Reconstruction of a Severely Atrophied Alveolar Ridge by Computer-Aided Gingival Simulation and 3D-Printed Surgical Guide: A Case Report
- Authors
- Song, In-Seok; Lee, Mi-Ran; Ryu, Jae-Jun; Lee, Ui-Lyong
- Issue Date
- May-2018
- Publisher
- QUINTESSENCE PUBLISHING CO INC
- Keywords
- alveolar ridge augmentation; computer-aided three-dimensional imaging; computer simulation; dental implants; maxillary osteotomy
- Citation
- INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS, v.33, no.3, pp.E73 - E76
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS
- Volume
- 33
- Number
- 3
- Start Page
- E73
- End Page
- E76
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/75594
- DOI
- 10.11607/jomi.5885
- ISSN
- 0882-2786
- Abstract
- Dental implants positioned in severely atrophied anterior maxillae require esthetic or functional compromises. This case report describes the rehabilitation of a severely atrophied alveolar ridge with a three-dimensional (3D) computer-aided design/computer-aided manufacture (CAD/CAM) surgical guide. A 50-year-old woman had a severely atrophied anterior maxilla with unfavorably positioned dental implants. Functional and esthetic prosthodontic restoration was difficult to achieve. An anterior segmental osteotomy was planned to reposition the dental implants. A 3D surgical guide was designed for precise relocation of the segment. The surgical guide firmly grasped the impression copings of the dental implants, minimizing surgical errors. Three-dimensional gingival simulation was used preoperatively to estimate the appropriate position of the gingiva. Rigid fixation to the surrounding bone allowed immobilization of the implant-bone segment. Satisfactory esthetic and functional outcomes were attained 6 months after surgery. Finally, a severely atrophied alveolar ridge with unfavorably positioned dental implants was recovered with minimal esthetic and functional deterioration using gingival simulation and a 3D CAD/CAM surgical guide.
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