Application of a narrow-diameter implant in a limited space

Received 25 February 2010; accepted 2 May 2010.

This report presents a case of inadequate space distribution after orthodontic treatment, when a narrow-diameter implant was placed in a limited mandibular anterior space (ridge and prosthetic). A 26-year-old female patient presented with a purulent discharge from the mandibular right posterior area. Radiographic and clinical evaluations revealed a four-unit bridge spanning teeth 42 to 43 and acute apical periodontitis with root resorption around tooth 42. After careful evaluation, tooth 42 was extracted, and orthodontic treatment was performed to align the posterior teeth and create a dimensionally appropriate space between teeth 41 and 43. A 3i MicroMiniplant with dimensions of 3.25 mm (diameter) × 11.5 mm was implanted in the edentulous area of tooth 42 because of the small size of tooth 42. Autogenous bone particles were placed on the buccal crestal defect, and a healing abutment was attached. After an 8-month healing phase, a final impression was made and an all-ceramic crown was delivered. This case demonstrates that osseous sites with significant dimensional space limitations can be successfully utilized to receive and integrate a narrow-diameter implant that will satisfy esthetic, phonetic and functional requirements.

Key Words: limited space , lower anterior implant , narrow-diameter implant

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Article Outline

• Abstract

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References

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a Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

b Faculty of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan

Corresponding author. Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan

PII: S1991-7902(10)60016-5

doi:10.1016/S1991-7902(10)60016-5

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