RecruitingNot ApplicableNCT07533240

Orthodontic and Articular Effects of the One-Step No-Prep Protocol

Investigation of the Orthodontic and Articular Effects of the One-Step No-Prep Protocol


Sponsor

Mainjot Amélie

Enrollment

30 participants

Start Date

Apr 1, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

This study investigates how the One-Step No-Prep protocol with orthodontic assistance affects dental and jaw function in adults treated for localized tooth wear. It focuses on the predictability and extent of orthodontic tooth movements, the impact on temporomandibular joint position and function, and the quality and long-term stability of the restored bite. Participants will receive minimally invasive bonded restorations combined with simple orthodontic mechanics. The study will evaluate changes in tooth position, bite contacts, facial vertical height, and temporomandibular joint function using digital scans, low-dose 3D imaging, jaw-tracking, and clinical examinations. Patient comfort, function, and satisfaction will also be assessed through questionnaires. The goal is to better understand how this conservative treatment performs over time.


Eligibility

Min Age: 18 Years

Inclusion Criteria5

  • Localized tooth wear that will be treated, or has already been treated, using the OSNPO protocol.
  • Age 18 years or older.
  • Sufficient cognitive ability to understand the study procedures and complete the required assessments.
  • Ability to read and complete the study questionnaires in French.
  • Written informed consent provided.

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Interventions

RADIATIONLow-dose Cone-Beam Computed Tomography

Acquisition of a low-dose, large-field CBCT scan performed specifically for research purposes after completion of the OSNPO treatment, used to assess tooth movements, vertical facial dimensions, and temporomandibular joint position.


Locations(1)

University Hospital of Liège

Liège, Belgium

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NCT07533240