Evaluating the effectiveness of the Invisalign Palatal Expander system

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to assess the effectiveness of the Invisalign Palatal Expander system in growing patients by comparing its treatment outcomes to conventional methods. It employs a randomized controlled trial design to ensure robust results. The focus is on patients with specific dental conditions, particularly those requiring palatal expansion due to transverse maxillary deficiency. The study will include participants in the mixed dentition phase or early permanent dentition stage.

Why it matters

Who can join: the full rules

Inclusion criteria:

1. Mixed dentition phase with at least three nonmobile (stable) teeth which have more than 1/4 of primary molar root length left16 in either side
2. Early permanent dentition stage and early permanent dentition but second permanent molars not yet fully erupted in the arch
3. Unilateral or bilateral posterior cross bite patients; or Patients who have been diagnosed with transverse maxillary deficiency (Skeletal transverse discrepancy measured from the estimated center of resistances of the first molars17 ≤ - 3 mm);
4. Patients with Class I or Class II skeletal relationship
5. Subjects willing to consent to the trial

Exclusion Criteria:

1. Any general medical health problems which may influence treatment
2. Any craniofacial anomalies
3. Skeletal Class III patients
4. Mixed dentition patients with more than 2 heavily restored primary second or permanent first molars.

Where it's running

• University of the Pacific
  San Francisco, California, United States Recruiting

Study contacts

• Principal investigator: Heeyeon Suh — University of the Pacific
• Study coordinator: Heeyeon Suh
• Email: hsuh1@pacific.edu
• Phone: 415-351-7134

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.