Etiologies of non-surgical root canal treatment and its association with risk factors in a selected Thai population.

Background: The aim of this study was to investigate the etiologies of non-surgical root canal treatment (NS-RCT) in a Thai population and examine their association with risk factors.

Methods: A cross-sectional observational study was performed to examine the etiologies of NS-RCT and risk factors among Thai-nationality patients treated at a tertiary care dental hospital in Thailand from 2019-2023. Treatment records and radiographs were retrospectively reviewed to identify NS-RCT etiologies, and associated contributing factors were analyzed.

Post retention strength of apical and conventional coating obturation methods using bioceramic sealer: a laboratory investigation.

Background: Once bioceramic sealer (BCS) enters the dentinal tubules, it cannot be reliably removed. BCS-occupied dentinal tubules reduce fibre post retention strength. Coating gutta-percha with BCS only on the apical portion may improve post retention strength due to increased retention strength between the dentin and resin cement interface.

Efficiency and complications in root canal retreatment using nickel titanium rotary file with continuous rotation, reciprocating, or adaptive motion in curved root canals: a laboratory investigation.

Background: It is currently unknown whether rotary file motion affects the best outcome of root canal retreatment. This experimental study compared the efficacy, efficiency, and complications of single-use NiTi rotary files using continuous rotation, reciprocating, and adaptive motions in root canal filling removal in curved root canals. Reciproc blue R25 was used with reciprocating motion (RB), VDW.

Prevalence of complex root canal morphology in the mandibular first and second premolars in Thai population: CBCT analysis.

Background: Mandibular premolars demonstrate high variability in root canal morphology, especially mandibular first premolars. The purposes of this study were to determine the prevalence of root canal configurations of mandibular premolars according to Vertucci classification in a Thai population.

Methods: Total of 1159 CBCT images of Thai patients who received radiographic imaging at the Department of Radiology, Faculty of Dentistry, Chulalongkorn University in 2017-2018 was evaluated.

Reinforcement of Simulated Immature Permanent Teeth after Mineral Trioxide Aggregate Apexification.

Objectives: The objectives of this study were to compare the fracture resistance of simulated human immature teeth that have undergone mineral trioxide aggregate (MTA) apexification and have been root-filled with fiber post, composite resin, MTA, or gutta-percha.

Methods: Fifty-six human permanent maxillary incisors were selected. Ten teeth received no treatment (intact teeth group).

Prevalence of medically compromised conditions in dental patients.

Objectives: To study the prevalence of medically compromised conditions in patients seeking dental treatment at the Faculty of Dentistry, Chulalongkorn University.

Study Design: The files of 58,317 patients seeking dental treatments at the Faculty of Dentistry, Chulalongkorn University from 2002-2004 were retrieved and reviewed for medically compromised conditions.

Results: From a total of 58,317 patients, 7,167 patients (12.