Background. Scientific evidence in the field of implant dentistry of the past 20 years established that titanium rough surfaces have shown improved osseointegration rates. In a majority of dental implants, the surface microroughness was obtained by grit blasting and/or acid etching. The aim of the study was to evaluatein vivotwo different highly hydrophilic surfaces at different experimental times.Methods. Calcium-modified (CA) and SLActive surfaces were evaluated and a total of 18 implants for each type of surface were positioned into the rabbit articular femoral knee-joint in a split model experiment, and they were evaluated histologically and histomorphometrically at 15, 30, and 60 days of healing.Results. Bone-implant contact (BIC) at the two-implant surfaces was significantly different in favor of the CA surface at 15 days (p=0.027) , while SLActive displayed not significantly higher values at 30 (p=0.51) and 60 days (p=0.061) .Conclusion. Both implant surfaces show an intimate interaction with newly formed bone.
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Piattelli et al. (2017) studied this question.
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