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Background: Osteotome sinus floor elevation (OSFE) procedure with simultaneous implant placement is known to be an efficient procedure in the atrophic maxilla, where bone regeneration is required the most. The purpose of this study was to radiologically evaluate the efficacy of using Bio-Oss Collagen with Concentrated Growth Factor (CGF) as grafting materials for OSFE with simultaneous implant placement in the atrophic maxilla after one year of functional loading.

Methods: A total of 126 implants were placed for 123 patients.

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Correlations Between the Pterygomaxillary Junction and Appropriate Osteotome Placement Angles During Junction Separation in Le Fort I Osteotomy.

J Craniofac Surg

December 2024

Department of Plastic and Reconstructive Surgery and Craniofacial Research Center, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan.

Purpose: The authors evaluated pterygomaxillary junction angles across malocclusion patterns and identified the optimal technique for effective pterygomaxillary junction separation during Le Fort I osteotomy, focusing on appropriate osteotome angles and clinical applications.

Methods: This retrospective study included 211 patients with malocclusion who had undergone Le Fort I osteotomy at Chang Gung Craniofacial Center between December 2015 and September 2023. The patients were stratified by sex and malocclusion class (class I, II, or III).

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Introduction: Maxillary sinus pneumatization increases with age and tooth loss, leading to a reduction in the maxillary alveolar ridge, which often results in insufficient bone height for the proper placement of dental implants. This study focused on performing maxillary sinus elevations in ex vivo bisected pig heads using novel access and elevation devices, comparing these with the osteotome sinus floor elevation (OSFE) technique.

Materials And Methods: An experimental study was conducted using 20 ex vivo adult pig heads.

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Purpose: The bone-implant interface plays a crucial role in obtaining sufficient primary stability for dental implants in weak bone supports. The aim of this human cadaver study was to evaluate the primary stability of new thin-threaded implants when placed in type IV bone right after maxillary sinus floor elevation.

Materials And Methods: The study followed the CACTUS (ChAracteristics of Cadaver Training and sUrgical Studies) guidelines.

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Safety of vertical osteotomies in segmental Le Fort I procedures: a one-year radiological follow-up study.

Int J Oral Maxillofac Surg

November 2024

Department of Oral and Maxillofacial Surgery, Odense University Hospital, Odense, Denmark; Clinical Institute, Faculty of Health, University of Southern Denmark, Odense, Denmark. Electronic address:

The aim of this study was to evaluate dental and periodontal injuries and radiological bone healing at vertical osteotomies in patients treated with segmental Le Fort I (LFI) osteotomy, using cone beam computed tomography (CBCT) scans. This retrospective study analyzed 105 patients who underwent segmental LFI osteotomy. Vertical osteotomies were performed between the lateral incisor and canine using a bur and osteotome.

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