Document Detail

PSA block for maxillary molar's anesthesia - an obsolete technique?
MedLine Citation:
PMID:  21925909     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Routine use of posterior superior alveolar (PSA) nerve block or maxillary infiltration for the removal of maxillary molars has been validated.
OBJECTIVE: The present study was undertaken to determine the relative contribution of posterior superior alveolar (PSA) block in cases of anesthesia required for maxillary molars.
STUDY DESIGN: One hundred patients requiring removal of maxillary second and third molars were enrolled. These patients were divided into 2 groups. One group received infiltration for anesthesia and other group received PSA nerve block using lignocaine with vasoconstrictor. All extractions were performed using a consistent technique of intraalveolar extraction. Data relating to the pain during extraction obtained on a visual analog scale and a verbal response scale, requirement of repeated injection for anesthesia, efficacy of these injections in localized infections, and requirement of rescue analgesics 3 hours after extraction.
RESULTS: Statistical data confirmed clinical equivalence between infiltration and PSA nerve block.
CONCLUSIONS: Considering the difficulty in mastering the technique of PSA nerve block, and the possibility of more complications associated with it (compared with infiltration); it may not be necessary for anesthesia of maxillary molars.
Mukul Padhye; Savina Gupta; Girish Chandiramani; Rati Bali
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial     Date:  2011-09-16
Journal Detail:
Title:  Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics     Volume:  112     ISSN:  1528-395X     ISO Abbreviation:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-11-21     Completed Date:  2012-04-27     Revised Date:  2012-11-09    
Medline Journal Info:
Nlm Unique ID:  9508562     Medline TA:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e39-43     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2011 Mosby, Inc. All rights reserved.
Department of Oral and Maxillofacial Surgery, Padmashree Dr. D Y Patil Dental College and Hospital, Navi Mumbai, India.
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MeSH Terms
Analgesics, Non-Narcotic / therapeutic use
Anesthesia, Dental / methods*
Anesthetics, Local / administration & dosage
Anti-Inflammatory Agents, Non-Steroidal / therapeutic use
Epinephrine / administration & dosage
Hematoma / etiology
Injections / methods
Lidocaine / administration & dosage
Maxillary Nerve / drug effects*
Molar / innervation*,  surgery
Molar, Third / innervation,  surgery
Nerve Block / methods*
Pain Measurement
Pain, Postoperative / drug therapy
Periapical Diseases / complications
Postoperative Complications
Postoperative Hemorrhage / etiology
Tooth Extraction / methods*
Treatment Outcome
Trismus / etiology
Vasoconstrictor Agents / administration & dosage
Reg. No./Substance:
0/Analgesics, Non-Narcotic; 0/Anesthetics, Local; 0/Anti-Inflammatory Agents, Non-Steroidal; 0/Vasoconstrictor Agents; 137-58-6/Lidocaine; 51-43-4/Epinephrine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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