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OpenTrials
Completed

NCT Number: NCT04488302

Ultrasonography and Cone-Beam Computed Tomography for Peri-implant Tissue Evaluation

Objectives: Although cone-beam computed tomography (CBCT) is becoming a standard of care in implant therapy, concerns have been raised recently about its limitation in imaging peri-implant tissues due to artifacts. The aim of present study was to demonstrate the complementary role of ultrasound (US), for a comprehensive examination of peri-implant tissues in live humans. Material and Methods: Patients with > 1 implant, a CBCT scan, an US scan, and clinical photographs taken during the open-bone surgery were included. The crestal bone thickness (CBT) and facial bone level (FBL) were measured on both modalities, and direct FBL measurements were also made on clinical images. The correlation plots were made to evaluate the measurement agreements between the 3 methods.

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Key information

Conditions

Ultrasonography

Sex eligibility

All sexes

Study type

Observational

Primary location

University of Michigan

Ann Arbor, Michigan, 48109, United States

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • the patients had to have ≥ 1 implant with a CBCT scan, US scan, and clinical photographs taken during the surgery, e.g. a revision/explantation surgery due to peri-implantitis or a 2nd stage uncover surgery.

Treatment and study plan

Primary outcomes

  1. Crestal bone thickness

    Time frame: up to 100 months after implant surgery.

    facial bone thickness measured at 1 mm apical to bone crest

Secondary outcomes

  1. Facial bone height

    Time frame: up to 100 months after implant surgery.

    facial bone height measured from implant platform

Sponsors and collaborators

Lead sponsor

University of Michigan

Other

Registry information

Official study title

A Retrospective Study on Use of Ultrasonography and Cone-Beam Computed Tomography for Evaluating Peri-implant Tissue

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Jul 27, 2020
Registry last updated
Apr 13, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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