Abstract
Recent studies have focused on achieving sound osseointegration applying methods of surface reprocessing of dental implants using ultraviolet (UV) irradiation. However, there have been few reports on the effect of UV irradiation on osseointegration in both the short and long term, and experimental studies using the canine model do not exist. Therefore, the aim of this study was to determine the short- and long-term degree of osseointegration of dental implants according to UV irradiation using a histometric analysis in canine models. Four beagles were used for this study and 24 dental implants were placed. Six implants were inserted with flapless protocols in each mandible. Half of the implants were UV-irradiated prior to implantation. UV-treated and untreated implants were placed one after the other; implant stability was recorded using the implant stability test (IST) immediately after implantation and every seven days thereafter. Two of the beagles were sacrificed after four weeks and the other two after 12 weeks. The implants were removed in block sections and were evaluated histomorphologically and statistically. As a result, we found no statistically significant differences in the mean IST values and in bone-to-implant contact (BIC) in all groups at 4 and 12 weeks.
Highlights
Rehabilitation of masticatory function using dental implants has become a treatment option [1]
Digital stereolithography (STL) files generated from the intraoral scans and Digital Imaging and Communications in Medicine (DICOM) data acquired from computed tomography (CT) images were merged using a virtual implant planning software (Implant Studio®, 3Shape, Copenhagen, Denmark)
All implants met the basic criteria for implant success; no signs of infection or inflammation were found around the bone block implants at the time of sacrifice
Summary
Rehabilitation of masticatory function using dental implants has become a treatment option [1]. One of the most important considerations for the success of dental implants is the occurrence of osseointegration [2,3]. Osseointegration can be influenced by numerous factors. Marco et al reported that osseointegration can be affected by design of the implant, chemical composition, topography of the surface, and materials such as shape, length, and diameter [4]. Soballe et al stated that the mechanical stability and loading conditions can affect osseointegration [5]. Linder et al stressed that the status of the host bone bed and its intrinsic healing potential should be considered as important factors for successful osseointegration [6]
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