Reconstruction of a severely atrophied alveolar ridge by computer-aided gingival simulation and 3D-printed surgical guide: A case report

In-Seok Song, Mi Ran Lee, Jae Jun Ryu, Ui Lyong Lee

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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.

Original languageEnglish
Pages (from-to)e73-e76
JournalInternational Journal of Oral and Maxillofacial Implants
Issue number3
Publication statusPublished - 2018 Jan 1



  • Alveolar ridge augmentation
  • Computer simulation
  • Computer-aided three-dimensional imaging
  • Dental implants
  • Maxillary osteotomy

ASJC Scopus subject areas

  • Oral Surgery

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