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Extrasinus Zygomatic Implants: Three Year Experience from a New Surgical Approach for Patients with Pronounced Buccal Concavities in the Edentulous Maxilla

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dc.contributor.author Aparicio, Carlos spa
dc.contributor.author Ouazzani, Wafaa spa
dc.contributor.author Aparicio, Arnau spa
dc.contributor.author Fortes, Vanessa spa
dc.contributor.author Muela, Rosa spa
dc.contributor.author Pascual, Andrés spa
dc.contributor.author Codesal, María spa
dc.contributor.author Barluenga, Natalia spa
dc.contributor.author Manresa, Carolina spa
dc.contributor.author Franch, Monica spa
dc.date.accessioned 2013-11-27T17:26:29Z
dc.date.available 2013-11-27T17:26:29Z
dc.date.issued 2010 spa
dc.identifier.citation Aparicio, C., Ouazzani, W., Aparicio, A., Fortes, V., Muela, R., Pascual, A., ..., & Franch, M. (2010). Extrasinus zygomatic implants: three year experience from a new surgical approach for patients with pronounced buccal concavities in the edentulous maxilla. Clinical Implant Dentistry and Related Research, 12(1), 55-61. spa
dc.identifier.issn 15230899 spa
dc.identifier.uri http://hdl.handle.net/11268/772
dc.description.abstract Background: The surgical protocol for zygomatic fixtures prescribes an intrasinus approach ideally maintaining the sinus membrane intact and the implant body inside the sinus while gaining access to the zygomatic bone. In the presence of a pronounced buccal concavity, the implant head has to be placed far from the alveolar crest in a palatal direction, which results in a bulky bridge construction. Purpose: The aim of this study was to report on the preliminary experiences with zygomatic implants placed with an extrasinus approach in order to have the implant head emerging at or near the top of the alveolar crest. Materials and Methods: Twenty consecutive patients with pronounced buccal concavities in the edentulous posterior maxilla were treated with 104 regular and 36 zygomatic implants as support of fixed dental bridges. Sixteen patients were treated bilaterally and four patients were treated unilaterally. The zygomatic implants were inserted by using an extrasinus surgical approach with the implant body passing from the alveolar crest through the buccal concavity into the zygomatic bone. This enabled placement of the implant head at or close to the alveolar crest. The patients were followed from 36 to 48 months after occlusal loading with a mean follow-up of 41 months. The relation of the zygomatic implants to the crest was measured and compared with a control group of 20 patients treated with conventional placement of zygomatic implants. Results: No implants were lost during the study period. No pain, discomfort, or complications related to the extrasinus path of the zygomatic implants were recorded after the initial healing period and up to the 36th-month checkup. The zygomatic implants emerged, on average, 3.8 mm (SD 2.6) palatal to the top of the crest compared with 11.2 mm (SD 5.3) to the conventional technique. Conclusion: The present 3-year clinical study shows that an extrasinus approach can be utilized when placing zygomatic implants in patients with pronounced buccal concavities in the posterior maxilla. Moreover, the technique results in an emergence of the zygomatic fixture close to the top of the crest, which is beneficial from a cleaning and patient-comfort point of view. spa
dc.language.iso eng spa
dc.subject.other Edentulous Maxilla spa
dc.subject.other Follow-Up spa
dc.subject.other Maxillary Sinus spa
dc.subject.other Surgical Technique spa
dc.subject.other Severely Resorbed Maxillae spa
dc.subject.other Months Follow-Up spa
dc.subject.other Titanium Implants spa
dc.subject.other Clinical Report spa
dc.subject.other Advanced Atrophy spa
dc.subject.other Dental Implants spa
dc.subject.other Rehabilitation spa
dc.subject.other Reconstruction spa
dc.subject.other Protocol spa
dc.subject.other Dentistry, Oral Surgery & Medicine spa
dc.title Extrasinus Zygomatic Implants: Three Year Experience from a New Surgical Approach for Patients with Pronounced Buccal Concavities in the Edentulous Maxilla spa
dc.type article spa
dc.description.impact 2.803 JCR (2010) Q1, 8/77 Dentistry, oral surgery & medicine spa
dc.identifier.doi 10.1111/j.1708-8208.2008.00130.x spa
dc.rights.accessRights closedAccess en
dc.subject.unesco Odontología spa
dc.subject.unesco Tratamiento médico spa
dc.peerreviewed Si spa


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