Clinical trials: Orthodontic Retainer
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
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 Retention
Eight Units Extended Maxillary Fixed Retainer
Assessment of dental changes associated with an eight-unit extended maxillary fixed retainer in 3D. monitoring PDL response and evaluation of patient's satisfaction ,quality of life and speech with extended maxillary fixed…
- Trial name
- Extended FR (NCT05889884)
- Testing
- Extended maxillary fixed retainer
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Bond, Pair
Comparison of Perforated 3D Printed Versus Conventional Metal Fixed Bonded Retainer
Although different materials of mandibular fixed retainer were discussed in the literature, there is contradicting evidence regarding the bond failure of Titanium fixed metal retainer, whether immediate or after 12 months.
- Trial name
- NCT06851897
- Testing
- perforated 3D printed metal fixed retainer, conventional fixed retainer
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Mariam Alaa
Fixed Orthodontic Retainer
Ultrasonographic Evaluation of Periodontal Effects of Fixed Retainers
This prospective clinical study aims to evaluate the effects of fixed lingual retainers placed after orthodontic treatment on periodontal soft and hard tissue parameters using ultrasonographic imaging.
- Trial name
- NCT07414264
- Where
- Turkey (Türkiye)
- Volunteers
- 53 people
- Sponsor
- Selcuk University
Retention
The Clinical Evaluation of Two Different Film Thicknesses of Clear Overlay Retainer.
The aims of this study were to compare health related quality of life, comforts degrees，retention effectiveness, and failure rates as well as survival times between two clear overlay retainers with different thicknesses, thus to…
- Trial name
- NCT02618330
- Testing
- retainer
- Volunteers
- 80 people
- Sponsor
- Yafen Zhu
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 Appliance Complication
Stability of Maxillary Anterior Teeth After Two Years of Retention in Adolescents Comparing Two Bonded and a Vacuum-formed Retainer
After orthodontic treatment 3 different retention devices will be compared.Thirty patients in each group; Group 1) Bonded retainer 13-23, Group 2)Bonded retainer 12-22 and Group 3) Vacuum-formed retainer covering all erupted…
- Trial name
- NCT04616755
- Testing
- Measuring changes of Little´s irregularity index ( sum of 5 contact point discrepancies together) measured in mm 2 years after retention have been I place.
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Kronoberg County Council
Bond, Pair
Comparison of 3D Printed Metal Fixed Retainer Versus Conventional Fixed Bonded Retainer
Despite the growing diversity of materials used for mandibular fixed retainers, the evidence base remains inconclusive. In particular, conflicting findings have been reported regarding the bond failure of titanium retainers…
- Trial name
- NCT07538869
- Testing
- bar 3d printed metal fixed retainer, conventional fixed retainer
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Amany Ibrahim
Temporomandibular Joint Disorders After Using Essix Retainer
Clinical and Radiographic Evaluation of Different Thickness of Vacuum Formed Retainer (Essix Retainer) During Retention Phase After Orthodontic Treatment
vacuum formed retainer act as bite raiser that increase vertical dimension which may affect Tempromandibular joint and aim of this study is to perform clinical and radiographic evaluation of different thickness of vacuum formed…
- Trial name
- NCT04149366
- Testing
- Retainer
- Volunteers
- 40 people
- Sponsor
- Minia 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
Relapse
Clinical Effectiveness of Bonded Versus Vacuum-formed Retainers
The purpose of the study was to compare the clinical effectiveness of bonded versus vacuum-formed retainers regarding their retention capacity; periodontal health; survival rates; and patients' perception after 12 months of…
- Trial name
- NCT04847323
- Testing
- V-bend Bonded Retainer, Vacuum-formed Retainer
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Effect of Lingual Retainers on Tooth Stability
Effect of Different Fixed Lingual Retainers on Tooth Stability
Objective: The aim of this study was to compare the effect of different fixed lingual retainers (LRs) on tooth stability after orthodontic treatment using a Periotest® device.
- Trial name
- NCT06284499
- Testing
- measuring tooth stability after orthodontic treatment using a Periotest® device.
- Where
- Turkey (Türkiye)
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mustafa Kemal University
Dent Disease
Evaluation of the Release of Monomers From Composite Bonding Resins in Orthodontics
In recent decades, the field of public health has become increasingly interested in endocrine disruptors, and their effects on humans.
- Trial name
- MONORTHO (NCT04459013)
- Testing
- Salivary samples
- Where
- France
- Volunteers
- 41 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Patient Satisfaction, Bleaching Efficacy
Patient Satisfaction With At-home Dental Bleaching Using Orthodontic Retainers With Different Margin Designs
This randomized single-blind, split-mouth clinical trial evaluated patient satisfaction with at-home dental bleaching using orthodontic retainers with different margin designs, as well as bleaching efficacy, tooth sensitivity…
- Conditions
- Patient Satisfaction, Bleaching Efficacy, Tooth Sensitivity, Gingival Irritation
- Trial name
- NCT07208708
- Testing
- Scalloped margin retainer, Straight orthodontic retainer
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Universidad Rey Juan Carlos
Orthodontic Appliance Complication
Assessment of Bacterial Loads of Essix Retainers in Patients Under Retention Therapy
The aim of this study is to investigate the bacterial loads present on essix retainers in patients' contention therapy. Patients are randomly divided into three groups, depending on the product used for the cleansing of the…
- Trial name
- NCT04871763
- Testing
- Retainers' Cleansing with Geldis®, Retainers' Cleansing with tablets, Retainers' cleansing with water
- Where
- Italy
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Pavia
Tooth Color
Effects of the Different Orthodontic Fixed Retainers on Enamel Colour Change
The aim of this study is to compare the tooth colour changes caused by retainers made of stainless steel wires and fiber reinforced in long term
- Trial name
- NCT04105829
- Testing
- Bond-a braid, EverStick-Ortho, Ribbond
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Gaziantep
Restauration in Situ, Final Loss of Restauration
Single Retainer All-Ceramic Resin-bonded Fixed Dental Protheses
The purpose of this prospective study was to evaluate the clinical outcome of all-ceramic RBFDP with a cantilevered single-retainer design made from zirconia ceramic.
- Conditions
- Restauration in Situ, Final Loss of Restauration, Debonded Restauration
- Trial name
- NCT01411592
- Testing
- Multilink, Panavia 21 TC
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Kiel
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
Obstructive Sleep Apnea, Snoring
A Trial to Evaluate a Device for the Treatment of OSA and Snoring
To evaluate the safety and efficacy of the Tongue Advancement Retainer Device in treating subjects with Obstructive Sleep Apnea (OSA) and snoring.
- Trial name
- OPEN (NCT01772017)
- Testing
- Tongue Advancement Retainer Device
- Where
- 3 sites in United States, Australia
- Volunteers
- 15 people
- Sponsor
- Sleepy, Inc