Effect of implant surface properties on peri-implant bone healing: a histological and histomorphometric study in dogs.

Khalid Al-Hamdan, Samar H Al-Moaber, Rüdiger Junker, John A Jansen

Department of Periodontology and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.

Journal Article: Clinical Oral Implants Research (impact factor: 2.92). 04/2011; 22(4):399-405. DOI: 10.1111/j.1600-0501.2010.02106.x

Abstract

The present study aimed to evaluate and compare two types of implants, i.e. grit-blasted and acid-etched implants (SLActive(®)) with nano-meter-scale hydroxyapatite surface-modified implants (NanoTite™).
For histological and histomorphometrical evaluation, 22 SLActive(®) and 22 Nanotite™ implants were inserted in eleven Beagle dogs. The animals were divided into three groups of healing (A: 2 weeks; B: 4 weeks and C: 8 weeks). Two, 4 and 8 weeks after implantation, the animals were sacrificed and bone-to-implant contact (BIC %), first implant-bone contact (1st BIC) as well as amount of bone (BV) were assessed.
For SLActive(®) and Nanotite™ implants, BIC% increased significantly over time. No statistically significant differences in BIC% were found between SLActive(®) and Nanotite™ at all the respective implantation times. Moreover, for the different healing periods, no significant differences for BV between SLActive(®) and Nanotite™ implants were found.
The present study showed that SLActive(®) and NanoTite™ implants induce a similar bone response after implantation for 2, 4 and 8 weeks in a non-submerged position in the mandible of dogs.

Source: PubMed

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Keywords

2 weeks
 
22 Nanotite™ implants
 
4 weeks
 
8 weeks
 
acid-etched implants
 
BIC %
 
bone-to-implant contact
 
different healing periods
 
first implant-bone contact
 
grit-blasted
 
histomorphometrical evaluation
 
implants
 
nano-meter-scale hydroxyapatite surface-modified implants
 
NanoTite™
 
Nanotite™ implants
 
NanoTite™ implants induce
 
non-submerged position
 
respective implantation times
 
similar bone response
 
statistically significant differences