Journal article
Three-Dimensional Intraoral Scanner Superimposition for Evaluating Soft and Hard Tissue Preservation in a Compromised Extraction Socket of the Maxillary Esthetic Zone: An 18-Month Follow-Up
The Journal of oral implantology
04/02/2026
DOI: 10.1563/aaid-joi-D-25-00257
Abstract
A compromised extraction socket in the maxillary esthetic zone presents challenges for achieving predictable ridge preservation and soft-tissue stability. This case describes the management of a maxillary left central incisor with a history of endodontic and apical surgery, including alveolar ridge preservation, delayed implant placement, and soft-tissue augmentation, and evaluates dimensional changes using superimposition of intraoral scanner images. Following extraction, ridge preservation was performed with deproteinized bovine bone mineral and a collagen membrane. After 3 months of healing, the implant was placed with additional grafting, followed by the application of a volume-stable collagen matrix at second-stage surgery to enhance buccal contour and soft-tissue thickness. Intraoral scans were obtained at baseline and at 1, 3, 6, 12, and 18 months, and surface-distance changes at predefined regions of interest were assessed by digital superimposition. The greatest dimensional reduction occurred during the early healing period (baseline to 3 months). Yet ridge preservation effectively limited buccal contour loss despite compromised socket morphology—the collagen matrix produced localized buccal augmentation that remained stable for 18 months. Within the limitations of a single case, this combined approach supported ridge-contour maintenance and soft-tissue stability in a compromised socket. Intraoral scanner superimposition proved to be an effective, noninvasive method for monitoring dimensional changes over time.
Details
- Title: Subtitle
- Three-Dimensional Intraoral Scanner Superimposition for Evaluating Soft and Hard Tissue Preservation in a Compromised Extraction Socket of the Maxillary Esthetic Zone: An 18-Month Follow-Up
- Creators
- Mu-Kwon Park - Kyungpook National UniversityDu-Hyeong Lee - University of IowaYoungkyun Lee - Kyungpook National UniversityMyoung Ok Kim - Kyungpook National UniversitySung-Min Hwang - Kyungpook National UniversityJae-Mok Lee - Kyungpook National UniversityYong-Gun Kim - Chulalongkorn University
- Resource Type
- Journal article
- Publication Details
- The Journal of oral implantology
- DOI
- 10.1563/aaid-joi-D-25-00257
- ISSN
- 0160-6972
- eISSN
- 1548-1336
- Language
- English
- Electronic publication date
- 04/02/2026
- Academic Unit
- Prosthodontics
- Record Identifier
- 9985153160002771
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