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Effects of photofunctionalization on early osseointegration of titanium dental implants in the maxillary posterior region: a randomized double-blinded clinical trial

 Bada Choi  ;  Ye Chan Lee  ;  Kyung Chul Oh  ;  Jae Hoon Lee 
 IMPLANT DENTISTRY, Vol.7(1) : 37, 2021-05 
Journal Title
Issue Date
Bone quality ; Early osseointegration ; Maxillary posterior region ; Photofunctionalization ; Titanium dental implants
Background: This study aimed to investigate the effects of ultraviolet (UV) photofunctionalization on the stability of implants during the early phase in the posterior region of the maxilla. The study was a randomized double-blinded clinical trial. Half of the participants received conventional commercial implants while the other half received UV-irradiated implants. The surgical sites were classified into three bone quality groups (II, III, IV) based on the grayscale value measured on cone-beam computed tomography. The values obtained from resonance frequency analysis were recorded immediately after implant placement and at 4 weeks and at 4 months postoperatively. The marginal bone level of the implants was evaluated using periapical radiographs at 4 weeks, 4 months, and 1 year postoperatively. Results: Fifty-seven implants placed in 34 participants were analyzed in this study. In group III, significant differences were observed in terms of the differences of resonance frequency analysis values at 4 weeks (p = 0.004) and 4 months (p = 0.017) postoperatively. In group II, the UV-treated group showed significantly lesser bone loss at 4 weeks post-operatively (p = 0.037). Conclusions: Within the limitation of the present study, we concluded that UV surface treatment on implants may increase the initial stability in the region of the maxilla with poor bone quality.
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2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Oh, Kyung Chul(오경철) ORCID logo https://orcid.org/0000-0003-4584-2597
Lee, Ye-Chan(이예찬)
Lee, Jae Hoon(이재훈) ORCID logo https://orcid.org/0000-0003-2281-8885
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