Local Anesthesia Study guides, Class notes & Summaries

Name the three divisions of the trigeminal nerve. - ANSWER V1 - Opthalmic V2 - Maxillary V3 - Mandibular What foramen does the opthalmic division of the trigeminal nerve travel through? A. Foramen rotundrum B. Foramen ovale C. Superior orbital fissure D. Incisive foramen - ANSWER C. Superior orbital fissure

All of the following are causes for needle breakage except: A. Weakening of the dental needle by bending it before insertion B. Sudden movement by the patient C. Large needles D. Inserting the needle to the hub - ANSWER C. Large needles The most common cause of transient facial paralysis is? A. Introduction of LA into the parotid gland. B. Introduction of LA into the venous plexus C. Introduction of LA into the submandibular gland D. Introduction of LA into the incisive foramen - ANSWER...

Safe way to recap a needle Two handed vs scoop ( scoop is the correct way) Lidocaine (Xylocaine) 1. also available in topical 2. Safe in pregnancy 3. Medium duration 4. MRD: 3.2 mg/pound, up to a maximum of 500mg * MRD: 2.0 mg/lb, up to 300mg

The first objections to the use of inhalation sedation included which of the following? - ANSWER Viewed as a religious offense. It was viewed as unethical practice It was viewed as a retardant to health process Who was the first dentist to us "laughing gas" for dental procedures? - ANSWER Horace Wells A highly effective analgesic & antipyretic compound, introduced in 1899 & still used today is commonly referred to as what? - ANSWER Aspri

cocaine - ANSWER what was the first local anesthetic used in 1860? novacaine - ANSWER what was the first dental local anesthetic used in 1905? Karl Koller - ANSWER who discovered local anesthesia? myelinated nerve - ANSWER nerve wrapped in myelin sheath causes gaps which causes an impulse to jump from node to node impulse travels faste

Lipid solubility determines the ___________ of a local anesthetic. - ANSWER Potency When using an aspirating syringe, the harpoon engages with what? - ANSWER Rubber stopper of the cartridge EMLA is a topical anesthetic that contains which of the following local anesthetic agents? - ANSWER 2.5% Lidocaine and 2.5% Prilocaine

What nerve was damaged if the anterior 2/3 of the tongue has a loss of sensation - facial or lingual? What is the volume of LA anesthetic solution in 2 cartridges of Lidocaine? - 3.6ml? What type of injection would be used to achieve hemostasis - Infiltration Where are used needles disposed - Hazard Sharps

1.8 ML of 2% lidocaine: (x% anesthetic) x (10) = x mg/ML (x mg/mL) x (x Ml/cartridge) x (X cartridges) = x mg of anesthetic Ex. ( 2% Lidocaine) x (10) = 20 mg/ML Lidocaine (20 mg/mL lidocaine) x 1.8 mL/cartridge) x (2 cartridges) = 72 mg lidocaine 1.8 ML X 20mg/ml (Lidocaine) = 36 = 36 mg of 2% lidocaine The insensitivity to pain; nitrous or injections of drugs are administered to prevent pain during surgical or medical procedures. anesthesia Anesthetizes a small area, one or two teeth ...

The mandibular division of the fifth cranial nerve passes through what foramen? - ANSWER Foramen Ovale The nasopalatine nerve passes through the: - ANSWER Incisive foramen The maxillary division of the fifth cranial nerve is: mixed sensory and motor sensory only motor only - ANSWER sensory only