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International Journal of Oral Implantology
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Int J Oral Implantol 6 (2013), No. 1     7. Feb. 2013
Int J Oral Implantol 6 (2013), No. 1  (07.02.2013)

Page 39-47, PubMed:23513201


Immediately loaded zygomatic implants: a 5-year prospective study
Davó, Rubén / Malevez, Chantal / Pons, Olivia
Purpose: This prospective study was designed to assess the long-term outcome of immediately loaded zygomatic implants placed in atrophic maxillae.
Materials and methods: Forty-two consecutively treated patients received 81 zygomatic implants and 140 conventional implants for oral rehabilitation and were followed for 5 years. Complete arch rehabilitation was accomplished in 37 patients and partial arch rehabilitation in 5 (one zygomatic implant in combination with two conventional implants). Outcome measures were prosthetic and implant failures, and complications.
Results: Twelve zygomatic and 22 conventional implants in 6 patients were not reviewed as patients were lost to follow-up. One zygomatic implant was removed at the 3-year follow-up visit because of lack of osseointegration and disturbances around the zygomatic region. The success rate of zygomatic implants was 98.5% (68/69). Six conventional implants were lost, with a success rate of 94.9% (112/118). One of the definitive prostheses was changed after 4 years of follow-up. Six complications occurred during the entire follow-up period.
Conclusions: The 5-year prognosis was found to be good for immediately loaded zygomatic implants together with conventional implants in severely resorbed maxillae.

Keywords: dental implants, edentulism, prospective study, zygomatic implants