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Comparison of Two Topical Anesthetics: Benzocaine Versus Pliaglis

Information source: University of Michigan
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Anesthesia of Mucous Membrane

Intervention: Pliaglis (Drug); Benzocaine (Drug); Articaine (Drug)

Phase: Phase 4

Status: Recruiting

Sponsored by: University of Michigan

Official(s) and/or principal investigator(s):
Brian l Royle, DDS, Principal Investigator, Affiliation: University of Michigan department of Endodontics

Overall contact:
Brian L Royle, DDS, Phone: 734-764-1540, Email: brroyle@umich.edu

Summary

This project will be a double blind study comparing the efficacy of two different topical anesthetics used to reduce the pain associated with insertion of dental needles on the palatal mucosa. The two topical anesthetics being compared are 20% Benzocaine, and Pliaglis. In order to complete a number of different dental procedures it is often necessary to provide local anesthesia of the palate. Intraoral injections into the palatal mucosa are often uncomfortable and even painful. In an effort to increase patient comfort, a topical anesthetic is often used prior to the injection. Test subjects undergoing routine endodontic treatment on maxillary teeth will have a 27- gauge dental needle inserted into the mucosa of the hard palate as part of the initial step in standard local anesthetic injection. At the injection site and prior to the needle stick, the mucosa will be topically anesthetized by using one of the two different test compounds (Benzocaine or Pliaglis). After the injection patients will be asked to score the level of discomfort associated with the needle stick. The purpose of the project is to determine if there is a clinical difference in the level of pain felt upon needle stick, between the two different topical anesthetics.

Clinical Details

Official title: Comparison of Efficacy of Two Topical Anesthetics: Benzocaine Versus Pliaglis for Control of Pain Associated With Dental Needle Insertion in the Palate, A Double Blind Study

Study design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention

Primary outcome: Measurement of pain associated with injection, in millimeters, according to visual analog scale

Detailed description: The Efficacy of the topical anesthetics will be determined by how much pain the patient felt (using a Heft-Parker pain analog scale) upon needle penetration.

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- normal healthy adults 18+ yrs old requiring root canal treatment of maxillary molars

- Patients with healthy mucosal tissues, and who do not have pain on palpation at

injection site

- Ability to use and understand a VAS score

- Ability to use and understand a VAS score

- No know allergies to topical anesthetics being used

Exclusion Criteria:

- Allergy or other contraindications to topical anesthetics

- Allergy to epinephrine or local anesthetics

- Broken/unhealthy mucosal tissues and pain on palpation at injection site

- Patients needing endodontic therapy on maxillary anterior teeth

- Inability to consent to participate in the study

- Patients who have used analgesics within 6 hours of appointment time

- Pregnant and nursing women

Locations and Contacts

Brian L Royle, DDS, Phone: 734-764-1540, Email: brroyle@umich.edu

University of Michigan Dental School, Ann Arbor, Michigan 48109, United States; Recruiting
brian l royle, dds, Phone: 734-764-1540, Email: brroyle@umich.edu
brian l royle, dds, Principal Investigator
Additional Information

Starting date: August 2013
Last updated: September 24, 2013

Page last updated: August 23, 2015

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