ArticleInternational journal of implant dentistry2024
Anatomical study of pterygoid implants: artery and nerve passage through bone dehiscence of the greater palatine canal.
Article in International journal of implant dentistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Intraoperative Displacement of a Pterygoid Implant into the Pterygopalatine Fossa and Its Surgical Retrieval: A Case Report.Dentistry journal · 2026Article
- A Segmentation-Assisted Three-Dimensional Planning Workflow for Static-Guided Pterygoid Implant Placement: A Proof-of-Concept Report.Journal of clinical medicine · 2026Article
- Dual attachment of the buccinator muscle at the pterygoid hamulus: implications for pterygoid implant surgery.International journal of implant dentistry · 2025Article
- Optimal fiducial marker distribution for navigated tilted implants in edentulous maxillae: an in vitro study.BMC oral health · 2025Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposePterygoid implants are an alternative approach to avoid sinus-lifting or other grafting procedures. During pterygoid implant placement, dental surgeons risk damaging the greater palatine canal (GPC). However, they do not have sufficient reasons to avoid GPC injury. This study performed a detailed morphological analysis of the GPC to determine susceptibility to damage during pterygoid implant surgery.
methodsTo understand the detailed morphology of the GPC, gross anatomical analysis, histological analysis, and bone morphometry via micro-computed tomography were performed.
resultsWe found that the medial wall of the GPC communicated with the nasal cavity through the bone dehiscence. The dehiscence appeared near the inferior nasal concha in 72.4% of the cadavers. The nerve and artery passed from the GPC to the nasal mucous membrane through the dehiscence. Given that the greater palatine nerve passed medial to the descending palatine artery in the GPC, the descending palatine artery is damaged first rather than the greater palatine nerve during pterygoid implant surgery.
conclusionsDental surgeons who penetrate the GPC using an implant body may extend the bleeding to the nasal mucosa, which seems to spread the inflammation to the nasal cavity.
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