Implant-supported distal extensions in severely resorbed posterior alveolar ridges

Minoretti, Roger; Saulacic, Nikola; Triaca, Albino (2008). Implant-supported distal extensions in severely resorbed posterior alveolar ridges. Clinical oral implants research, 19(9), p. 944. Oxford: Wiley-Blackwell

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The application of implant-borne rehabilitations in residual alveolar ridges may be restricted by various anatomic conditions, as available bone height and characteristics. Here we report the clinical outcome of implants placed in severely resorbed posterior ridges, in addition to various implant-supported treatment modalities.

Extra Oral implants (Straumann, Basel, Switzerland) with the intraosseous length of 2.5–5mm were installed in the posterior alveolar ridges. Following the healing period of 4–6 months, implants were exposed and included in the distal extensions of fixed and removable prosthesis. At recall appointments were collected surgical, clinical and radiological variables, including the evidence of adverse effects. An 8-years life table analysis was calculated.

The treatment protocol was applied in thirty-five patients, presenting 31 removable and 4 fixed complete implant-supported dentures. A total of 61 Extra Oral implants were placed posterior to the distal implants, at the mean distance of 29.8mm (range 15.6–62.7mm). Three implants failed during the osteointegration phase, yielding an 8-year cumulative success rate of 92.24%.
Following the osteointegration period, no major bone loss or other adverse events were found.
The clinical results indicated that the Extra Oral implants may be successfully used in addition to the other, longer implants. Thus, a relatively long extension in the posterior region may be employed.

With careful preoperative planning, this technique offers a simple
and beneficial complementary treatment option for removable and
fixed complete dentures.

Item Type:

Journal Article (Further Contribution)


04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Craniomaxillofacial Surgery

UniBE Contributor:

Saulacic, Nikola


600 Technology > 610 Medicine & health








Factscience Import

Date Deposited:

04 Oct 2013 15:06

Last Modified:

05 Dec 2022 14:20

Additional Information:

EOA 17. Annual Scientific Meeting Programme and Abstracts



URI: (FactScience: 123308)

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