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Updated: Jun 28, 2026

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
Published on: October 18, 2021
Early implant placement following single-tooth extraction in the esthetic zone: biologic rationale and surgical
Daniel Buser1, Stephen T Chen, Hans Peter Weber
1Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland. daniel.buser@zmk.unibe.ch
Abstract:
Early implant placement is one treatment option for implant therapy following single-tooth extraction in the anterior maxilla. The surgical technique presented here is characterized by tooth extraction without flap elevation, a 4- to 8-week soft tissue healing period, implant placement in a correct three-dimensional position, simultaneous contour augmentation on the facial aspect with guided bone regeneration using a bioabsorbable collagen membrane combined with autogenous bone chips and a low-substitution bone filler, and tension-free primary wound closure. The surgical step-by-step procedure is presented with a case report. In addition, the biologic rationale is discussed.