Using olive oil in the removal of broken tools from the root canal

Comparison between EDTA and olive oil as lubricant agents in intracanal separated instruments removal for lower molars: in vivo study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN28549373

Enrollment

Registered

2022-11-04

Start date

2021-05-01

Completion date

Unknown

Last updated

2022-11-28

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

Conditions

Separated instrument (SI) in the middle third of the mesio-lingual canal of mandibular first molars Oral Health

Interventions

Current interventions as of 14/11/2022: Participants are randomized with a 1:1 allocation ratio (simple randomizations using Excel sheets) to use either EDTA (15 molars) or olive oil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients aged between 21 and 54 years 2. SI in the middle third of the mesio-lingual canal of mandibular first molars 3. Attend the endodontic department during the study period 4. Agreed to participate in the study

Exclusion criteria

Exclusion criteria: 1. Systemic diseases that compromise general immune status 2. Unrestorable teeth 3. Curved mesio-lingual canal (>30 degrees) 4. Long mesio-lingual canal (>25 mm) 5. >5 mm SI length

Design outcomes

Primary

Measure	Time frame
Successful removal of SI (0= not successful, 1= successful), measured at the time of treatment, the same day as the operation	—

Secondary

Measure	Time frame
Time until the removal of the SI measured in minutes at the time of the operation	—

Countries

Syria

Outcome results

None listed

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