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Reconstruction of the maxillary posterior with sinus floor elevation and vertical ridge augmentation- Case reports

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EAO-2018

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Abstract

In edentulous areas, implant placement is often considered one of the best options to replace teeth, both functionally and esthetically. Sufficient bone volume and favorable architecture of the alveolar ridge are essential for ideal implant surgery. However, implant placement in edentulous maxillary area often presents a clinical challenge because of the insufficient alveolar bone height due to the resorption of crestal bone and pneumatization of maxillary sinus. This case report shows two cases of successful reconstruction of the maxillary posterior alveolar ridge. Case 1: A female patient, 41 years old, lost her left maxillary molars due to chronic periodontitis. Severe crestal bone resorption was found at edentulous area. The average height of available bone was 3mm. Through a vertical ridge augmentation by 2mm and sinus floor elevation with lateral window approach, two implants of wide diameter were installed with primary stability. After 6 months, second surgery was done and final fixed prosthesis was delivered. Case 2: A male patient, 57 years old, lost many teeth due to chronic periodontitis. Because he had used removable partial denture for many years, the alveolar ridge was deteriorated. 4mm of crestal bone augmentation was required at the left maxillary second premolar area while sinus floor elevation with lateral window approach was needed at the left molar region. One implant of regular diameter and two of wide diameter were placed simultaneously. After 6 months of healing period, second surgery was done and final fixed prosthesis was delivered. By using vertical ridge augmentation technique, appropriate bone level similar to adjacent teeth could be obtained. Moreover, the adequate height of available bone could be achieved by sinus floor elevation technique. After 6 months of healing period, patients were satisfied with their implant prostheses, and there were no signs of complications. Sufficient bone volume and favorable architecture of the alveolar ridge could be obtained by using vertical ridge augmentation and sinus floor elevation with lateral approach. Furthermore, proper case selection is important for the successful surgical results.

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© Copyright 2020 Morressier GmbH.
All rights reserved.