks in 3.9%, and gaps in 53.4%. The prevalence of opaque dentin was 78.3%, with a greater presence in posterior teeth (90.3% in premolars and 86.2% in molars) than in anterior teeth (50.6%) (p