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( T o p )
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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
The mylohyoid nerve (or nerve to mylohyoid ) is a mixed nerve of the head . It is a branch of the inferior alveolar nerve . It provides motor innervation the mylohyoid muscle , and the anterior belly of the digastric muscle . It provides sensory innervation to part of the submental area, and sometimes also the mandibular (lower) molar teeth , requiring local anaesthesia for some oral procedures.
Structure
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Origin
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The mylohyoid nerve is a mixed (motor-sensory) [1] inferior alveolar nerve (which is a branch of the mandibular nerve (CN V3 trigeminal nerve (CN V)).[2] [1] mandibular foramen .[1]
Course
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It pierces the sphenomandibular ligament .[3] ramus of the mandible . When it reaches the under surface of the mylohyoid muscle , it gives branches to the mylohyoid muscle and the anterior belly of the digastric muscle .[1]
Distribution
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Motor
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The mylohyoid nerve supplies the mylohyoid muscle and the anterior belly of the digastric muscle .[2] [1]
Sensory
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It provides sensory innervation to the skin of the centre of the submental area.[4] molar teeth .[5]
Clinical significance
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The mylohyoid nerve needs to be blocked during local anaesthesia of the mandibular (lower) teeth to prevent pain during oral procedures.[5] [6] inferior alveolar nerve , causing pain.[1]
Additional images
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Mandible of human embryo 24 mm. long. Outer aspect.
Mandible of human embryo 95 mm. long. Inner aspect. Nuclei of cartilage stippled.
Infratemporal fossa. Lingual and inferior alveolar nerve. Deep dissection. Anterolateral view
References
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This article incorporates text in the public domain from page 896 of the 20th edition of Gray's Anatomy (1918)
^ a b Hallinan, James T. P. D.; Sia, David S. Y.; Yong, Clement; Chong, Vincent (2018). "Chapter 3 - The Sphenoid Bone" . Skull Base Imaging . Elsevier . pp. 39–64. doi :10.1016/B978-0-323-48563-0.00003-9 . ISBN 978-0-323-48563-0
^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 364. ISBN 978-0-7295-3752-0
^ Iwanaga, Joe; Ibaragi, Soichiro; Okui, Tatsuo; Divi, Vasu; Ohyama, Yoshio; Watanabe, Koichi; Kusukawa, Jingo; Tubbs, R. Shane (2022-08-01). "Cutaneous branch of the nerve to the mylohyoid muscle: Potential cause of postoperative sensory alteration in the submental area" . Annals of Anatomy - Anatomischer Anzeiger . 243 : 151934. doi :10.1016/j.aanat.2022.151934 . ISSN 0940-9602 . PMID 35307555 . S2CID 247543350 .
^ a b Ferneini, Elie M.; Bennett, Jeffrey D. (2016). "32 - Anesthetic Considerations in Head, Neck, and Orofacial Infections" . Head, Neck, and Orofacial Infections - A Multidisciplinary Approach . Elsevier Science . pp. 422–437. doi :10.1016/B978-0-323-28945-0.00032-6 . ISBN 978-0-323-28945-0
^ Gulabivala, K.; Ng, Y.-L. (2014). "10 - Management of acute emergencies and traumatic dental injuries" . Endodontics (4th ed.). Mosby . pp. 264–284. doi :10.1016/B978-0-7020-3155-7.00010-2 . ISBN 978-0-7020-3155-7
External links
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R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Mylohyoid_nerve&oldid=1222896865 " C a t e g o r i e s : ● W i k i p e d i a a r t i c l e s i n c o r p o r a t i n g t e x t f r o m t h e 2 0 t h e d i t i o n o f G r a y ' s A n a t o m y ( 1 9 1 8 ) ● N e r v e s o f t h e h e a d a n d n e c k H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h T A 9 8 i d e n t i f i e r s
● T h i s p a g e w a s l a s t e d i t e d o n 8 M a y 2 0 2 4 , a t 1 6 : 1 5 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
This article incorporates text in the public domain from page 896 of the 20th edition of Gray's Anatomy (1918)
