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Effect of anatomical location (mandible vs maxilla) of dental implants on the BMP-2, BMP-7, sRANKL and OPG levels in periimplant crevicular fluid during osseointegration. A pilot study

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2019-12-01T00:00:00Z
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Dündar, Niyazi
Dolanmaz, Doğan
Koçak, Emrah
Gürsoytrak, Burcu
İnan, Özgür
Hakkı, Sema
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Abstract
ABSTRACT Effect of anatomical location (mandible vs maxilla) of dental implants on the BMP-2, BMP-7, sRANKL and OPG levels in peri-implant crevicular fluid during osseointegration. A pilot study Background: The aim of this study was to investigate levels of bone morphogenetic protein-2 (BMP-2), BMP-7, soluble receptor activator of nuclear factor-kB ligand (sRANKL) and osteoprotegerin (OPG) in the peri-implant crevicular fluid (PICF) of implants placed in both maxilla and mandible during the osseointegration period. Materials and Methods: Thirty-three patients (17 females and 16 males; mean age 47.03±11.23 years) were included in this study. A total of 33 implants were placed in both of maxilla (Group 1/n=18) and mandible (group 2/n=15). Peri-implant crevicular fluid (PICF) samples, modified plaque index (MPI), gingival index (GI) and probing depth (PD) measurements were obtained at 1 and 3 months after surgery. PICF levels of BMP-2/-7, sRANKL and OPG were analyzed by ELISA. Results: No complications were observed during the healing period. No significant differences were observed in the PICF levels of sRANKL, OPG, BMP-2 and BMP-7 and evaluated clinical parameters between groups at any time point (p>0.05). While PICF volume of group 2 was greater than group 1 at first month, PICF volume of group 1 was greater than group 2 at 3 months (p<0.05). There was a positive correlation between sRANKL levels and PICF volume (p<0.05) and a strong correlation between BMP-2 and BMP-7 (p<0.01). Conclusion: The results of this pilot study didn’t show any significant difference in PICF levels of BMP-2, BMP-7, sRANKL, and OPG in terms of anatomic location of dental implants. Further welldesigned studies should be carried out to evaluate the relationship between bone related biomarkers and anatomic location of dental implants. KEYWORDS Bone morphogenetic proteins, dental implant, osteoprotegerin, receptor activator of nuclear factor-kappa B
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Sağlam M., Dolanmaz D., Koçak E., Gürsoytrak B., İnan Ö., Dündar N., Hakkı S., -Effect of anatomical location (mandible vs maxilla) of dental implants on the BMP-2, BMP-7, sRANKL and OPG levels in periimplant crevicular fluid during osseointegration. A pilot study -, Selcuk Dental Journal, cilt.6, no.3, ss.261-270, 2019
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