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Article

Intraoperative Profiling of the Supracrestal Implant Complex Minimizes Peri-Implant Crestal Bone Remodeling: The Guided Bone Profiling Concept

by
Milan Stoilov
1,2,†,
Joerg Winterhoff
2,†,
Lea Stoilov
1,
Anastasia Timoschenko
1,
Helmut Stark
1,
Florian Heuser
1,
Michael Marder
1,
Dominik Kraus
1,2,† and
Norbert Enkling
1,2,*,†
1
Department of Prosthodontics, Preclinical Education and Dental Materials Science, University Hospital Bonn, 53111 Bonn, Germany
2
Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, 3012 Bern, Switzerland
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
J. Funct. Biomater. 2025, 16(3), 93; https://doi.org/10.3390/jfb16030093
Submission received: 3 February 2025 / Revised: 3 March 2025 / Accepted: 6 March 2025 / Published: 8 March 2025
(This article belongs to the Special Issue Advanced Biomaterials and Oral Implantology—3rd Edition)
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Abstract

(1) Background: Early-stage bone resorption following implant placement can significantly impact the long-term success of implants. This study evaluates whether a fully digitally planned implant position based on the E-point concept, along with guided profiling of the supracrestal complex, contributes to improved stability of peri-implant bone levels. (2) Methods: 29 implants were placed in 27 patients utilizing both immediate (Group 1; n = 19) and delayed placement (Group 2; n = 10) protocols. Implant position and emergence profile were preoperatively determined and consistently executed through guided surgery and CAD/CAM-fabricated restorations. Due to the subcrestal positioning of the implant, a corresponding bone profiler with a guide pin was used to shape the emergence profile and prevent the provisional restoration from impinging on the proximal bone. Provisional restorations were immediately placed to support the emergence profile. Bone level changes were documented radiographically over a two-year period. The first Bone-to-Implant Contact Level (∆ fBIC), change in highest approximal Bone Level (∆ haBL), and formation of an emergence profile width (WEP) were measured. (3) Results: All implants and restorations survived after two years, no significant change in first Bone-to-Implant Contact Level (∆ fBIC = 0 ± 0.02 mm), no change in highest approximal Bone Level (∆ haBL) of −0.23 mm ± 0.71 mm, and formation of an emergence profile width (WEP) averaging 0.18 ± 0.19 mm. (4) Conclusions: Despite the initial stress on the bone caused by bone profiling, guided implant placement and bone shaping, supported by an immediate provisional, have a positive effect on peri-implant bone stability.
Keywords: bone remodeling; emergence profile; implant success; immediate implant; late implant; immediate restoration; immediate loading bone remodeling; emergence profile; implant success; immediate implant; late implant; immediate restoration; immediate loading

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MDPI and ACS Style

Stoilov, M.; Winterhoff, J.; Stoilov, L.; Timoschenko, A.; Stark, H.; Heuser, F.; Marder, M.; Kraus, D.; Enkling, N. Intraoperative Profiling of the Supracrestal Implant Complex Minimizes Peri-Implant Crestal Bone Remodeling: The Guided Bone Profiling Concept. J. Funct. Biomater. 2025, 16, 93. https://doi.org/10.3390/jfb16030093

AMA Style

Stoilov M, Winterhoff J, Stoilov L, Timoschenko A, Stark H, Heuser F, Marder M, Kraus D, Enkling N. Intraoperative Profiling of the Supracrestal Implant Complex Minimizes Peri-Implant Crestal Bone Remodeling: The Guided Bone Profiling Concept. Journal of Functional Biomaterials. 2025; 16(3):93. https://doi.org/10.3390/jfb16030093

Chicago/Turabian Style

Stoilov, Milan, Joerg Winterhoff, Lea Stoilov, Anastasia Timoschenko, Helmut Stark, Florian Heuser, Michael Marder, Dominik Kraus, and Norbert Enkling. 2025. "Intraoperative Profiling of the Supracrestal Implant Complex Minimizes Peri-Implant Crestal Bone Remodeling: The Guided Bone Profiling Concept" Journal of Functional Biomaterials 16, no. 3: 93. https://doi.org/10.3390/jfb16030093

APA Style

Stoilov, M., Winterhoff, J., Stoilov, L., Timoschenko, A., Stark, H., Heuser, F., Marder, M., Kraus, D., & Enkling, N. (2025). Intraoperative Profiling of the Supracrestal Implant Complex Minimizes Peri-Implant Crestal Bone Remodeling: The Guided Bone Profiling Concept. Journal of Functional Biomaterials, 16(3), 93. https://doi.org/10.3390/jfb16030093

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