Influence of Micro-Guided Endodontics in a Conservative Access Cavity on Fracture Resistance | ||
| Dental Science Updates | ||
| Volume 6, Issue 2, September 2025, Pages 289-299 PDF (1 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/dsu.2025.348107.1279 | ||
| Authors | ||
| Mohamed Radwan1; Mohamed Ibrahim Rabie2; Hayam Hassan* 3 | ||
| 1Endodontic Department, Faculty of Dentistry, Suez Canal University, Ismailia, Egypt. | ||
| 2Associate Professor, Endodontic Department, Faculty of Dentistry, Suez Canal University, Ismailia, Egypt | ||
| 3Professor & Chairman of Endodontic Department, Faculty of Dentistry, Suez Canal University, Ismailia, Egypt. | ||
| Abstract | ||
| Aim: compare traditional access cavity (TAC) and conservative access cavity (CAC) using micro-guided endodontics, by measuring the volume of dentin removed (VDR) using cone beam computed tomography (CBCT) and fracture resistance (FR) test. Methods: Sixty unidentified extracted human maxillary premolar teeth were collected and divided into three groups: group A subjected to TAC, group B subjected to CAC using micro-guided endodontics, and a control group which remained sound without access cavity preparations. Groups A and B were scanned pre-operatively and post-operatively by CBCT, then subjected to a fracture resistance test using an Instron® universal testing machine after access cavity preparations with a control group. The Mann-Whitney test was used to compare VDR between groups, and the one-way ANOVA test was used to compare fracture resistance between groups. Result: There was no discernible difference in fracture resistance between the CAC and control groups. However, a significant difference was noted between the TAC, CAC, and control groups. FR considerably decreased when VDR increased, and vice versa, indicating a significant negative association between the two variables. There was no discernible difference in fracture resistance between the CAC and control groups. However, a notable distinction was noted between the TAC, CAC, and control groups. VDR and FR showed a substantial negative association, declining significantly when VDR rose and vice versa. Conclusion: According to the study’s limitations, the CAC via micro-guided endodontics approach improved the fracture resistance of endodontically treated teeth contrasted to TAC. | ||
| Keywords | ||
| Traditional access cavity; Conservative access cavity; Volume of dentin removed; Fracture | ||
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