COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC:

Get the latest research information from NIH: Menu

Assessment Root Apex Position of Mandibular Molars and Premolars Linear to Inferior Alveolar Canal Among Egyptian Population Using CBCT

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03537209
Recruitment Status : Unknown
Verified May 2018 by Farid Medhat, Cairo University.
Recruitment status was:  Not yet recruiting
First Posted : May 25, 2018
Last Update Posted : May 25, 2018
Information provided by (Responsible Party):
Farid Medhat, Cairo University

Brief Summary:
Linear relation between premolars and molars root apex and superior border of inferior alveolar canal

Condition or disease
Linear Measurement Between Roots of Mandibular Premolars & Molar & IAC

Show Show detailed description

Layout table for study information
Study Type : Observational
Estimated Enrollment : 162 participants
Observational Model: Other
Time Perspective: Retrospective
Official Title: Assessment of Root Apex Position of Mandibular Molars and Premolars Linear to Inferior Alveolar Canal Among a Sample of Egyptian Population Using CBCT: A Cross Sectional Study
Estimated Study Start Date : July 1, 2018
Estimated Primary Completion Date : October 1, 2018
Estimated Study Completion Date : November 1, 2018

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. Distance between root apices of mandibular premolars and molars to inferior alveolar canal [ Time Frame: 2018 ]
    measurement in millimeters using CBCT software Romexis®

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Layout table for eligibility information
Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Adult Egyptian population

Inclusion Criteria:

  • First and second mandibular permanent premolars and molars of Egyptian patients starting from 18 years, males or females.
  • Intact roots without fractures or cracks.
  • Posterior teeth are present and their adjacent and opposing teeth.
  • Absence of radiological evidence of dental malocclusion that could have altered the position of premolars or molars.
  • CBCT scans of mandibular first and second premolars and molars using 20 x 10 cm FOV, 0.4mm voxel resolution.

Exclusion Criteria:

  • Evidence of apicectomy or periapical surgery.
  • Odontogenic or non-odontogenic pathology.
  • Congenital deformity of the mandible.
  • External Root resorption.
  • Previous history of fracture of the mandible.
  • Tomographic images of poor quality or artifacts interfering with the detection of mandibular canal and apical morphology of the teeth.
  Study Documents (Full-Text)

Documents provided by Farid Medhat, Cairo University:
Study Protocol  [PDF] May 9, 2018

Layout table for additonal information
Responsible Party: Farid Medhat, Assistant Professor of Oral & Maxillofacial Radiology, Faculty of Dentistry, Cairo University Identifier: NCT03537209    
Other Study ID Numbers: Rad 2:5:1
First Posted: May 25, 2018    Key Record Dates
Last Update Posted: May 25, 2018
Last Verified: May 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

Layout table for additional information
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No