Comparison of time at which the patient starts feeling the numbness and its duration and quality after local anesthesia injection using computerised injection system

A randomised split mouth clinical trial comparing anaesthetic efficacy of Articaine in inferior alveolar nerve block with conventional syringe versus computer controlled delivery technique

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2018/04/013077

Enrollment

100

Registered

2018-04-05

Start date

Unknown

Completion date

Unknown

Last updated

2021-11-24

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

Conditions

Health Condition 1: null- Bilateral mandibular molars with asymptomatic apical periodontitis

Interventions

Intervention1: Conventional cartridge and needle and computer controlled local anaesthesia delivery system: Inferior alveolar nerve block administed using Conventional cartridge ans needle and compute

Eligibility

Inclusion criteria

Inclusion criteria: Patients willing to participate in the study Age group : 20 - 45 years Patients who require local anesthetic injections on at least 2 occassions on bilateral mandibular molars for endodontic procedures Mandibular permanent molars, with fully formed roots (confirmed by periapical radiograph) with asymptomatic apical periodontitis and asymptomatic pulpitis Pulp tests: Delayed response with Electric pulp tester(EPT) Radiograph : Widening of PDL space with intact lamina dura Patients would not have undergone any previous dental local anesthetic experience, in order to be not influenced by a positive or a negative memory Patient would not have taken any medication for the past 2 weeks

Exclusion criteria

Exclusion criteria: Patients not willing to participate in the study Pregnant patients History of allergy to the components of the local anesthetic solutions Patients who received local anesthesia before the experiment Subjects with systemic diseases Patients on any kind of medication Patients with psychiatric illness Unco-operative patients Active sites of infection in the area of injection

Design outcomes

Primary

Measure	Time frame
Anesthetic effect of 4% Articaine with 1:100,000 epinephrineTimepoint: Onset: time when the patient starts feeling tingling sensation on the lip Duration : time when the patient stops feeling any numbness Duration :	—

Secondary

Measure	Time frame
Effect of anesthesia or depth of anesthesiaTimepoint: Any pain during treatment is considered anesthesia failure	—

Countries

India

Contacts

Public ContactDr Dipali Shah

Sinhgad Dental College and hospital Pune

dipali.nagda@yahoo.com9890195100

Outcome results

None listed

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