0
The inferior alveolar nerve travels through the mandibular canal in the mandible, providing sensory innervation to the lower teeth and surrounding tissues. It branches off from the mandibular nerve, a division of the trigeminal nerve (cranial nerve V). As it descends, it gives off the mylohyoid nerve and continues into the mandibular foramen, where it enters the bone to supply the molars and premolars. The nerve exits the mandible through the mental foramen as the mental nerve, innervating the chin and lower lip.
What else can I help you with?
Which Maxillary nerves supply to maxillary teeth?
The maxillary teeth are supplied by the following branches of the Maxillary nerve, which is itself a branch of the Trigeminal nerve:-Anterior Superior Alveolar Nerve: Upper incisors and caninesMiddle Superior Alveolar Nerve: Upper premolarsPosterior Superior Alveolar Nerve: Upper molar, and also upper premolars in the absence of the Middle SAN.
Why posterior superior alveolar nerve block does not have subjective symptoms?
The posterior superior alveolar nerve block is usually performed in the region of the maxillary molars, where the nerve innervates. The block effectively numbs the nerve, preventing transmission of pain signals to the brain, which is why subjective symptoms are typically not felt during the procedure.
What causes Anterior superior alveolar nerve?
The anterior superior alveolar nerve can be affected by trauma to the maxilla during dental procedures, dental implants, or maxillofacial surgery. It can also be damaged by infections, cysts, or tumors in the maxillary region.
How many branches does the mandibular nerve have?
The mandibular nerve, which is the third division of the trigeminal nerve (CN V3), has several branches. It primarily divides into three main branches: the anterior trunk, which further gives rise to motor branches and sensory branches, and the posterior trunk, which provides sensory innervation. Key branches include the inferior alveolar nerve, lingual nerve, and buccal nerve, among others. Overall, the exact number of branches can vary, but it typically includes around five to six significant branches.
What nerve supplies the external anal sphincter?
The external anal sphincter is primarily supplied by the inferior rectal nerve, a branch of the pudendal nerve.
Which muscle is affected during inferior alveolar nerve block?
The muscle affected during an inferior alveolar nerve block is the temporalis muscle.
Nerve that helps feel a toothache?
On the top (maxilla) it is the superior alveolar nerve. On the bottom (mandible) it is the inferior alveolar nerve.
Is inferior alveolar nerve sensory or motor?
it is sensory
What kind of nerve is the trigeminal nerve?
Cranial Nerve 5 (trigeminal), division V3 contains a buccal nerve, a lingual nerve and an inferior alveolar nerve.
Which Nerve supplies the third molars?
Your third molars, or wisdom teeth as they are often called, are supplied by the inferior alveolar nerve (lower thirds) and the posterior superior alveolar nerve (upper thirds), which are branches of the Trigeminal (5th cranial) nerve.
What are pulpal reaction to local anesthesia?
The most commonly used local anesthetic is lidocaine (also called xylocaine or lignocaine), a modern replacement for novocaine and procaine. Its half-life in the body is about 1.5-2 hours. Other local anesthetics in current use include articaine, septocaine, marcaine (a long-acting anesthetic), and mepivacaine. A combination of these may be used depending on the situation. Also, most agents come in two forms: with and without epinephrine. The most common technique, effective for the lower teeth and jaw, is inferior alveolar nerve anesthesia. An injection blocks sensation in the inferior alveolar nerve, which runs from the angle of the mandible down the medial aspect of the mandible, innervating the lower teeth, lower lip, chin, and tongue. The inferior alveolar nerve probably is anesthetized more often than any other nerve in the body. To anesthetize this nerve, the dentist inserts the needle somewhat posterior to the patient's last molar. Several nondental nerves are usually anesthetized during an inferior alveolar block. Themental nerve, which supplies cutaneous innervation to the anterior lip and chin, is a distal branch of the inferior alveolar nerve. When the inferior alveolar nerve is blocked, the mental nerve is blocked also, resulting in a numb lip and chin. Nerves lying near the point where the inferior alveolar nerve enters the mandible often are also anesthetized during inferior alveolar anesthesia. For example, the lingual nerve can be anesthetized to produce a numb tongue. The facial nerve lies some distance from the inferior alveolar nerve, but in rare cases anesthetic can diffuse far enough posteriorly to anesthetize that nerve. The result is a temporary facial palsy (paralysis or paresis), with the injected side of the face drooping because of flaccid muscles, which disappears when the anesthesia wears off. If the facial nerve is cut by an improperly inserted needle, permanent facial palsy may occur.
Which artery is behind the ramus with five branches?
Inferior alveolar artery
What action or diffusion through bone and apices of teeth is applicable to which injection?
The action or diffusion through bone and apices of teeth is particularly applicable to the inferior alveolar nerve block injection. This technique targets the inferior alveolar nerve as it enters the mandibular foramen, allowing anesthetic to diffuse through the surrounding bone and effectively numb the lower teeth, including the molars. The diffusion is crucial for achieving profound anesthesia in procedures involving the mandibular arch.
Can anesthesia cause numbness to the tongue?
yes, especially inferior alveolar block
Which Maxillary nerves supply to maxillary teeth?
The maxillary teeth are supplied by the following branches of the Maxillary nerve, which is itself a branch of the Trigeminal nerve:-Anterior Superior Alveolar Nerve: Upper incisors and caninesMiddle Superior Alveolar Nerve: Upper premolarsPosterior Superior Alveolar Nerve: Upper molar, and also upper premolars in the absence of the Middle SAN.
Why posterior superior alveolar nerve block does not have subjective symptoms?
The posterior superior alveolar nerve block is usually performed in the region of the maxillary molars, where the nerve innervates. The block effectively numbs the nerve, preventing transmission of pain signals to the brain, which is why subjective symptoms are typically not felt during the procedure.
Which maxillary nerve is involved if a patient has a toothache on tooth 4?
Tooth 4 typically refers to the maxillary first premolar. The maxillary nerve involved in this case is the superior alveolar nerve, specifically the posterior superior alveolar nerve, which supplies sensation to the maxillary molars and premolars. In some cases, the middle superior alveolar nerve may also contribute, depending on the individual anatomy. Therefore, irritation or inflammation affecting this nerve could be the cause of the toothache.
