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
Mainjot Amélie
30 participants
Apr 1, 2026
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
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
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)
View Full Details on ClinicalTrials.gov
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NCT07533240