Incidence of positive blood aspiration using non-aspirating dental syringe and aspirating dental syringe following inferior alveolar nerve block

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20190727001

Enrollment

Unknown

Registered

2019-07-27

Start date

2018-06-14

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Intravascular injection Intraarterial Injection Intravenous Injection Inferior Alveolar Nerve

Interventions

Observation of positive or negative blood aspiration into the dental anesthetic cartridge. Comparing of the systolic blood pressure&#44

diastolic blood pressure and pulse rate both pre&#45

injection and immediately post&#45

injection using the same digital blood pressure monitor.,Observation of positive or negative blood aspiration into the dental anesthetic cartridge. Comparing of the systolic blood pressure&#44

injection using the same digital blood pressure monitor.

Experimental Device,Placebo Comparator Device

Non&#45

aspirating dental syringe,Aspirating dental syringe

Eligibility

Sex/Gender

All

Age

6 Years to 86 Years

Inclusion criteria

Inclusion criteria: patients who need inferior alveolar nerve block before dental surgical procedure

Exclusion criteria

Exclusion criteria: 1. contraindicated to epinephrine 2. uncooperative 3. unable to stay still during injection

Design outcomes

Primary

Measure	Time frame
Positive blood aspiration immediately after injection blood in dental anesthetic cartridge	—

Secondary

Measure	Time frame
increased blood pressure and / or heart rate immediately after injection digital sphygmomanometer	—

Countries

Thailand

Contacts

Public ContactNipon Chaisrisookumporn

Lampang Regional Hospital and Medical Center

drniponc@yahoo.com+66817167247

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Incidence of positive blood aspiration using non&#45;aspirating dental syringe and aspirating dental syringe following inferior alveolar nerve block