Journal List > J Korean Acad Prosthodont > v.54(2) > 1034867

Choi, Lee, and Jhin: Implant supported fixed prosthesis for complete edentulous maxilla with severe alveolar ridge resorption: A case report

Abstract

Implant fixed prosthesis for the complete edentulous maxilla provides significant benefits in the aspects of functions and esthetics compared with the conventional denture. Implant supported fixed prosthesis are totally supported by implant, and thus stabilizes the prosthesis to the maximum degree as possible. Also, the improved retention and stability of fixed prosthesis enhance patients’ psychological and psychosocial health. This clinical presentation describes a maxillary full arch implant-supported fixed prosthesis in complete maxillary edentulous patient who showed vertical and horizontal alveolar bone resorption in the anterior ridge. To rehabilitate the esthetics and proper lip support, the zirconia framework was fabricated and the pink porcelain was veneered to reproduce the natural gingival tissue. After 9 months of follow up, the restorations were maintained without complications and the patient was satisfied with the restoration both functionally and esthetically. (J Korean Acad Prosthodont 2016;54:152-9)

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Fig. 1.
Pretreament intraoral view. (A) frontal view, (B) upper occlusal view (C) upper occlusal view with old RPD.
jkap-54-152f1.tif
Fig. 2.
Panoramic radiograph (A) pretreatment panoramic radiograph (B) With radiolographic stent 3 months after extracton of #14, 15, 24, 25.
jkap-54-152f2.tif
Fig. 3.
Screw retained interim implant prosthesis. (A) Maximum intercuspation, (B) Protrusive movement, (C) Right lateral movement, (D) Left lateral movement.
jkap-54-152f3.tif
Fig. 4.
(A) Fabrication of repositioning jig by splinting pick up impression copings with pattern resin on the master cast, (B) Repositiong jigs are connected to check the accuracy of implant position, (C) Registration of interocclusal relationship using repositioning jig & interim prosthesis, (D) Mounted definitive cast.
jkap-54-152f4.tif
Fig. 5.
Fabrication of customized titanium abutment. (A) Esthetic try-in for abutment fabrication, (B) Putty index for fabrication of abutments with proper position and angulation, (C) Placement of the customized titanium abutment by repositioning jig, (D) Bite registration using pattern resin.
jkap-54-152f5.tif
Fig. 6.
Zirconia framework. (A) frontal view (B) occlusal view.
jkap-54-152f6.tif
Fig. 7.
Definitive restoration. (A) Maximum intercuspation, (B) Protrusive movement, (C) Right lateral movement, (D) Left lateral movement.
jkap-54-152f7.tif
Fig. 8.
Facial profile. (A) pretreatment, (B) during wearing a denture, (C) esthetic try-in, (D) post treatment.
jkap-54-152f8.tif
Fig. 9.
(A) Post-treatment panoramic radiograph after 3 months follow-up, (B) periapical radiograhs after 9 months follow-up.
jkap-54-152f9.tif
Table 1.
Diameter, length, and location of installed implant fixture (OsseoSpeedTM Astra Tech AB, Mölndal, Sweden)
Diameter Length Location
ø4.0 mm 11 mm #21, #14, #24
ø5.0 mm 11 mm #15, #25, #17, #27
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