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The Effect of Buccal Infiltration Administration of Clonidine on the Success Rate of Inferior Alveolar Nerve Block

Symptomatic Irreversible Pulpitis Clinical Trial

Official title:
The Effect of Buccal Infiltration Administration of Clonidine on the Success Rate of Inferior Alveolar Nerve Block on Mandibular Molars With Symptomatic Irreversible Pulpitis: a Randomized Double-blind Clinical Trial

Clinical Trial Summary

Articaine/epinephrine and lidocaine/epinephrine are the most common routine local anesthetic agents currently used in dentistry. However, their anesthetic efficacy and pain control in patients with symptomatic irreversible pulpitis via inferior alveolar nerve block is very low. The aim of this study is to investigate the efficacy of clonidine versus articaine/epinpephrine as a local anesthetic agent for a buccal infiltration after IANB administration with lidocaine for (1) successful IANB, (2) hemodynamic stability, and (3) reducing dental anxiety for endodontic treatment in mandibular molars diagnosed with symptomatic irreversible pulpitis.

Clinical Trial Description

Articaine/epinephrine and lidocaine/epinephrine are the most common routine local anesthetic agents currently used in dentistry. However, their anesthetic efficacy and pain control in patients with symptomatic irreversible pulpitis via inferior alveolar nerve block is very low. The aim of this study is to investigate the efficacy of clonidine versus articaine/epinpephrine as a local anesthetic agent for a buccal infiltration after IANB administration with lidocaine for (1) successful IANB, (2) hemodynamic stability, and (3) reducing dental anxiety for endodontic treatment in mandibular molars diagnosed with symptomatic irreversible pulpitis. 100 patients with first or second mandibular molars diagnosed with symptomatic irreversible pulpitis will be enrolled. Patients will randomly receive either 1.7mL of clonidine (1:100,000) or 1.7mL of 4% articaine with epinephrine (1:100,000) using buccal infiltration technique after administration of 1.7mL of 2% lidocaine with epinephrine (1:100,000) using an IANB technique. 15 minutes after injection, lip numbness will be checked. Those who reported lip numbness will be checked for pulpal anesthesia. Those who achieve profound pulpal anesthesia will be included in the study. Patient's pain score will be recorded using a Heft-Parker visual analog scale before, during and after endodontic treatment. Success in IANB is defined as no or mild pain upon endodontic access cavity preparation and initial canal instrumentation. The hemodynamic parameters and pain management will be measured before and after root canal treatment with specific intervals. Patient's dental anxiety level will be measured by VAS-Anxiety preoperatively, before IANB administration, before endodontic treatment and after the treatment. ;

Study Design

Related Conditions & MeSH terms

  • Pulpitis
  • Symptomatic Irreversible Pulpitis
Clinical Trial Details
NCT number NCT04186299
Study type Interventional
Source University of California, San Francisco
Contact
Status Withdrawn
Phase Phase 4
Start date August 2021
Completion date December 2022
View Details
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