The ultimate dental implant challenge is reconstruction of the severely resorbed maxilla, especially in patients with long-term edentulism or multiple previous failed attempts at dental implant placement and full-arch implant rehabilitation. Before implant dentistry, complete dentures, which are limited by poor retention and lack of support that the alveolar ridge offers in atrophic maxillae, were the only option for these patients. Pterygoid implants are now a valid and valuable resource for the rehabilitation of the posterior atrophic maxilla. This chapter will cover pterygoid implant surgical and pre-surgical planning, surgical procedures and protocols, including multiple techniques commonly utilised to place and restore these implants comprehensively.
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Pterygoid implants as alternative to bone augmentation in implant dentistry.
Br Dent J
January 2025
Oral and Maxillofacial Surgery Private Practice, Desert Ridge Oral Surgery Institute, Phoenix, AZ, USA; Department of Oral and Maxillofacial Surgery, University of Arizona College of Medicine at Banner University Medical Center Phoenix, Phoenix, AZ, USA.
The ultimate dental implant challenge is reconstruction of the severely resorbed maxilla, especially in patients with long-term edentulism or multiple previous failed attempts at dental implant placement and full-arch implant rehabilitation. Before implant dentistry, complete dentures, which are limited by poor retention and lack of support that the alveolar ridge offers in atrophic maxillae, were the only option for these patients. Pterygoid implants are now a valid and valuable resource for the rehabilitation of the posterior atrophic maxilla.
View Article and Find Full Text PDFOptimizing 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.
Adult maxillary expansion: CBCT evaluation of skeletal changes and determining an efficiency factor between force-controlled polycyclic slow activation and continuous rapid activation for mini-screw-assisted palatal expansion - MASPE vs. MARPE.
Head Face Med
December 2024
Department of orthodontics, Universitat international de Catalunya (UIC), Carrer de Josep Trueta, Sant Cugat del Vallès, Barcelona, 08195, Spain.
Aim: This consecutive retrospective study compared Mini-implant Assisted Slow Palatal Expansion (MASPE) with rapid palatal expansion (MARPE) using a bone-borne skeletal expander in adults with a narrow maxilla. CBCT scans analyzed transverse changes and potential pterygoid process deformation before (T1) and after expansion (T2).
Materials And Methods: The Force Controlled PolyCyclic (FCPC) SLOW palatal expansion group (FCPC-MASPE-G) comprised 35 adults aged 18-54 years and received a skeletal expander limiting expansive force only allowing 500 cN at the activation wrench (force control).
The Rehabilitation of Partially Edentulous Maxilla With Unilateral Zygomatic Implants: A Retrospective Study up to 23 Years Follow-Up.
Clin Oral Implants Res
November 2024
Department of Dentistry, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.
Objectives: This retrospective study aimed to evaluate the clinical outcomes associated with zygomatic implant (ZI) rehabilitation in partially atrophic edentulous maxillae over a mean follow-up period of more than 10.3 years.
Methods: All consecutive patients underwent ZI rehabilitation between 1999 and 2020, with a minimum follow-up period of 3 years.
Pterygoid implant-based maxillary full-arch rehabilitation using an autonomous robot system: A case report.
J Prosthodont
November 2024
State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
Pterygoid implant placement has been proven to be a viable option in full-arch implant rehabilitation for extremely atrophic maxillae. Nevertheless, the utilization of pterygoid implants remains a challenge for the dentist due to the difficulties of accessing the surgical site and poor visibility. To address these difficulties, digital techniques have been used to enhance the accuracy of pterygoid implant placement.
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