Clinical trials: Orthodontic Retainer, open to volunteers
Orthodontic Relapse, Malocclusion
3D-Printed vs Conventional Fixed Retainers After Orthodontic Treatment
This randomized clinical trial aims to compare the clinical performance of two types of three-dimensionally printed fixed retainers (Cobalt-Chromium and Titanium Grade 5) with the conventional multistranded stainless steel fixed…
- Trial name
- NCT07730476
- Testing
- Conventional Multistranded Stainless Steel Fixed Retainer, 3D-Printed Cobalt-Chromium Fixed Retainer, 3D-Printed Titanium Fixed Retainer
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Minia University
Tooth Stability, Periodontal Health
Clinical Effectiveness of Cobalt Chromium CAD-CAM Designed Customized Lingual Retainer
This study aims to evaluate the clinical effectiveness of CAD/CAM 3D printed Chrome Cobalt fixed retainer in maintaining mandibular anterior teeth stability.
- Conditions
- Tooth Stability, Periodontal Health, Patient Satisfaction
- Trial name
- NCT06837168
- Testing
- Stainless steel fixed retainer, 3D printed CAD/CAM Chrome cobalt fixed lingual retainers
- Where
- Iraq
- Volunteers
- 42 people
- Sponsor
- University of Baghdad
Orthodontic Retainers
Biological Reaction of Direct 3d Printed Retainers
The aim of this study will be to evaluate the biological reaction of direct three dimensional printed retainers. Primary objective is to evaluate bacterial growth and color stability between different thicknesses of 3d printed…
- Trial name
- NCT07098325
- Testing
- retainer with .5 mm thickness, retainer with 1 mm thickness
- Where
- Egypt
- Volunteers
- 26 people
- Sponsor
- Al-Azhar University
Orthodontic Retainers
Comparison Between CAD/CAM and Conventional Mandibular Fixed Retainers.
The devices compared in this study are 'retainers', i.e. fixed orthodontic retainers applied to the lingual surface of the central and lateral incisors and lower canines bilaterally.
- Trial name
- NCT06529601
- Testing
- CAD/CAM mandibular fixed retainer, Conventional mandibular fixed retainer
- Where
- Italy
- Volunteers
- 54 people
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
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
Orthodontic Relapse, Retention in Orthodontic
Effectiveness, Patient Acceptance, and Cost Estimation of 3D-printed Retainer Compared to Hawley Retainer in Expansion Case: a Randomized Controlled Trial
Expansion of the arches is generally considered highly unstable and prone to relapse regardless of the type of expansion. Retention appliances play a vital role in preserving these changes.
- Trial name
- NCT07659041
- Testing
- 3D printed retainer, Hawley retainer
- Where
- 3 sites in Malaysia
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National University of Malaysia
Orthodontic Retention Appliance, Orthodontic Relapse
Effectiveness of Gold Fixed Retainers Compared to Conventional Stainless Steel Retainers
This randomized clinical trial will compare the effectiveness of a gold-plated multistranded mandibular fixed retainer versus a conventional multistranded stainless-steel fixed retainer in maintaining lower anterior tooth…
- Trial name
- NCT07280455
- Testing
- Gold-coated fixed retainer wire, Stainless steel fixed retainer wire
- Where
- Iraq
- Volunteers
- 40 people
- Sponsor
- Noor Sattar Raheem
Orthodontic Treatment
Comparison of Periodontal Health, Bonding Time and Failure Between Direct and Indirect Fixed Retainer Placement Among Orthodontic Patients
The placement technique of retainers in both maxillary and mandibular arches can influence the time taken for bonding the retainer in the mouth of a patient which can in turn affect the patient´s response to the procedure.
- Trial name
- NCT07107100
- Testing
- a silicon jig/key is used to place/bond fixed retainer on teeth
- Where
- Pakistan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Aga Khan University Hospital, Pakistan
Orthodontic Retention
The Effect of Full Versus Partial Coverage Thermoformed Retainers in Dual Retention With a Lower Bonded Retainer, on Periodontal, Orthodontic, and Patient-Reported Outcomes
After braces are removed, teeth may move back toward their original positions. Retainers are used to help keep teeth straight after orthodontic treatment.
- Trial name
- NCT07669129
- Testing
- Partial coverage vivera retainer, Full coverage Vivera retainer
- Where
- Malaysia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Unilateral Cleft Lip
Study on the Supportive Effect of Personalized Nostril Retainer in Unilateral Cleft Lip Surgery
The objective of this clinical trial is to evaluate the supportive effectiveness of a customized nostril retainer in unilateral cleft lip repair at several hospitals in Hanoi.
- Trial name
- NCT07850180
- Testing
- customized nostril retainer
- Volunteers
- 40 people
- Sponsor
- Hanoi Medical University
Orthodontic Retention Appliance, Clear Orthodontic Retainers
Comparison of Dimensional Accuracy and Color Stability Between Direct 3D-printed and Thermoformed Retainers
This study aims to compare two types of orthodontic retainers used after active treatment to maintain teeth position. The retainers are fabricated using either direct 3D-printing or thermoforming methods.
- Trial name
- NCT07053410
- Testing
- Direct 3D-Printed Retainer, Single-Layer Thermoformed Retainer, Multi-Layer Thermoformed Retainer
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Essraa hassan Hussein Mohamed
Fixed Orthodontic Retainer, Orthodontic Appliances, Removable
Bacterial Diversity Study Using 16S rRNA Sequencing of Periodontal Samples From Patients With Orthodontic Retainers
After completion of orthodontic treatment, a retention phase is required to prevent relapse of tooth malposition. Fixed retention in the mandibular anterior region is commonly used.
- Conditions
- Fixed Orthodontic Retainer, Orthodontic Appliances, Removable, Orthodontic Appliance Complication, Gingivitis
- Trial name
- Ortho-Perio (NCT07718061)
- Testing
- Fixed Orthodontic Retainer, Removable Essix-Type Orthodontic Retainer
- Where
- Spain
- Volunteers
- 10 people
- Sponsor
- Universidad de Murcia