| Not Yet Recruiting | Evaluation of a Novel Lip Bumper With Integrated Distal Shoe Appliance in Preventing Second Molar Impaction in NCT07015385 | Dar Al Uloom University | N/A |
| Not Yet Recruiting | Orthodontic Treatment on Oral Microbiota and Salivary Proteins NCT06824493 | Xi'an Jiaotong University | — |
| Not Yet Recruiting | Personalised Prevention of Microbiological Homeostasis in the Oral Cavity During Fixed Orthodontic Treatment NCT06752902 | Centre Hospitalier Universitaire de Nice | N/A |
| Recruiting | Exploration of the Utility of Dental-dedicated MRI for Dentistry NCT06948162 | Donald Nixdorf | — |
| Completed | Evaluation of the Effect of a Probiotic in Patients Undergoing Orthodontic Therapy NCT06752330 | University of Turin, Italy | N/A |
| Active Not Recruiting | Impact of Aligner Replacement Protocols on Predictability of Planned Dental Movements: Evaluation of Double Al NCT06882395 | Neodent | N/A |
| Recruiting | Effects of PBM on Fixed-appliance Orthodontic Patients NCT06199674 | The University of Hong Kong | N/A |
| Completed | Evaluation of the Accuracy of Palatal Orthodontic Miniscrew Placement. NCT07378618 | University of Roma La Sapienza | N/A |
| Completed | Effects of Orthognathic Surgery on Root Resorption and Soft Tissues NCT06873451 | Gokhan Coban | N/A |
| Completed | Effectiveness of Different Types of Toothbrushes on Periodontal Health in Orthodontic Patients NCT06510179 | Okan University | N/A |
| Unknown | Indirect Bonding Accuracy of 3D Printed Digital Transfer Trays NCT06167278 | Marmara University | N/A |
| Enrolling By Invitation | A Cohort Prospective Study of Predictors Influencing the Quality of Visualization of the Operating Field Durin NCT05814991 | State Budgetary Healthcare Institution, National Medical Surgical Center N.A. N.I. Pirogov, Ministry of Health of Russia | — |
| Recruiting | Effect of Laser-aided Csf on the Rate of Leveling and Alignment of Mandibular Anterior Crowding NCT06380790 | Cairo University | N/A |
| Unknown | The Effect of Multiple Injections of (PRF) on The Rate of Canine Retraction NCT05766618 | Cairo University | Phase 3 |
| Recruiting | Study of the Use of Orthopulse Photobiomodulation NCT05650359 | Biolux Technology GmbH | N/A |
| Recruiting | The Effect of Malocclusions on Oral Health Related Quality of Life NCT05038865 | Malmö University | — |
| Completed | Comparison of Bond Failure with Resin-modified Glass Ionomer Cement and Visible Light-cure Composite Bonding M NCT06602154 | Aga Khan University Hospital, Pakistan | N/A |
| Completed | Evaluation of Peri-implant Conditions of Orthodontic Mini Implants NCT06491849 | Dr. Mehmet Selim Yildiz | — |
| Unknown | Effect of Micro-osteo-perforations on the Rate of Alignment of Mandibular Anterior Teeth. NCT05132764 | Rehman Medical Institute - RMI | N/A |
| Unknown | Patient's Expectations, Preferences, Experiences Before, During and After the Treatment With Invisalign® Align NCT04105491 | Medical University of Vienna | — |
| Active Not Recruiting | Treatment of the Mandibular Dental Crowding With and Without Corticotomy Surgery NCT03967002 | Ardentis Cliniques Dentaires | N/A |
| Withdrawn | A Commercial Available Tooth Positioner for the Treatment of Simple Orthodontic Relapse NCT03332082 | University of Alabama at Birmingham | N/A |
| Completed | The Effectiveness of Low-level Laser Therapy in Orthodontic Retention for Periodontal-compromised Patients NCT03765151 | The University of Hong Kong | N/A |
| Completed | Impacts of Oral Irrigation in Orthodontic Patients NCT05562986 | Ondokuz Mayıs University | N/A |
| Completed | Evaluation of the Contamination of Ligatures NCT04185987 | University of Gaziantep | N/A |
| Completed | Osseous Evidence Behind Micro-osteoperforation in Accelerating Tooth Movement. NCT03924726 | University of Malaya | N/A |
| Unknown | Evaluation of the Accuracy of Digital Models Obtained Using Intraoral and Extraoral Scanners NCT03103802 | Cairo University | N/A |
| Unknown | How Often Should We See Our Orthodontic Patients NCT02918240 | King's College London | N/A |
| Completed | Assessment of the Efficacy of the Aerodentis System NCT03421886 | University of Alabama at Birmingham | N/A |
| Completed | Effect of Micro-osteoperforation on the Rate of Canine Retraction NCT03450278 | Cairo University | N/A |
| Completed | The Effect of Different Force Magnitudes on Maxillary Posterior Segment Intrusion NCT02901678 | Cairo University | N/A |
| Completed | Comparative Study of Different Bone Grafts in Accelerating Tooth Movement NCT02796911 | King Abdulaziz University | N/A |
| Completed | The Accuracy of Direct Digital Intra-oral Scanning Measurements Compared to Measurements on Study Models NCT02364414 | Kettering General Hospital NHS Foundation Trust | N/A |
| Completed | Occlusal Outcomes by OGS After a Finishing Protocol NCT03714087 | Universidad de Antioquia | N/A |
| Completed | The Use of 2D and 3D Imaging Modalities and Its Influence on Diagnosis and Treatment Planning in Orthodontics NCT01246830 | Universitaire Ziekenhuizen KU Leuven | — |
| Unknown | Psychological Assessment of Adults Seeking Orthodontic Treatment NCT01475773 | Universitaire Ziekenhuizen KU Leuven | — |
| Completed | Vacuum-formed Retainer Versus Bonded Retainer to Prevent Relapse After Orthodontic Treatment NCT03070444 | Region Gävleborg | N/A |
| Unknown | Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) - Based Planning and Creation of Orthodontic Appl NCT00871026 | Charite University, Berlin, Germany | N/A |
| Unknown | Study Investigating Tooth Movements With Conventional and Computer-Aided Design/Computer-Aided Manufacturing ( NCT00871091 | Charite University, Berlin, Germany | N/A |