Validity of a new index and a new classification in predicting difficulty of mandibular third molar extraction

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20200423001

Enrollment

Unknown

Registered

2020-04-23

Start date

2018-09-01

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

Mandibular third molar Mandibular third molar

Interventions

Investigate the difficulty score for M3M among all patients

Experimental Procedure/Surgery

Mandibular third molar extraction

Eligibility

Sex/Gender

All

Age

15 Years to 50 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria 1-Healthy patient class I & II according to ASA (American Society of Anesthesiologists). 2-Patient with a need for surgical removal of at least one impacted mandibular third molar. 3-Patient age >15 years old.

Exclusion criteria

Exclusion criteria: Exclusion criteria 1-Patients with compromised medical status Class III & IV according to American Society of Anesthesiologists (ASA). 2-Extreme of age >50 years. 3-When a removal of impacted tooth cause damage of adjacent vital structures. 4-Pregnant or lactating women.

Design outcomes

Primary

Measure	Time frame
Difficulty score Before and after operation Index	—

Secondary

Measure	Time frame
Complications Before and after Rate	—

Contacts

Public ContactFiras Jamil

College of dentistry/Baghdad Univetsity

cbf_rm@yahoo.com07901892291

Outcome results

None listed

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