Journal
CLINICAL ORAL IMPLANTS RESEARCH
Volume 22, Issue 1, Pages 38-46Publisher
WILEY
DOI: 10.1111/j.1600-0501.2010.01988.x
Keywords
dental implant; fresh extraction sockets; immediate loading; immediate placement
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Objective To evaluate the effect of the timing of loading on bone-to-implant contact (BIC) following immediate placement of implants with a hydrophilic sandblasted, large-grit and acid-etched surface (modSLA) into fresh extraction sockets in a minipig model. Material and methods Six minipigs were used in this study. In each hemi-mandible, two conical shape implants (TE, Straumann implants) with a hydrophilic surface (modSLA) were placed in fresh extraction sockets. In one side of the mandible (control), two implants were immediately placed in fresh extraction sockets. The implants were loaded after 4 weeks of healing. At the contralateral side (test), two implants were immediately placed and loaded. After 8 weeks of healing, the animals were sacrificed and histologically analysed. Results During the experimental period, no implants were lost and all of them presented to be osseointegrated. The percentage of BIC was similar in both groups: 66.1% and 65.1% for the control and test group, respectively. Furthermore, the distance from the shoulder of the implant to bone crest and the distance from the shoulder to the first BIC were similar in both groups. Conclusion Immediate implant placement and loading showed similar BIC with immediate placement and delayed loading when implants with a modSLA surface were used. Both procedures showed similar buccal bone crest levels, which presented some resorption irrespective of the treatment modality. To cite this article:Linares A, Mardas N, Dard M, Donos N. Effect of immediate or delayed loading following immediate placement of implants with a modified surface.Clin. Oral Impl. Res. 22, 2011; 38-46.doi: 10.1111/j.1600-0501.2010.01988.x.
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