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INVESTIGATE THE ROUTE OF THE MANDIBULAR NERVE (V3) IN THE INFRATEMPORAL FOSSA ON FRESH CARDIVERS AT THE APARTMENT OF ANATOMY OF UNIVERSITY OF MEDICINE AND PHARMACY AT HO CHI MINH CITY FROM SEPTEMBER 2020 TO JULY 2021
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Abstract
Background: The mandibular nerve is the third brand of the trigeminal nerve and vulnerable the most in the infratemporal fossa. The infratemporal fossa lies beneath the middle skull base, contains various pathologies belong to vast of specifilities and likely co-operate in treatment. Objective: Investigate the corelation of brands of the mandibular nerve with oval foramen, lateral pterygoid plate, zygoma and posterior wall of maxillary sinus. Methods: Cross-sectional descriptive study. From September 2020 to July 2021, we dissected and measured 20 infratemporal fossas in fresh cadavers at the apartment of Anatomy of University of Medicine and Pharmacy at HCM city. Results: Distances from bifurcation of the main branch, posterior branch and the bifurcation to lingual nerve and chorda tympani nerve to the oval foramen are 5,23±0,83 ; 10,1±1,88 ; 21±1,97mm respectively. The anatomic corelation between the bifurcation to lingual nerve and chorda tympani nerve with the oval foramen, spinosum foramen are indicated under equation: BDLTN = 16,13 + 1,41 × BDG. Discussion: Depend on the anatomic corelation of branches of the mandibular nerve with surrounded anatomy structures, we promote an equation that could help surgeons.
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Keywords
infratemporal fossa, mandibular nerve, lingual nerve, chorda tympani, anatomic corelation
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