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. 2024 Oct 16;12(10):330.
doi: 10.3390/dj12100330.

ProDesign Logic Files Effect on Apical Foramen Wear and Shape Transformation After Foraminal Enlargement

Affiliations

ProDesign Logic Files Effect on Apical Foramen Wear and Shape Transformation After Foraminal Enlargement

Miguel Christian Castillo Marin et al. Dent J (Basel). .

Abstract

Background/objectives: This study aimed to evaluate the effect of ProDesign Logic files 45.01 and 50.01 on apical foramen wear and shape transformation after foraminal enlargement at tooth length (TL) and 1 mm beyond.

Methods: Sixty freshly extracted single-rooted lower human premolars teeth were distributed randomly into five groups (n = 12): Group 1 (40.05 WL) (control): No foraminal enlargement, Group 2 (45.01 TL): Specimens underwent foraminal enlargement with 45.01 Prodesign Logic file at TL; Group 3 (45.01 TL + 1): Specimens underwent foraminal enlargement with 45.01 Prodesign Logic file at 1 mm beyond TL; Group 4 (50.01 TL): Specimens underwent foraminal enlargement with 50.01 Prodesign Logic file at TL; Group 5 (50.01 TL + 1): Specimens underwent foraminal enlargement with 50.01 Prodesign Logic file at 1 mm beyond TL. Scanning electron microscopy was used to evaluate apical foramen variations and shape alterations. Data were analyzed by Student's t-test, Kruskal-Wallis, and Mann-Whitney test.

Results: Significant differences (p < 0.01) were observed among all tested groups compared to the control group in terms of the average worn area of the apical foramen. Foraminal enlargement led to significant shape transformation, resulting in round-shaped foramina.

Conclusion: ProDesign Logic 45.01 and 50.01 files at TL causes notable wear and round-shaped foramina.

Keywords: apical foramen; foraminal enlargement; root canal preparation.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Mean and standard deviation (SD) of apical foramen area measurement (in pixels) before and after the treatments.
Figure 2
Figure 2
Mean and standard deviation (SD) of the worn area measurement (in pixels) after the treatments. Different uppercase letters (A, and B) indicate statistically significant differences among the groups.
Figure 3
Figure 3
Overlay of SEM images of the apical foramen before and after instrumentation in the different groups. From the first to the last, the groups: 40.05 WL, 45.01 TL, 45.01 TL + 1, 50.01 TL, and 50.01 TL + 1.
Figure 4
Figure 4
Mean and standard deviation (SD) in pixels and variance analysis of the coefficient of variation of the apical foramen before and after treatments.

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