ALTERNATIVE TECHNIQUE FOR RETAINING FRACTURED BALL ABUTMENTS TO EXISTING MANDIBULAR OVERDENTURES—A CASE REPORT
by Merve Dede (Turkey), Waleed Ali, Onur Geckili, Burc Gencel

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Objectives: Complications with implant prosthesis have been categorised as surgical complications, implant loss, bone loss, peri-implant soft tissue complications, mechanical complications and aesthetic complications. Fractures of implant components, especially abutments, may occur due to fatigue from biomechanical overload, improper placement techniques or manufacturing errors. The aim of this case report is to present a useful technique in cases in which ball abutments are fractured and unable to be removed. Methods: A 49-year-old woman presented to the department of Prosthodontics at Istanbul University. She had been wearing a maxillary complete denture and a mandibular overdenture supported by two implants for 5 years. She complained about the loss of retention of the lower overdenture. On clinical evaluation, we discovered that one of the ball abutments was fractured and therefore retention was lost. We tried to remove the fractured abutment from the implant body using a Straumann service set and a conventional method, but the result was unsatisfactory and the fractured abutment could not be recovered. Therefore a new technique was attempted without removing the implant body. Results: At the 6-month follow-up, radiological and clinical examination revealed no problems in the marginal bone around the implant and soft tissue. Conclusion: This technique appeared successful and avoided the use of invasive surgical methods.
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Content Type:
Poster
Publication date:
05/01/2016
Publisher: