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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/14742

Title: Infrared laser light reduces loading time of dental implants: a raman spectroscopic study
Other Titles: Photomedicine and Laser Surgery
Authors: Lopes, Cibelle Barbosa
Pinheiro, Antonio Luiz Barbosa
Sathaiah, Sokki
Duarte, Janaína
Martins, Maria Cristina
Keywords: Dental implants;Lasers
Issue Date: 2005
Abstract: Objective: The aim of this study was to assess, through near-infrared Raman spectroscopy (NIRS), the incorporation of hydroxyapatite of calcium (CHA; 960 cm–1)—on the healing bone around dental implants submitted or not to low-level laser therapy (LLLT) (λ830 nm). Background Data: The process of maturation of the bone is important for the success of dental implants, as it improves the fixation of the implant to the bone, allowing the wearing of a prosthesis. LLLT has been suggested as a mean of improving bone healing because of its biomodulatory capabilities. Methods: Fourteen rabbits received a titanium implant on the tibia; eight of them were irradiated with λ830-nm laser (seven sessions at 48-h intervals, 21.5 J/cm2 per session, 10 mW, 0.0028 cm2, 85 J/cm2 treatment dose), and six acted as control. The animals were sacrificed at 15, 30, and 45 days after surgery. Specimens were routinely prepared for Raman spectroscopy. Twelve readings were taken on the bone around the implant. Results: The results showed significant differences in the concentration of CHA on irradiated and control specimens at both 30 and 45 days after surgery (p < 0.001). Conclusion: It is concluded that LLLT does improve bone healing, and this can be safely assessed by Raman spectroscopy.
Description: Texto completo: acesso restrito. p. 27-31
URI: http://repositorio.ufba.br/ri/handle/ri/14742
ISSN: 1549-5418
Appears in Collections:Artigos Publicados em Periódicos (Odontologia)

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