Esthetic Full Zirconia Fixed Detachable Implant-Retained Restorations Manufactured from Monolithic Zirconia : Clinical Report

Monolithic zirconia framework으로 제작된 fixed detachable prostheses를 이용한 심미적인 임플란트 전악 수복 증례

  • Hong, Jun-Tae (Department of Prosthodontics and Dental Research Institute, College of Dentistry, Dankook University) ;
  • Choi, Yu-Sung (Department of Prosthodontics and Dental Research Institute, College of Dentistry, Dankook University) ;
  • Han, Se-Jin (Oral & Maxillofacial surgery, College of Dentistry, Dankook University) ;
  • Cho, In-Ho (Department of Prosthodontics and Dental Research Institute, College of Dentistry, Dankook University)
  • 홍준태 (단국대학교 치과대학 치과 보철학교실 및 치의학 연구소) ;
  • 최유성 (단국대학교 치과대학 치과 보철학교실 및 치의학 연구소) ;
  • 한세진 (단국대학교 치과대학 구강악안면외과학 교실) ;
  • 조인호 (단국대학교 치과대학 치과 보철학교실 및 치의학 연구소)
  • Received : 2012.08.25
  • Accepted : 2012.09.25
  • Published : 2012.09.30

Abstract

Full-mouth reconstruction of a patient using dental implants is a challenge if there is vertical and horizontal bone resorption, since this includes the gingival area and restricts the position of the implants. however, hard- and soft-tissue grafting may allow the implants to be placed into the desired position. Although it is possible to regenerate lost tissues, an alternative is to use fixed detachable prostheses that restore the function and the esthetics of the gingiva and teeth. Various material combinations including metal/acrylic, metal/ceramic, and zirconia/ceramic have been used for constructing this type of restoration. Other problems include wear, separation or fracture of the resin teeth from the metal/acrylic prosthesis, chipping or fracture of porcelain from the metal/ceramic or zirconia/ceramic prosthesis, and fracture of the framework in some free-end prostheses. With virtually unbreakable, chip-proof, life-like nature, monolithic zirconia frameworks can prospectively replace other framework materials. This clinical report describes the restoration of a patient with complete fixed detachable maxillary and mandibular prostheses made of monolithic zirconia with dental implants. The occluding surfaces were made of monolithic zirconia, to decrease the risk of chipping or fracture. The prostheses were esthetically pleasing, and no clinical complications have been reported after two years.

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