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Implant Dent. 2014 Jun;23(3):295-304. doi: 10.1097/ID.0000000000000065.

Fractal analysis of ibuprofen effect on experimental dog peri-implantitis.

Author information

1
*Associate Professor, Department of Pathophysiology, Faculty of Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania. †Associate Professor, Department of AET, Discipline of Descriptive Geometry and Engineering Graphics, Faculty of Mechanical Engineering, Technical University, Cluj-Napoca, Romania. ‡Assistant Professor, Department of Pathology, Faculty of Veterinary Medicine, University of Agriculture and Veterinary Medicine, Cluj-Napoca, Romania. §PhD Student, Department of Pathology, Faculty of Veterinary Medicine, University of Agriculture and Veterinary Medicine, Cluj-Napoca, Romania. ‖Lecturer, Department of Physiology, Faculty of Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania. ¶Professor, Electron Microscopy Center, Babeş-Bolyai University, Cluj-Napoca, Romania. #Associate Professor, Department of Propedeutics and Dental Materials, Faculty of Dental Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania. **Doctoral Student, Department of Information Systems and Computing, Brunel University, London, United Kingdom. ††Lecturer, Department of Periodontology, Faculty of Dental Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.

Abstract

INTRODUCTION:

The aim of this study was to assess the correlation between the fractal analysis of gingival changes and systemic nitro-oxidative stress in a short-term low-dose ibuprofen (IBU) treatment at experimental peri-implantitis (PI).

MATERIALS AND METHODS:

Six adult male mixed-breed dogs with PI were randomly treated for 2 weeks, 3 with IBU (5 mg/kg b.w.) and 3 with placebo. Clinical and radiological evaluation were performed. Gingival biopsies were assessed by light microscopy, transmission electron microscopy, and fractal analysis. Blood was collected to assay nitric oxide (NOx), total oxidative status (TOS), total antioxidant response (TAR), and oxidative stress index (OSI).

RESULTS:

Specific gingival ultrastructural alterations, bone loss, and systemic nitro-oxidative stress were evident in PI-placebo animals. IBU caused significant clinical, microscopic, fractal dimensions (P < 0.01), NOx, TOS, and OSI improvements. IBU caused no important bone and TAR changes.

CONCLUSION:

This study confirms that fractal analysis was a good method to assess the complex morphological changes and correlations with the nitro-oxidative stress in PI. Short-term low-dose IBU treatment consistently improved gingival status and reduced systemic nitro-oxidative stress.

PMID:
24844390
DOI:
10.1097/ID.0000000000000065
[Indexed for MEDLINE]

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