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CC BY-NC-ND 4.0 · Eur J Dent 2013; 07(02): 186-190
DOI: 10.4103/1305-7456.110168
Original Article
Dental Investigation Society

Evaluation of two different root-end cavity preparation techniques: A scanning electron microscope study

Seda Aydemir
1   Department of Endodontics, Faculty of Dentistry, Kocaeli University, Kocaeli, Turkiye
,
Hale Cimilli
2   Department of Restrorative Dentistry, Faculty of Dentistry, Marmara University, Istanbul, Turkiye
,
Afife Binnaz Hazar Yoruç
3   Department of Metallurgical and Materials Engineering, Yildiz Technical University, Istanbul, Turkiye
,
Nevin Kartal
2   Department of Restrorative Dentistry, Faculty of Dentistry, Marmara University, Istanbul, Turkiye
› Author Affiliations
Further Information

Publication History

Publication Date:
25 September 2019 (online)

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ABSTRACT

Objective: In this study, we aimed to evaluate and compare the dentinal walls of root-end cavities for the presence of cracks after cavity preparation using US retrotips and Er: YAG laser. Materials and Methods: Fifty single-rooted teeth were prepared by Protaper NiTi rotary system and obturated by lateral condensation. Three milimeters of root-end was resected. Twenty teeth were prepared with US retrotip (Group 1), 20 teeth with Er: YAG laser (Group 2), and 10 teeth without retropreparation (control group). The root-end surfaces were examined under a scanning electron microscope (SEM). Then the cracks of the resected root surfaces were evaluated on microphotographs. Results: No statistically significant difference was detected between US Group and Laser Group for complete, incomplete, intradentinal, and total number of cracks (P = 0.47, P = 0.80, P = 0.69, P = 0.869, respectively). Conclusion: Statistical analysis revealed no significant effect of retropreparation technique on the development of apical cracks (P > 0.05).

Er: YAG laser - retropreparation - root-end cavity - ultrasonic retrotips
 

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