Development and clinical promotion of a minimally invasive device for the removal of intracanal separated instrument

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000033119

Enrollment

Unknown

Registered

2020-05-21

Start date

2020-07-01

Completion date

Unknown

Last updated

2020-05-25

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

Conditions

Intracanal separated instruments

Interventions

Experimental group:N/A

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Patients with instrument separation during root canal treatment; 2. The fragments are located in root canals and the residual dentin thickness is sufficient after establishing straight-line access to the coronal end of the instrument; 3. Aged between 18 and 60 years.

Exclusion criteria

Exclusion criteria: 1. Patients with a history of major systemic diseases and infectious diseases; 2. The fragments goes beyond the apical foramen; 3. Residual dentin thickness is not sufficient after establishing straight-line access to the coronal end of the instrument; 4. The researcher believes that there are other inappropriate conditions.

Design outcomes

Primary

Measure	Time frame
Success rate;Dentin thickness;Operating time;	—

Countries

China

Contacts

Public ContactGao Yuan

West China Dental Hospital of Sichuan University

gaoyuan@scu.edu.cn+86 15378192906

Outcome results

None listed

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