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Fig. 2 | International Journal of Implant Dentistry

Fig. 2

From: Influence of the bone graft materials used for guided bone regeneration on subsequent peri-implant inflammation: an experimental ligature-induced peri-implantitis model in Beagle dogs

Fig. 2

Surgical procedures. a Intrabony defects (3 mm [mesio-distal width] × 2 mm [bucco-lingual width] × 3 mm [depth]) were created and implants were placed at their center. b Left-sided defects were filled with deproteinized bovine bone minerals. Right-sided defects were filled with autograft. cTwelve weeks after implant placement, the cover screw was removed and the healing abutment was placed. d Four weeks after placing the healing abutment, a 3–0 silk ligature was placed. e Four weeks after placing the ligature to induce peri-implantitis, plaque accumulation and gingival redness were observed

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