NCT03530865

Brief Summary

A cross-sectional study to estimate Variations in the Number of Roots and the Root Canal System of the Permanent Mandibular First and Second Molars in a Sample of Egyptian Population using cone beam computed tomography through retrospective data analysis

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
384

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jun 2018

Shorter than P25 for all trials

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 2, 2018

Completed
2 months until next milestone

First Posted

Study publicly available on registry

May 21, 2018

Completed
11 days until next milestone

Study Start

First participant enrolled

June 1, 2018

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2018

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2018

Completed
Last Updated

May 21, 2018

Status Verified

May 1, 2018

Enrollment Period

3 months

First QC Date

April 2, 2018

Last Update Submit

May 8, 2018

Conditions

Number of RootsNumber of Root Canals

Keywords

mandibular molarsextra rootextra root canalroot morphologycbct endodontics

Outcome Measures

Primary Outcomes (1)

  • Extra root in the first and second mandibular permanent molars

    by Percentage

    six months

Secondary Outcomes (1)

  • Extra root canals in the first and second mandibular permanent molars

    six months

Eligibility Criteria

Age15 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Egyptian population

You may qualify if:

  • Fully maturated and erupted mandibular permanent first and second molars of Egyptian patients, males or females .
  • Intact roots without fractures or cracks .
  • Molars without posts or previous root canal treatment .
  • CBCT scans of mandibular first and second molars using different fields of view, and different voxel resolutions .

You may not qualify if:

  • Evidence of apicectomy or periapical surgery .
  • Mandibular molars with developmental anomalies .
  • External or Internal Root resorption .
  • Root Canal Calcification .
  • Previous Root Canal treatment .
  • Post restorations .

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

April 2, 2018

First Posted

May 21, 2018

Study Start

June 1, 2018

Primary Completion

September 1, 2018

Study Completion

October 1, 2018

Last Updated

May 21, 2018

Record last verified: 2018-05