Clear Aligner Therapy, Composite Resins
Conditions
Keywords
surface wear, volume loss, clear aligner attachments, flowable composite
Brief summary
The aim of this study is to investigate the amount of surface wear that may occur during treatment with different composite materials used for clear aligner attachments. Two different flowable composites (AlignerFlow LC, VOCO GmbH, Cuxhaven, Germany; AlignerConnect, GC, Tokyo, Japan) will be used to bond the attachments in split mouth designs. To determine the composite for the upper right segment, a coin toss will be performed. The remaining quadrants will be bonded with alternate composite resin. After bonding, intraoral scans will be performed from baseline to 6 months for every 2 months. Stl files obtained from the scans will be imported to NemoStudio, to evaluate the volume loss of the attachments.
Interventions
PROCEDUREGC Aligner Connect
Patient's upper right segment will be bonded with GC Aligner Connect. Upper left VOCO, lower left GC, lower right VOCO.
PROCEDUREVOCO AlignerFlow LC
Patient's upper right segment will be bonded with VOCO AlignerFlow LC. Upper left GC, lower left VOCO, lower right GC
Sponsors
Marmara University
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
14 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Receiving Invisalign treatment at the Clinic of the Department of Orthodontics, Faculty of Dentistry, Marmara University * Mild to moderate crowding * Exhibiting good oral hygiene * No active dental caries * Voluntarily agreeing to participate in the study and signing the written informed consent form * Having no history of any syndrome, systemic disease, or allergy
Exclusion criteria
* Being pregnant or lactating * Presenting with advanced periodontal disease of a severity that could affect orthodontic treatment * Having prosthetic restorations within the oral cavity * Presenting with white spot lesions prior to orthodontic treatment
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Within-patient difference between composites in volume wear | From baseline to 6 months | After importing stl files to NemoStudio software, T0 (without attachments), T1(immediately after bonding) and T4(6 months) scans will be superimposed using surface registration. Using Booleans extractions, T0 model will be removed from T1 and T4, leaving only the attachments. Software will calculate the volumes of attachments in mm³. |
Countries
Turkey (Türkiye)
Contacts
STUDY_DIRECTORHanife Nuray Yılmaz
Marmara University Faculty of Dentistry Department of Orthodontics
Outcome results
None listed