Local Anesthesia Final Exam Questions with Correct Answers 100% Verified Who was the first dentist to use laughing gas? - Correct Answers Dr. Horace Wells What is important to consider if a patient is an opium user? - Correct Answers it is an absolute contraindication with local anesthesia because it can be life threatening Define pain - Correct Answers an unpleasant sensory and emotional experience Define pain control - Correct Answers mechanism to alleviate pain Define pain reaction - Correct Answers personal interpretation and response to pain message varies in individuals Pain reaction can be affectd by - Correct Answers emotional state fatigue and stress age and cultural characteristics fears and apprehensions Define pain threshold - Correct Answers the point at which a sensation starts to be painful and discomfort results varies in individuals Which receptors are most sensitive to epinephrine? - Correct Answers beta I receptors Which receptors relax the bronchial muscle? - Correct Answers beta II receptors Posterior Superior Alveolar Injection (PSA) - Correct Answers insertion at the height of the mucobuccal fold above the maxillary 2nd molar, posterior superior and medial to the posterior border of the maxilla maxillary molars (sometimes the mesiobuccal root of the first molars), buccal periodontium and gingiva 0.9 to 1.8 mL or one-half to full cartridge 1 / 2
Maxillary Superior Alveolar Injection (MSA) - Correct Answers insertion at the height of the maxillary mucobuccal fold of the maxillary second premolar maxillary premolars and mesiobuccal root of the maxillary first molar 0.9 to 1.2 mL or one-half to two-thirds of a cartridge Anterior Superior Alveolar Injection (ASA) - Correct Answers inserted at the height of the maxillary mucobuccal fold of the maxillary canine and just medial to and parallel to the canine eminence maxillary anterior teeth 0.9 to 1.2 mL or one-half to two-thirds of a cartridge Greater Palatine Injection (GP) - Correct Answers insertion at the palatal tissue 1-2mm slightly anterior to the greater palatine foramen posterior hard palate and palatal periodontium and gingiva of ipsilateral maxillary posterior teeth 0.45 to 0.6 mL or one-fourth to one-third cartridge until blanching Nasopalatine Injection (NP) - Correct Answers insertion at the palatal tissue lateral to incisive papilla and palatal to maxillary central incisors no teeth are anesthetized; anterior hard palatal and palatal periodontium and gingiva of the maxillary anterior teeth bilaterally 0.45 mL or one-fourth of cartridge Inferior Alveolar Injection (IA) - Correct Answers insertion at the depth of the coronoid notch, in the deepest part of the pterygomandibular fold (raphe), parallel with the occlusal plane mandibular teeth to midline, gingiva, lower lip, anterior 2/3 of the tongue, floor of the mouth Long Buccal Injection (LB) - Correct Answers buccal mucosa distal and buccal to most distal mandibular molar no teeth, buccal gingival tissue of the mandibular molar Mental/ Incisive Injection - Correct Answers depth of the mucobuccal fold anterior to the mental foramen, at the mental foramen and inferior to the apices of the mandibular premolars no teeth, 2nd premolars to midline, mental, lower lip
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