Browsing by Subject "Ultraviolet"

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    Effects of ultraviolet photoactivation on osseointegration of commercial pure titanium dental implant after 8 weeks in a rabbit model
    (American Academy of Implant Dentistry, 2020-06-01) Sánchez Pérez, Arturo Joaquín; Cachazo-Jiménez, Carlos; Sánchez-Matás, Carmen; Martín-de-llano, José Javier; Davis, Scott; Carda-Batalla, Carmen; Dermatología, Estomatología, Radiología y Medicina Física; Facultad de Medicina
    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.