Clinical trials: Dental Malocclusion
Dental Caries; Oral Health; Malocclusion
Dental Caries and Related Factors in 6-Year-Old Schoolchildren in Chile: National Evidence for Assessment and Decision-Making (6yOH-Chile)
Dental caries is the most prevalent chronic non-communicable disease in childhood worldwide. In Chile, the last nationally representative oral health survey was conducted in 2007 and reported a caries experience prevalence of…
- Trial name
- 6yOH-Chile (NCT07863947)
- Where
- Chile
- Volunteers
- 2,484 people, healthy volunteers welcome
- Sponsor
- Universidad de los Andes, Chile
Dental Plaque, Oral Hygiene
Smartphone App Versus Verbal Motivation for Oral Hygiene in Fixed Orthodontic Patients
This study looked at whether a smartphone app can help patients with fixed braces keep their teeth cleaner than usual spoken advice alone.
- Conditions
- Dental Plaque, Oral Hygiene, Gingivitis, Malocclusion
- Trial name
- iTeeth (NCT07835022)
- Testing
- Smartphone application for oral-hygiene motivation (iTeeth Orthodontics), Conventional verbal oral-hygiene motivation
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Atlas University
Dental Crowding, Malocclusion
Clear Aligners With Two Different Change Schedules vs Traditional Braces for People With Crowded Lower Front Teeth
The goal of this clinical trial was to compare two clear aligner treatment plans with traditional braces for treating crowded lower front teeth in adults. Clear aligners were removable plastic trays.
- Trial name
- NCT07821723
- Testing
- Clear aligner, 0.25 mm per step, Clear aligner, 0.35 mm per step, Conventional fixed orthodontic appliance
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Ain Shams University
Dental Crowding, Dental Occlusion, Traumatic
Exploration of the Utility of Dental-dedicated MRI for Dentistry
This description observational research is comparative in design, that is comparing existing standard clinical dental images, not obtained in this study, to test (i.e., ddMRI) images.
- Conditions
- Dental Crowding, Dental Occlusion, Traumatic, Endodontic Disease, Orthodontic Treatment
- Trial name
- NCT06948162
- Testing
- dental-dedicated MRI (ddMRI)
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Periodontal Disease; Gingivitis; Dental Plaque; Malocclusion (Post-orthodontic Treatment)
Digital vs Conventional VFR in Post-Orthodontic Retention
This study is comparing two ways of making a retainer, the clear, removable kind worn after braces to see whether the way it's made affects gum health.
- Trial name
- NCT07760935
- Testing
- Digital Vacuum-Formed Retainer, Conventional Vacuum-Formed Retainer
- Volunteers
- 52 people
- Sponsor
- Ziauddin University
Dental Malocclusion, Stability
Retention With Three Different Bonded Retainers a Multicenter, Randomized Controlled Trial With 5-year Follow-up
One of major challenges in orthodontics is to inhibit relapse and ensure stability of treatment outcomes. Retention is the phase of orthodontic treatment that attempts to keep teeth in the corrected position after correction with…
- Trial name
- NCT04828096
- Testing
- Orthodontic retention
- Where
- 2 sites in Spain, Sweden
- Volunteers
- 324 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
Dental Crowding, Malocclusion, Angle Class I
The Reliability and Validity of Little's Irregularity Index Assessment
The primary aim of the current study was to estimate the validity, reliability, and repeatability of LII measurements
- Trial name
- LII (NCT07745855)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar University
Malocclusion, Esthetics, Dental
Effect of Finishing Clear Aligner Marginal Termination Design (Supragingival vs Juxtagingival) on Aligner Color Stability After 14 Days of Wear: A Split-Mouth Study
The goal of this clinical study is to learn whether the gumline edge design of a finishing orthodontic clear aligner affects how much the aligner's color changes after 14 days of wear.
- Trial name
- SPECTRO-ALIGN (NCT07628491)
- Testing
- Tri-layer thermoplastic finishing clear aligner
- Where
- Romania
- Volunteers
- 50 people
- Sponsor
- George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures
Dental Crowding, Alveolar Bone Loss
Bone Level Changes Using Clear Aligners Compared to Fixed Appliances in Non-Extraction Treatment of Adults
This study compares two common ways of straightening teeth in adults who have mild-to-moderate crowding of the lower front teeth and do not need any teeth removed: clear aligners and traditional fixed braces.
- Conditions
- Dental Crowding, Alveolar Bone Loss, Malocclusion
- Trial name
- NCT07716007
- Testing
- Fixed orthodontic appliance, Clear aligners
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Angle Malocclusion, Cephalometry
Cephalometric and Digital Dental Arch Characteristics Across Angle Malocclusion Groups in Orthodontic Patients From the Mekong Delta, Vietnam
This clinic-based cross-sectional study compared skeletal, dental, soft-tissue, and digital dental arch characteristics among adolescents aged 11-18 years with Angle Class I, Class II, and Class III malocclusions in the Mekong…
- Conditions
- Angle Malocclusion, Cephalometry, Digital Dental Models
- Trial name
- NCT07696494
- Where
- Vietnam
- Volunteers
- 300 people
- Sponsor
- Can Tho University of Medicine and Pharmacy
Malocclusion, Angle Class I, Dental Crowding
Bracket Positioning Techniques and Quality of Orthodontic Finishing
This three-arm randomized clinical trial compares three orthodontic bracket positioning techniques - Smile Arc Protection (SAP), Smile Arc and Marginal Ridge Approach (SAMRA), and the McLaughlin-Bennett-Trevisi (MBT) bracket…
- Trial name
- NCT07708363
- Testing
- Smile Arc Protection (SAP) bracket positioning, Smile Arc and Marginal Ridge Approach (SAMRA) bracket positioning; Procedure, McLaughlin-Bennett-Trevisi (MBT) chart bracket positioning
- Where
- Egypt
- Volunteers
- 39 people
- Sponsor
- Future University in Egypt
Oral Health Related Quality of Life (OHRQoL), Early Childhood Caries (ECC)
Assessment of Oral Health-Related Quality of Life in Preschool-Aged Children in Alto Alentejo
The observational study aims to improve understanding of Oral Health-Related Quality of Life (OHRQoL) among preschool children in the District of Portalegre, Portugal, by examining the roles of sociodemographic, behavioral, and…
- Conditions
- Oral Health Related Quality of Life (OHRQoL), Early Childhood Caries (ECC), Traumatic Dental Injuries, Gingivitis
- Trial name
- NCT07648121
- Where
- Portugal
- Volunteers
- 454 people, healthy volunteers welcome
- Sponsor
- University of Lisbon
Angle Class I Malocclusion, Dental Crowding
Clinical Performance of Direct-Printed Versus Thermoformed Aligners
The goal of this study is to evaluate and compare the clinical effectiveness of in-office directly 3D-printed clear aligners versus conventional multilayered thermoformed aligners.
- Conditions
- Angle Class I Malocclusion, Dental Crowding, Tooth Spacing
- Trial name
- NCT07637227
- Testing
- Direct-Printed Aligner, Thermoformed aligner
- Where
- 3 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Dental Crowding, Malocclusion, Angle Class I
Treatment Outcome of Elastomeric and Nickel-Titanium Separators in Tooth Separation
Patients seeking fixed orthodontic treatment that requires band placement will be enrolled in this study. This trial aims to compare the efficiency of rectangular cross-section nickel-titanium separators with elastomeric…
- Trial name
- NCT07591454
- Testing
- Elastomeric separators, Nickel-Titanium separators
- Volunteers
- 30 people
- Sponsor
- 3D-Aligners
Dental Malocclusion, Maxillary Deficiency
Effect on Periodontal Phenotype of Flapless Piezoincission During Orthodontic Treatment
Research Question While the reduction in treatment times and the patient satisfaction after periodontally accelerated osteogenic orthodontics (PAOO) are well sustained in the scientific literature, there is still controversy…
- Trial name
- Piezo_Ortho (NCT06315348)
- Testing
- flapless alveolar decortication with augmentation
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Universidad Complutense de Madrid
Dental Deformity, Malocclusion
Orthognathic Surgery With Clear Aligners vs Conventional Brackets
This retrospective single-center observational study compared perioperative and early postoperative outcomes in patients undergoing orthognathic surgery after orthodontic preparation with either conventional fixed brackets or…
- Conditions
- Dental Deformity, Malocclusion, Orthognathic Surgery
- Trial name
- NCT07511296
- Testing
- Conventional fixed orthodontic appliances, Clear aligner therapy
- Where
- France
- Volunteers
- 420 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Mowat-Wilson Syndrome, Dental Caries
Oral Health, Dento-facial Condition and OHRQoL in Subjects With Mowat-Wilson Syndrome: an Epidemiologic Study.
Mowat-Wilson Syndrome (MWS) is a rare syndrome characterized by the presence of facial gestalt and delayed psychomotor development, variably associated with intellectual disability, epilepsy, Hirschsprung's disease (HSCR) and…
- Conditions
- Mowat-Wilson Syndrome, Dental Caries, Periodontal Diseases, Sleep Related Breathing Disorder
- Trial name
- ORALMOWAT26 (NCT07476417)
- Where
- Italy
- Volunteers
- 25 people
- Sponsor
- University of Milan
Dental Malocclusion
Comparison of Absorbance Values, Sensory Evaluations and Periodontal Effects of Five Different Products for Clean Aligners Cleansing
The aim of the study is to evaluate the most efficient product for the cleaning of Invisalign® clear aligners (Align Technology Inc., San Jose, CA, USA) through objective and subjective assessments after the use of 5 different…
- Trial name
- NCT06278116
- Testing
- Aligners cleansing with water, Aligners cleansing with dish soap Svelto, Aligners cleansing with Polident Antibacterial Denture Cleaner
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Pavia
Dental Crowding,Interproximal Enamel Reduction, Malocclusion, Angle's Class
Accuracy and Periodontal Outcomes of Three Interproximal Enamel Reduction Techniques During Clear Aligner Therapy
This randomized controlled clinical trial will compare three commonly used interproximal enamel reduction (IPR) techniques during clear aligner therapy in adult patients.
- Conditions
- Dental Crowding,Interproximal Enamel Reduction, Malocclusion, Angle's Class, Periodontal Diseases
- Trial name
- NCT07377825
- Testing
- Manual Arm, Motor Driven Arm, Abrasive Arm
- Where
- Saudi Arabia
- Volunteers
- 75 people
- Sponsor
- Riyadh Elm University
Dental Caries
Association Between Primary School Children's Speaking Attitudes and Oral Health Indicators
his cross-sectional study aims to evaluate the relationship between primary school children's speaking attitudes and oral health indicators, including dental caries, malocclusion, and tooth loss.
- Trial name
- NCT07271810
- Testing
- Observational Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 184 people, healthy volunteers welcome
- Sponsor
- Ezgi Turkyilmaz