Akademik Veri Yönetim Sistemi
Bezmiâlem Science, cilt.12, sa.1, ss.71-77, 2024 (ESCI)
Objective: The aim of this study was to evaluate the impact of filling irregularly bounded internal resorption cavities created by acid demineralization using different filling techniques on the quality of the filling. Methods: A total of 54 extracted single-rooted teeth were sectioned mesiodistally. Each tooth segment was subjected to 5% nitric acid for 12 hours followed by 8% sodium hypochlorite for 10 minutes. Samples were rinsed with distiled water between the two solutions. The demineralization protocol was renewed every 24 hours and applied for 11 days. At the end of the process, the teeth were reassembled, and randomly divided into six groups, each containing 9 samples: 1. Group 1: AH Plus + Cold Lateral Condensation Technique, 2. Group 2: AH Plus + Thermoplastic Injection Technique, 3. Group 3: T-Endo Bioserra + Cold Lateral Condensation Technique, 4. Group 4: T-Endo Bioserra + Thermoplastic Injection Technique, 5. Group 5: GuttaFlow 2, 6. Group 6: GuttaFlow 2 + Single-Cone Technique. Filling quality was evaluated by determining the percentage of gutta-percha, sealer, and remaining voids in the resorption cavities through stereomicroscopic examination.Results: The group filled with AH Plus sealer using the cold lateral condensation technique showed a significantly higher gutta-percha percentage compared to the other groups (p<0.05). The GuttaFlow 2 group, applied with the single-cone technique, exhibited the highest gutta-percha percentage (99.01%). When the cold lateral condensation and thermoplastic injection techniques were compared based on sealer contents, no statistically significant difference in gutta-percha percentage in the resorption cavities was observed (p=0.136). Conclusion: Our study demonstrated that none of the obturation techniques used achieved complete filling in the resorption cavities. However, the use of GuttaFlow 2 with the single-cone technique showed superior filling quality, demonstrating excellent adaptation to the root canal walls and ease of application.