Anaesthesia in the mandible Oral Health N/A
Conditions
Interventions
This is a randomised, double-blind, cross-over study. Each volunteer will receive 2 incisive nerve block injections in the mouth, one with and one without massage of the injection site, in random orde
Sponsors
Newcastle upon Tyne Hospitals NHS Foundation Trust (UK)
Eligibility
Inclusion criteria
Inclusion criteria: 1. Healthy adult volunteers 2. Staff or students at the Newcastle University
Exclusion criteria
Exclusion criteria: The volunteers: 1. Individuals under 18 years old 2. Systemic disorders which may place volunteers at risk from local anaesthetic injection for example bleeding disorder, history of infective endocarditis, pregnant women 3. Allergies to local anaesthetics 4. Facial anaesthesia or paraesthesia 5. In dental pain at the time of trial 6. Individuals unable to give informed consent form The teeth: 1. Teeth which respond negatively to baseline pulp testing 2. Key test teeth missing
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Numbness of lower teeth (back teeth) following local anaesthetic injection. This will be assessed by electric pulp testing every 2 minutes after injection for the first 10 minutes then every 5 minutes until 45 minutes. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Injection discomfort, assessed with a visual analogue scale at each visit 2. Duration of numbness after injection | — |
Countries
United Kingdom
Outcome results
None listed