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Related Experiment Videos

Managing local anesthesia problems in the endodontic patient.

R E Walton1, M Torabinejad

  • 1Department of Endodontics, University of Iowa College of Dentistry, Iowa City 52242.

Journal of the American Dental Association (1939)
|May 1, 1992
PubMed
Summary

Achieving profound anesthesia for root canal therapy involves conventional injections, followed by supplemental techniques like periodontal ligament (PDL) or intrapulpal injections if needed. PDL injections are preferred over intrapulpal for better safety and effectiveness.

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Area of Science:

  • Dentistry
  • Anesthesiology
  • Endodontics

Background:

  • Root canal therapy faces challenges due to patient pain and inadequate anesthesia.
  • Patient apprehension and inflammation reduce anesthetic effectiveness, necessitating advanced techniques.

Purpose of the Study:

  • To outline effective strategies for achieving profound dental anesthesia during root canal therapy.
  • To compare supplemental injection techniques and anesthetic agents for pain management.

Main Methods:

  • Conventional block or infiltration injections as the primary approach.
  • Supplemental periodontal ligament (PDL) or intrapulpal injections when initial anesthesia is insufficient.
  • Use of 2% lidocaine with epinephrine and 0.5% bupivacaine with epinephrine.

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Main Results:

  • PDL injections are generally safer and more effective than intrapulpal injections.
  • Both PDL and intrapulpal injections require back-pressure for short-lived anesthesia.
  • Bupivacaine provides long-lasting anesthesia for prolonged procedures or emergencies.

Conclusions:

  • A stepwise approach using conventional and supplemental injections ensures profound anesthesia for root canal procedures.
  • Careful selection of anesthetic agents and techniques optimizes patient comfort and treatment success.