Surface characterization and in vivo evaluation of laser sintered and machined implants followed by resorbable-blasting media process: A study in sheep
Bowers, Michelle; Yoo, Daniel; Marin, Charles; Gil, Luiz; Shabaka, Nour; Goldstein, Matt; Janal, Malvin; Tovar, Nick; Hirata, Ronaldo; Bonfante, Estevam; Coelho, Paulo.
Med. oral patol. oral cir. bucal (Internet)
; 21(2): e206-e213, mar. 2016. ilus, graf
Artigo
em Inglês
| IBECS (Espanha) | ID: ibc-151066
BACKGROUND:
This study aimed to compare the histomorphometric and histological bone response to laser-sintered implants followed by resorbable-blasting media (RBM) process relative to standard machined/RBM surface treated implants. MATERIAL ANDMETHODS:
Six male sheep (n=6) received 2 Ti-6Al-4V implants (1 per surface) in each side of the mandible for 6 weeks in vivo. The histomorphometric parameters bone-implant contact (BIC) and bone area fraction occupancy (BAFO) were evaluated.RESULTS:
Optical interferometry revealed higher Sa and Sq values for the laser-sintered/RBM surface in relation to standard/RBM implants. No significant differences in BIC were observed between the two groups (p > 0.2), but significantly higher BAFO was observed for standard/RBM implants (p < 0.01).CONCLUSIONS:
The present study demonstrated that both surfaces were biocompatible and osseoconductive, and the combination of laser sintering and RBM has no advantage over the standard machined implants with subsequent RBM
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