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Quantitative Sensory Testing of the Lower Lip After Inferior Alveolar Nerve Block, and Evaluation of the Role of the Contra-lateral Inferior Alveolar Nerve

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified February 2012 by K Blal, Hadassah Medical Organization.
Recruitment status was:  Not yet recruiting
ClinicalTrials.gov Identifier:
First Posted: February 9, 2012
Last Update Posted: February 9, 2012
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
K Blal, Hadassah Medical Organization

The purpose of this study is to determine the contribution of the innervation of the contra-lateral mandibular nerve for the innervation of the lower lip area.

The investigators hypothesis is that the sensation of the lower lip is contributed by both mandibular nerves (from both sides of the jaw).

Condition Intervention
Healthy Procedure: Temporary blocking of mandibular nerve

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Diagnostic

Further study details as provided by K Blal, Hadassah Medical Organization:

Primary Outcome Measures:
  • Quantitative sensory test [ Time Frame: 15 minutes ]
    Measurement of sensory conduction of A-beta, A-delta, C-fibers of mandibular nerve, using electronic neurometer.

Estimated Enrollment: 60
Study Start Date: March 2012
Estimated Study Completion Date: December 2013
Estimated Primary Completion Date: December 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Study Group Procedure: Temporary blocking of mandibular nerve
IM. Lidocaine 2% 7.2ML


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Ages Eligible for Study:   18 Years to 70 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy subjects with no systemic diseases, chronic medication, past nerve injury, or sensory complaint.

Exclusion Criteria:

  • Hypersensitivity/allergy to local anesthetic materials
  • Systemic diseases, Chronic medication
  • Past nerve injury
  • Congenital or acquired deformity in the lower jaw
  • Past fractures/neoplasm of the lower jaw
  • Past surgery to the lower lip
  Contacts and Locations
No Contacts or Locations Provided
  More Information

Responsible Party: K Blal, Dr. Blal Kifah, Hadassah Medical Organization
ClinicalTrials.gov Identifier: NCT01530074     History of Changes
Other Study ID Numbers: QSensory-HMO-CTIL
First Submitted: February 7, 2012
First Posted: February 9, 2012
Last Update Posted: February 9, 2012
Last Verified: February 2012

Keywords provided by K Blal, Hadassah Medical Organization:
Mandibular nerve
Mental nerve
Mandibular incisive nerve
Local anesthesia
None, only healthy subjects will be enrolled in this study