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Optimizing pterygoid implant placement without sinus intrusion in edentulous vietnamese patients: A comprehensive tomographic analysis and cross-sectional study.
J Clin Exp Dent
November 2024
Department of Oral Implantology, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City.
Background: Severe maxillary resorption presents challenges in dental implant placement. This research aims to assess the feasibility, angular orientation, and appropriate length of pterygoid implants in patients with significant maxillary atrophy.
Material And Methods: The study examined Cone Beam Computed Tomography (CBCT) scans from 60 completely edentulous patients classified as Cawood and Howell's Classes V or VI, with less than 4mm residual bone height in their posterior maxilla.
The pterygoid anchorage technique.
J Clin Orthod
May 2024
Department of Orthodontics, University of Witten/Herdecke, Witten, Germany.
Purpose: Severe anterior maxillary atrophy offers few implant-supported rehabilitation solutions to Quad Zygoma characterized by a wide anterior cantilever. One of the possible alternatives to consider before the quad zygoma is the extra-long nasal/trans-nasal implant placement. This retrospective multicentric study shows the predictability of nasal/transnasal implant placement in patients affected by severe anterior maxilla atrophy, with residual anatomical features that indicate this surgery.
View Article and Find Full Text PDFIdentifying an optimal approach for the placement of pterygoid implants: A 3D finite element analysis.
J Prosthet Dent
May 2024
Professor, Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China. Electronic address:
Statement Of Problem: A consensus on the optimal approach to the placement of pterygoid implants is lacking.
Purpose: The purpose of this finite element analysis study was to determine the optimal approach to the placement of pterygoid implants by comparing biomechanical behavior.
Material And Methods: An edentulous and moderately atrophic maxilla with the anatomic structure of the pterygomaxillary region was constructed.
Stress distribution and displacement with four different types of MARPE on craniofacial complex: A three-dimensional finite element analysis.
Int Orthod
December 2023
Department of Orthodontics and Dentofacial Orthopaedics, Maulana Azad Institute of Dental Sciences, 110002 New Delhi, India.
Background: Various designs of mini-implants assisted rapid palatal expander (MARPE) appliances can impact treatment effectiveness through their biomechanical effects. The purpose of the study was to study the stress distribution and displacement with four different designs of the MARPE appliance on the craniofacial complex.
Methods: A 3D finite element model of the craniofacial complex was created from CBCT DICOM data, comprising four distinct groups.
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