How many foramina are found on the mandible




















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Learn more about our commitment to oral health education. Meet the Mandibular Foramen. Top Articles. Mandibular Foramen: Function and Anatomy The opening of your mouth consists of two parts: your upper jaw maxilla and lower jaw mandible. Your mandibular foramen contains your: Inferior alveolar nerve artery and vein Maxillary artery branch Trigeminal nerve branch Mental artery.

No Two Foramen Are Alike It can be easy to think that everyone's biology is the same, but this is far from the truth, thanks to genetics and environmental factors. Your mandibular foramen may vary by: Shape Location Diameter Length Age Some individuals have even been found to have an extra canal or multiple inferior alveolar nerves.

Your mandibular foramen may be important for: Jaw surgery Inferior alveolar nerve blocks Dental implants of your third molar Extraction of your third molar Other procedures to nearby affected areas You've done a great job reading up on this unique feature of your lower jaw. Was this article helpful? Like Neutral. You also might like. Coupons Shop Now Our Mission.

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Quality medical manuscript writing in particular, demands not only a high-quality research, but also requires accurate and concise communication of findings and conclusions, with adherence to particular journal guidelines. Important Notice. MD, Asst. Abstract Introduction: Our objective was to determine the incidence of accessory mandibular foramina MA in mandibles of south Indian origin. Methods: The study comprised 67 adult, human, dry mandibles which were procured from the departments of anatomy of our university.

The prevalence rate and the laterality were analyzed. Results: The accessory mandibular foramina were observed in 11 mandibles They were present unilaterally in 6 8. The accessory foramen was single in 9 cases and it was found to be double in 2 cases. Conclusion: In the current study, the incidence rate of the accessory mandibular foramina was The morphological knowledge of these foramina is important as they transmit the branches of the nerves which supply the roots of the teeth.

The local anaesthetic drug which is given in this region may fail if these nerves or their branches pass through the accessory foramina. There are a few cases which have been reported on the accessory mandibular foramina AMF and the incidence of the AMF has been found to be greater on the medial surface than on the lateral surface 3 , 4 , 5. The branches of the facial, mylohyoid, buccal and the transverse cervical cutaneous nerves are known to pass through these accessory foramina 2. Przystanska and Bruska 6 studied these foramina immunohistochemically and proved that their contents included an artery and a nerve.

Injecting an anaesthetic solution into the pterygomandibular region where the inferior alveolar nerve is found in the MF, is an anaesthetic technique which is commonly employed in the dental clinic. It was reported that the local anaesthesia which was given during dental extractions might fail if the branches of the inferior alveolar nerve pass through these accessory foramina and thus escape the drug.

The AMF are also known to provide the route for tumour spread following radiotherapy 7 , 8 , 9 , Since detailed anatomical studies are not found in the literature, this osteological investigation was undertaken. Material and Methods The study included 67 37 male and 30 female dry human mandibles of south Indian origin, which were procured from thedepartments of anatomy of our university.

All were adult mandibles, the exact ages of which were unknown. The mandibles were observed for the presence of AMF and if they were present, a further observation was made about their numbers.

Their prevalence rate and laterality were also analyzed. A magnifying lens was used for the observations. It was present unilaterally in 6 8. The gender wise frequency was recorded as in the male and female mandibles. In all the cases, the accessory foramen was directed downwards towards the alveolar margin.



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