A Deep Learning Model for Assessing Second Molar Root Resorption to Guide Impacted Wisdom Tooth Extraction Decisions:A Multicenter Study

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500100382

Enrollment

Unknown

Registered

2025-04-08

Start date

2020-08-01

Completion date

Unknown

Last updated

2025-04-14

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

Conditions

Abnormal development of facial, oral or dental structures

Interventions

Cases group:None

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Subjects >= 18 years old and < 60 years old 2. M2 root formation 2/3 3. M2 no apical inflammation 4. Non-caries root absorption 5. M3 complete bone ambush 6. Overall health, no underlying diseases

Exclusion criteria

Exclusion criteria: 1.Subjects = 60 years of age 2. M2 root formation is less than 2/3 3. M2 has external root absorption caused by apical inflammation 4. M3 does not have complete bone ambush 5. Periodontal disease, caries subjects 6. Have an underlying illness 7. During orthodontic treatment 8. Pregnant women

Design outcomes

Primary

Measure	Time frame
The degree of root absorption;	—

Secondary

Measure	Time frame
related clinical symptoms of absorbing teeth;	—

Countries

China

Contacts

Public ContactKexiong Ou Yang

Guangzhou Medical University Stomatological Hospital

ouyangkexiong@163.com+86 136 3227 2822

Outcome results

None listed

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