Comparing extra-oral and intra-oral x-rays for detecting dental issues

Accuracy of Extra-oral Bite-wing Radiography in Detecting Calculus and Crestal Bone Loss

Observational University of Colorado, Denver · NCT05887128

This study is testing whether extra-oral x-rays or intra-oral x-rays are better at spotting dental problems like calculus and bone loss in patients with deeper gum pockets.

Quick facts

Study typeObservational
Enrollment80 (estimated)
Ages18 Years to 100 Years
SexAll
SponsorUniversity of Colorado, Denver Academic / other
Locations1 site (Aurora, Colorado)
Trial IDNCT05887128 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the diagnostic accuracy of extra-oral bite-wing radiography compared to intra-oral x-rays in detecting calculus and crestal bone loss in patients undergoing periodontal surgery. It will involve patients who have probing depths of 5mm or more and radiographic signs of marginal bone loss. The study will assess the effectiveness of these imaging techniques against clinically observed measurements to determine which method provides better diagnostic information.

Who should consider this trial

Good fit: Ideal candidates are patients at the CU School of Dental Medicine with active treatment plans for periodontal surgery and specific periodontal conditions.

Not a fit: Patients under 18, those with ASA III or higher classifications, or those who are pregnant will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the accuracy of periodontal diagnostics, leading to better treatment outcomes for patients.

How similar studies have performed: While this study explores a specific comparison, similar studies have shown varying success in improving diagnostic techniques in periodontal care.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients must be active patients of record at CU School of Dental Medicine
* Patients will have an active treatment plan for periodontal open flap surgery
* Patients will be classified as either ASA I or ASA II
* Patients must have periodontal probing depths \>/= 5mm and radiographic sings of marginal bone loss (supra or infra bony)

Exclusion Criteria:

* Less than 18 years of age
* ASA III or above
* Emergency patients
* Pregnant patients
* Patients who are not patients of record at the CU School of Dental Medicine
* Patients with a recent panoramic radiograph that contraindicates the need for new imaging in the form of extra-oral bitewings

Where this trial is running

Aurora, Colorado

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions PeriodontitisCalculus, DentalBone Loss, Alveolar
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.