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These fibres decussate (cross) to the contralateral (opposite) side, so called the sensory decussation. The ascending bundle after the decussation is called the medial lemniscus. Unlike other ascending tracts of the brain, fibres of the medial lemniscus do not give off collateral branches as they travel along the brainstem. [1]
In the brain, where nerve fibers obliquely cross from one lateral side of the brain to the other, that is to say they cross at a level other than their origin. See for examples decussation of pyramids and sensory decussation. In neuroanatomy, the term chiasma is reserved for crossing of- or within nerves such as in the optic chiasm.
The mandibular nerve (V 3) carries sensory information from the lower lip, the lower teeth and gums, the chin and jaw (except the angle of the jaw, which is supplied by C2-C3), parts of the external ear and parts of the meninges. The mandibular nerve carries touch-position and pain-temperature sensations from the mouth.
If you wake up with sore teeth or tight jaw muscles, you might be grinding your teeth at night. Here, dentists and oral pain experts share tips to stop bruxism. Dentist reveals 1 easy exercise you ...
[1] [2] [3] The plexus issues dental branches [2] [1] and gingival branches; [2] the small dental branches provide sensory innervation to the lower/mandibular teeth. [ 1 ] Note that the lower premolar, canine and incisor teeth as well as their associated gingiva are innervated by the incisive branch of the inferior alveolar nerve (which may or ...
OTC products are more suited for generalized, mild to moderate dentin hypersensitivity associated with several teeth, and in-office treatments for localized, severe DH associated with one or two teeth. Non-invasive, simple treatments which can be carried out at home should be attempted before in-office procedures are carried out.
Several methods exist for whitening teeth at home, ranging from over-the-counter (OTC) products to natural remedies. Here are some of the most popular at-home teeth whitening options. Over-the ...
Desensitising treatments are separated into two groups: at-home procedures in the form of mouthwash and toothpaste, or in-office products such as resin sealers, glass ionomers and dentine solutions. These desensitising agents are prescribed to block nerve impulses by physically reducing the width of dentinal tubules or chemically preventing the ...