Surgical extraction with or without orthodontic traction for high-risk impacted mandibular third molars in contact to inferior alveolar nerve: a randomized controlled trial

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000034050

Enrollment

Unknown

Registered

2020-06-22

Start date

2020-07-01

Completion date

Unknown

Last updated

2020-06-22

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

Conditions

impacted mandibular third molars in contact to inferior alveolar nerve

Interventions

Experimental group:orthodontic extraction

Control group:impacted molar extraction

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. impacted third molar; 2. impacted mandibular third molars in contact to inferior alveolar nerve; 3. Aged 18-40 years.

Exclusion criteria

Exclusion criteria: 1. Nerve had damaged such as numbness of the lips and chin; 2. The third molar of the mandible is in close contact with the root of the second molar, resulting in serious absorption of the second molar root; 3. The patient has a basic disease that is intolerant to impacted tooth extraction.

Design outcomes

Primary

Measure	Time frame
inferior alveolar nerve injury;	—

Secondary

Measure	Time frame
orthodontics extraction time;third molar extraction time;post surgery complication;treatment cost;	—

Countries

China

Contacts

Public ContactLong Hu

West China School of Stomatology, Sichuan University

hlong@scu.edu.cn+86 028-85501442

Outcome results

None listed

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