The Predictability of Directly Printed Versus Thermoformed Clear Aligners

Enrolling by invitation · Not applicable

Conditions studied: Class I Malocclusion, Crowded Teeth, Spacing of Anterior Teeth, Rotation

In brief

The study is randomized controlled trial ...The null hypothesis suggests that there is no significant difference between actual and predicted dental movement in patients treated using direct printed aligners produced with Graphy™ Tera Harz TA-28 resin as compared to those treated with thermoformed clear aligners.

Key facts

Study ID

NCT07350343

Run by

University of Baghdad

People needed

36

Starts

2026-02-15

Expected to finish

2027-06-01

Last updated by the study team

2026-04-15

Who can join

Age: 16 and older, up to 40. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients with mild to moderate malocclusion that can be treated by less than 40 steps of aligner treatment, including those with dental rotation of < 30°, diastema or crowding of < 8 mm.
• Patients aged ≥ 16 years with fully erupted permanent teeth (regardless of the third molar).
• No supernumerary teeth, no enamel malformation.
• No tooth shape anomalies

You may not qualify if…

• Systemic pathologies such as uncontrolled diabetes or heart diseases
• active or past periodontal disease
• previous orthodontic treatment
• temporomandibular joint disorders
• ongoing pharmacological treatment could influence orthodontic treatment.

Where it is running

• The sample will be recruited from multicentre clinics (Private dental clinic, Orthodontic Department at Karbala Governmental Specialized Dental Centre, Orthodontic Department, College of Dentistry University of Baghdad). — Karbala, Iraq

Full record on ClinicalTrials.gov

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