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Article

Argon Bioactivation of Implants Installed Simultaneously to Maxillary Sinus Lifting without Graft. An Experimental Study in Rabbits

1
Department of Oral Implantology, Osaka Dental University, Osaka 565-0871, Japan
2
ARDEC Academy, 47923 Rimini, Italy
3
ARDEC Foundation, Cartagena de Indias 130001, Colombia
4
Department of Prosthodontics and Digital Technology, School of Dental Medicine, Stony Brook University, New York, NY 11794-8712, USA
5
Department of Oral and Maxillofacial Surgery and Periodontology, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo 14040-904, Brazil
*
Author to whom correspondence should be addressed.
Academic Editor: Luca Testarelli
Received: 2 August 2021 / Revised: 25 August 2021 / Accepted: 1 September 2021 / Published: 6 September 2021
Background: The treatment of the surface of titanium implants with argon plasma improved its hydrophilicity and cell adhesion, resulting in higher bone apposition on implant and graft surfaces. The spontaneous perforation over time of the sinus mucosa after sinus augmentation has been documented in experimental studies at both implants and graft particles. The aim of the present study was to evaluate the influence of plasma argon treatment of the implant surface on bone apposition and on the rate of sinus mucosa perforations. Methods: A sinus lifting procedure was performed bilaterally in sixteen rabbits, and implants, either treated with argon plasma or left without treatment (control), were placed simultaneously without grafts. After 8 weeks, histological analyses were carried out. Results: A collapse of the sinus mucosa was observed at all implants. Twenty-four out of thirty-two implants presented sinus mucosa perforations at the apex. Several perforations were also found at the threads. Thinned mucosa sites (width < 40 µm) were found around almost all implants. About 2.6–2.9 mm of the apical regions of the implant did not present signs of osseointegration and about 1.3 mm were exposed to the sinus cavity. No statistically significant differences were found between plasma and control sites. Conclusions: In conclusion, the sinus mucosa was damaged and perforated by direct contact with treated and non-treated implant surfaces. The treatment of the implant surface with argon plasma did not affect the outcomes. View Full-Text
Keywords: animal study; sinus floor elevation; bone healing; Schneiderian membrane; histology animal study; sinus floor elevation; bone healing; Schneiderian membrane; histology
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MDPI and ACS Style

Omori, Y.; Botticelli, D.; Ferri, M.; Delgado-Ruiz, R.; Ferreira Balan, V.; Porfirio Xavier, S. Argon Bioactivation of Implants Installed Simultaneously to Maxillary Sinus Lifting without Graft. An Experimental Study in Rabbits. Dent. J. 2021, 9, 105. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9090105

AMA Style

Omori Y, Botticelli D, Ferri M, Delgado-Ruiz R, Ferreira Balan V, Porfirio Xavier S. Argon Bioactivation of Implants Installed Simultaneously to Maxillary Sinus Lifting without Graft. An Experimental Study in Rabbits. Dentistry Journal. 2021; 9(9):105. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9090105

Chicago/Turabian Style

Omori, Yuki, Daniele Botticelli, Mauro Ferri, Rafael Delgado-Ruiz, Vitor Ferreira Balan, and Samuel Porfirio Xavier. 2021. "Argon Bioactivation of Implants Installed Simultaneously to Maxillary Sinus Lifting without Graft. An Experimental Study in Rabbits" Dentistry Journal 9, no. 9: 105. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9090105

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