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.
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Three-dimensional orthodontic tooth movements (linear)
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)
Three-dimensional orthodontic tooth movements (angular)
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)
Time required to re-establish functional occlusion
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)
Occlusal contacts
Timeframe: Baseline; 1 month; annually up to 5 years; and at 10 years.
Occlusal contacts stability
Timeframe: Baseline; 1 month; annually up to 5 years; and at 10 years.
Changes in vertical facial height
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)
Temporomandibular joint position
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)
Temporomandibular joint function
Timeframe: Baseline and end of OSNPO treatment (approximately 1 month)