Healthy
Conditions
Keywords
Mandibular nerve, Mental nerve, Mandibular incisive nerve, Local anesthesia, None, only healthy subjects will be enrolled in this study
Brief summary
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).
Interventions
IM. Lidocaine 2% 7.2ML
Sponsors
Study design
Eligibility
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
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Quantitative sensory test | 15 minutes | Measurement of sensory conduction of A-beta, A-delta, C-fibers of mandibular nerve, using electronic neurometer. |