J Dent Rehabil Appl Sci.  2020 Jun;36(2):138-144. 10.14368/jdras.2020.36.2.138.

Management of peri-implantitis associated with tear-like implant fracture: case reports

• Kim YT
• Lee JH
• Jeong SN

• KMID: 2503810
• DOI: http://doi.org/10.14368/jdras.2020.36.2.138

Abstract

Implant fracture is rare, but one of the most serious problem in implantation. Treatment of implant fracture can be different according to the extent of the fracture and on the state of the surrounding prosthetic restoration. Maintaining or submerging implant after treatment of peri-implantitis can be useful options for cases of tear-like fracture on the coronal area of an implant.

Keyword

dental implants; fractures; peri-implantitis

Figure

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  Fig. 1 Periapical radiography of case 1. (A) Prosthesis delivery on December 2013. (B) There are no major clinical symptoms detected at 4-years follow up. (C) Rapid and aggressive peri-implant bone loss on the #46 implant occurred with prosthesis agitation 4 month after last follow up.

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  Fig. 2 (A) Intraoral photograph of peri-implnatitis surgery of case 1: Peri-implant bone loss with buccal and mesial implant fracture lines were observed. After removing the fragment and surface decontamination, xenobone grafting combination with enamel matrix derivates were performed around the defect area. (B) Removed fractured fragement. Fragment size: 2 x 3 mm.

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  Fig. 3 (A) Intraoral photograph of case 1: no specific sign at 3 month follow up. (B) Periapical radiography: 3 month follow up after peri-implantitis surgery with indicating defect fill. (C) On 15 month follow up periapical radiography, surgical site is maintained stable without any abnormal sign.

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  Fig. 4 Periapical radiography of case 2: Periimplant bone loss on the #35 implant was detected approximately 5 years after implantation.

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  Fig. 5 (A) Intraoral photograph of peri-implnatitis surgery of case 2: Buccal bone loss and buccal implant fractures were observed. After removing the fragment, mechanical debridement and chemical decontamination were performed. (B) Removed fractured fragement. Fragement size: 1.5 x 3 mm.

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  Fig. 6 Intraoral photograph of case 2: 2 weeks after periimplantitis surgery, healing with buccal fractured line is exposed. After surgery, the implant functioned stably for 5 months.

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  Fig. 7 Periapical radiography of case 2: A radiograph with a healing abutment on #36, 37 implants to fix the prosthesis. 5 months after peri-implantitis surgery, due to fractured part, mobility and retention loss of restoration occurred. It was planned to remain submerged a #35 implant and removed it later if necessary.

Reference

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