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Open AccessArticle

Histological Change in Soft Tissue Surrounding Titanium Plates after Jaw Surgery

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Department of Oral and Maxillofacial Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania
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Department of Pathology, Iuliu Hatieganu University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania
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Department of Implantology and Maxillofacial Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania
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Department of ENT Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania
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Author to whom correspondence should be addressed.
Materials 2019, 12(19), 3205; https://doi.org/10.3390/ma12193205
Received: 3 September 2019 / Revised: 26 September 2019 / Accepted: 27 September 2019 / Published: 30 September 2019
(This article belongs to the Special Issue Selected Papers from BIOMMEDD 2018 Conference—Biomaterials)
The aim of this study was to evaluate the microscopic structure of soft tissue covering titanium plates and screws used in jaw surgery (mandible fracture and orthognathic surgery), after a minimum period of 12 months from insertion, and to quantify the presence of any metallic particles. Periosteum covering the osteosynthesis plates was removed from 20 patients and examined by light microscopy in order to assess the cell morphological changes and the possibility of metal particles presence in the soft tissue. Local signs of tissue toxicity or inflammation were taken into consideration when evaluating the routine removal of titanium maxillofacial miniplates. No signs of screw loosening or acute inflammation were detected on the osteosynthesis site, but de-coloration of the periosteum was seen, and metallic particles were observed to have migrated into the soft tissues. Even if the titanium is well-tolerated by the human body in time, without severe local or general complications, our findings suggest that plate removal should be considered after bone healing has occurred. View Full-Text
Keywords: titanium; miniplates; osteosynthesis; Ti particles; implants titanium; miniplates; osteosynthesis; Ti particles; implants
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MDPI and ACS Style

Armencea, G.; Gheban, D.; Onisor, F.; Mitre, I.; Manea, A.; Trombitas, V.; Lazar, M.; Baciut, G.; Baciut, M.; Bran, S. Histological Change in Soft Tissue Surrounding Titanium Plates after Jaw Surgery. Materials 2019, 12, 3205.

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