Mandibular nerve block at the oval foramen using reliable landmarks: refinement of a previously described procedure

The aim of this study was to improve the injection technique when blocking the mandibular nerve at the oval foramen by using consistent landmarks. The lower lateral orbital angle (LLOA) and the junction of the external acoustic canal and the mastoid process (AM) proved to be reliable landmarks. Dist...

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Bibliographic Details
Published in:International journal of oral and maxillofacial surgery 2002-08, Vol.31 (4), p.423-426
Main Authors: Stajčić, Z., Stojčev, Lj, Mileusnić, I., Đjurić-Srejić, M.
Format: Article
Language:English
Subjects:
Anesthesia
Anesthesia depending on type of surgery
Anesthesia, Dental - methods
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Anesthetics, Local - administration & dosage
Biological and medical sciences
Cephalometry
Dentistry
extraoral technique
Humans
Injections
local anaesthesia
Local anesthesia. Pain (treatment)
Mandibular Nerve
Mastoid
Medical sciences
Nerve Block - methods
Orbit
Orthopedic surgery. Maxillofacial surgery. Otorhinolaryngologic surgery. Stomatology. Ophtalmology. Investigation and treatment technics
Sphenoid Bone
Zygoma
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Summary:The aim of this study was to improve the injection technique when blocking the mandibular nerve at the oval foramen by using consistent landmarks. The lower lateral orbital angle (LLOA) and the junction of the external acoustic canal and the mastoid process (AM) proved to be reliable landmarks. Distances between landmarks for the localization of the puncture point (PP), cranial indices as well as the angle of the injection needle to the sagittal plane were calculated on 22 human dried skulls. The PP was found to lie exactly in the middle between the LLOA and AM. The angle of the injection needle to the sagittal plane was 71.86°. No correlation was found between the cranial index and the angulation of the needle or the distances for the localization of the PP. From this study a modified puncture technique was developed.
ISSN:0901-5027
1399-0020
DOI:10.1054/ijom.2001.0203