Publication: Effects of ultraviolet photoactivation on osseointegration of commercial pure titanium dental implant after 8 weeks in a rabbit model
Authors
Sánchez Pérez, Arturo Joaquín ; Cachazo-Jiménez, Carlos ; Sánchez-Matás, Carmen ; Martín-de-llano, José Javier ; Davis, Scott ; Carda-Batalla, Carmen
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Facultad de Medicina
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Publisher
American Academy of Implant Dentistry
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DOI
https://doi.org/10.1563/aaid-joi-D-19-00122
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info:eu-repo/semantics/article
Description
Abstract
This study investigated whether a 6-Watt ultraviolet C-lamp was capable of producing photofunctionalization on commercial implants during a medium observation term of 8 weeks. A total of 20 implants were inserted in 5 New Zealand rabbits, with each animal receiving 2 implants per tibia (one photofunctionalized and one untreated), according to a previously established randomization sequence. All implants were inserted by a single surgeon following the manufacturer's instructions. Histological analysis was performed by an evaluator who was blinded to the treatment condition. After 8 weeks of healing, the 2 groups showed no statistically significant differences in terms of bone-to-implant contact. Compared to control implants, the photofunctionalized implants showed improved wettability and more homogenous results. Within the limits of the present study, the use of this 6-W ultraviolet C-lamp, for an irradiation time of 15 minutes at a distance of 15 cm, did not improve the percentages of bone-to-implant contact in rabbits at an osseointegration time of 8 weeks.
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Citation
Journal of Oral Implantology, vol.46, nº2, 2020
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