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Clinical Oral Investigations

, Volume 23, Issue 9, pp 3645–3651 | Cite as

Effects of root-end filling on the fractal dimension of the periapical bone after periapical surgery: retrospective study

  • Zeliha Uğur AydınEmail author
  • Orçun Toptaş
  • Duygu Göller Bulut
  • Neşet Akay
  • Tolgahan Kara
  • Nihat Akbulut
Original Article
  • 109 Downloads

Abstract

Objective

The aim of this study was to investigate the effects of root-end filling after periapical surgery on the fractal dimension (FD) of the periapical bone.

Methods

Thirty-eight patients who underwent periapical surgery were included in this study. The cases were divided into two subgroups: (1) In the gutta-percha group, root cavity and root-end fillings were not performed after root resection. In this group, there were 14 female patients and 6 male patients. (2) In the mineral trioxide aggregate (MTA) group, the root end was filled with MTA after root resection. In this group, there were 13 female patients and 5 male patients. Each patient underwent two periapical radiographs, one shortly after periapical surgery (10–15 days) and another one 1 year after periapical surgery. Regions of interest (ROIs) located close to the infected root apex were selected for each radiograph. Periapical radiographs were digitized and processed with an FD analysis using the box-counting method.

Results

FD was significantly increased in both groups over time (p < 0.05). The increases in FD between groups were not significant (p > 0.05).

Conclusions

Mathematical morphology combined with the box-counting method showed that the FD change was independent of the root-end filling at the 1-year follow-up after periapical surgery.

Clinical relevance

Because of the complex anatomy of the root canal, orthograde endodontic treatment may be inadequate and periapical surgery becomes an alternative in these cases. In this study, the effect of root-end filling on the increase in trabecular bone after periapical surgery was investigated using fractal analysis.

Keywords

Gutta-Percha Fractal analyses MTA Periapical surgery Root-end filling 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors. The study was approved by the Ethics Committee of Bolu Abant Izzet Baysal University, (X). The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.

Informed consent

The Ethics Committee approved the informed consent dismissal.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Faculty of Dentistry, Department of EndodonticsBolu Abant Izzet Baysal UniversityBoluTurkey
  2. 2.Faculty of Dentistry Oral and Maxillofacial Surgery DepartmentBolu Abant Izzet Baysal UniversityBoluTurkey
  3. 3.Faculty of Dentistry, Department of Dentomaxillofacial RadiologyBolu Abant Izzet Baysal UniversityBoluTurkey
  4. 4.Faculty of Dentistry, Oral and Maxillofacial Surgery DepartmentTokat Gaziosmanpasa UniversityTokatTurkey

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