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Ultima descărcare din IBN: 2023-03-01 09:56 |
SM ISO690:2012 PABST , Andreas Max, ASRAN, Ashraf Sh, LUERS, Steffen, LAUB, Markus, HOLFELD, Christopher, PĂLĂRIE, Victor, THIEM, Daniel G.E., BECKER, Philipp, HARTMANN, Amely, HEIMES, Diana, AL-NAWAS, Bilal, KAMMERER, Peer Wolfgang. Osseointegration of a New, Ultrahydrophilic and Nanostructured Dental Implant Surface: A Comparative In Vivo Study. In: Biomedicines, 2022, vol. 10, pp. 1-15. ISSN -. DOI: https://doi.org/10.3390/biomedicines10050943 |
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Biomedicines | |
Volumul 10 / 2022 / ISSN - /ISSNe 2227-9059 | |
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DOI:https://doi.org/10.3390/biomedicines10050943 | |
Pag. 1-15 | |
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Rezumat | |
This study compared the osseointegration of acid-etched, ultrahydrophilic, micro-and nanostructured implant surfaces (ANU) with non-ultra-hydrophilic, microstructured (SA) and non-ultrahydrophilic, micro-and nanostructured implant surfaces (AN) in vivo. Fifty-four implants (n = 18 per group) were bilaterally inserted into the proximal tibia of New Zealand rabbits (n = 27). After 1, 2, and 4 weeks, bone-implant contact (BIC, %) in the cortical (cBIC) and spongious bone (sBIC), bone chamber ingrowth (BChI, %), and the supra-crestal, subperiosteal amount of newly formed bone, called percentage of linear bone fill (PLF, %), were analyzed. After one week, cBIC was significantly higher for AN and ANU when compared to SA (p = 0.01 and p = 0.005). PLF was significantly increased for ANU when compared to AN and SA (p = 0.022 and p = 0.025). After 2 weeks, cBIC was significantly higher in SA when compared to AN (p = 0.039) and after 4 weeks, no significant differences in any of the measured parameters were found anymore. Ultrahydrophilic implants initially improved osseointegration when compared to their non-ultrahydrophilic counterparts. In accordance, ultrahydrophilic implants might be appropriate in cases with a necessity for an accelerated and improved osseointegration, such as in critical size alveolar defects or an affected bone turnover. |
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Cuvinte-cheie acid-etched, implant, micro-and nanostructured, osseointegration, sand-blasted, ultrahydrophilic |
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