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Effect of temperature local dental anesthetics on injection pain

Effect of temperature local dental anesthetics on injection pain: a split mouth study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN78906795
Enrollment
42
Registered
2015-08-04
Start date
2015-06-01
Completion date
Unknown
Last updated
2020-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Perception of pain felt during dental procedures after administration of anesthesia Oral Health

Interventions

In dental student volunteers, a dentist of Dental Emergency Service will administer in two points of the maxilla: One side with a 0,9 ml anesthesia ( 2% lidocaine with epinephrine 1: 100,000) in 42°C
and opposite side 0,9 ml of the same anesthetic in room temperature (21°C). Then, a researcher will show a Visual Analogue Scale with ten points (0=none pain to 10= unbearable pain) where the patient

Sponsors

Austral University of Chile (Universidad Austral de Chile)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Students over the age of 18 2. Given their informed consent

Exclusion criteria

Exclusion criteria: 1. Students with hypertension 2. Students with acute abscess or swelling at the injection site

Design outcomes

Primary

MeasureTime frame
1. Independent Variable: 2 groups of cartridge anesthesia temperature: cartridge in 42°C and cartridge in temperature room (21°C) 2. Dependent Variable: Intensity pain level (VIsual Analogue Scale - VAS) from 0 point (no pain) to 10 points (unbearable pain)

Countries

Chile

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026