Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Jakse, N; Payer, M; Tangl, S; Berghold, A; Kirmeier, R; Lorenzoni, M.
Influence of low-level laser treatment on bone regeneration and osseointegration of dental implants following sinus augmentation. An experimental study on sheep.
Clin Oral Implants Res. 2007; 18(4): 517-524.
Doi: 10.1111/j.1600-0501.2007.01369.x
Web of Science
PubMed
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- Führende Autor*innen der Med Uni Graz
- Jakse Norbert
- Co-Autor*innen der Med Uni Graz
- Berghold Andrea
- Kirmeier Robert
- Lorenzoni Martin
- Payer Michael
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- Abstract:
- The aim of this experimental study was to evaluate if low-level laser treatment (LLLT) enhances bone regeneration and osseointegration of dental implants in a sinus graft model. Twelve sheep underwent a bilateral sinus floor elevation procedure with cancellous bone from the iliac crest. Implant insertion followed 4 weeks (six sheep) and 12 weeks (six sheep) later. Sixteen weeks after second-stage surgery, animals were sacrificed. Unilaterally, the grafted sinus and during the second-stage surgery the implant sites were irradiated intraoperatively and three times during the first postoperative week with a diode laser (75 mW, 680 nm). The overall energy density per irradiation was 3-4 J/cm(2). Biopsies of the augmented area were obtained during implant insertion and after scarification. Bone regeneration within the grafted sinus histomorphometric analysis hardly differed between control and test side both 4 and 12 weeks after sinus grafting. Osseointegration measurements resulted in a significantly higher bone/implant contact (BIC) on the test side (P=0.045). Further evaluation of peri-implant bone tends to amount in significant higher percentage on the laser side (P=0.053). The presented experimental study on sheep did not confirm a positive LLLT effect on bone regeneration within a cancellous sinus graft. Nevertheless, LLLT possibly has a positive effect on osseointegration of dental implants inserted after sinus augmentation.
- Find related publications in this database (using NLM MeSH Indexing)
- Analysis of Variance -
- Animals -
- Bone Regeneration - radiation effects
- Bone Transplantation -
- Dental Implantation, Endosseous -
- Dental Implants -
- Female -
- Laser Therapy, Low-Level -
- Linear Models -
- Maxillary Sinus - surgery
- Oral Surgical Procedures, Preprosthetic -
- Osseointegration - radiation effects
- Sheep -