Clinical trials: Orthodontic Retainer
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
Orthodontic Appliance Complication
Microbial Colonisation On Vacuum-Formed Retainers Constructed On Conventional Models And Three Dimensional (3D) Reconstructed Models
Vacuum-formed retainers are clear or transparent retainers, that hold the teeth in the new position after active orthodontic treatment.
- Trial name
- NCT03844425
- Testing
- Conventional VFR, VFR from SLA, VFR from FDM
- Where
- Malaysia
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Relapse
CAD/CAM Fixed Retainers vs. Conventional Multistranded Fixed Retainers in Orthodontic Patients. Comparison of Stability, Retainer Failure Rate, Adverse Effects, Cost-effectiveness, and Patient Satisfaction. A Randomized Controlled Clinical Trial
Introduction: Orthodontic retainers are used after the completion of orthodontic treatment to assure dental occlusal stability and to maintain the achieved end-result.
- Trial name
- Retention (NCT04389879)
- Testing
- Bonding of either CAD/CAM or conventional multistranded stainless steel fixed retainer
- Where
- 2 sites in Denmark, Norway
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Orthodontic Appliance Complication, Orthodontic Appliance Design
Periodontal and Orthodontic Outcomes of Straight vs. Looped Fixed Retainers
The goal of this split-mouth, head-to-head, randomized controlled trial is to compare the effects of a fixed straight retainer with the V- loop bonded retainer on periodontal health in patients with the requirement of continuous…
- Conditions
- Orthodontic Appliance Complication, Orthodontic Appliance Design, Orthodontic Treatment
- Trial name
- NCT05644119
- Testing
- V- loop Bonded Orthodontic Retainer, Straight Wire Retainer
- Where
- Saudi Arabia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Orthodontic Retainer
Comparative Assessment of Failure Rate of Fixed Lingual Retainer Between Two Types of Light Cured Resin Composite
The study will be performed on human subjects with finished orthodontic treatment to see the failure rate(detachment) of fixed lingual retainer between two types of light cure resin composite
- Trial name
- NCT05660668
- Testing
- Transbond LR, Transbond XT
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Orthodontic Retention Compliance
Compliance After Orthodontic Treatment Using Thermoplastic or Hawley Retainers
This study aims to assess adolescent's compliance after the end of orthodontic treatment using either thermoplastic or Hawley retainers in the upper arch, with the aid of TheraMon microsensor (MC Technology GmbH).
- Trial name
- OrthoComply (NCT03683862)
- Testing
- orthodontic appliance
- Where
- Greece
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Athens
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
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
Orthodontic Relapse
Efficacy and Cost-effectiveness of Orthodontic Retention Protocols
Objective is to assess changes of dentition and periodontium, and hygiene in retention after the end of the active phase of orthodontic treatment, and relationship with gender, type of retention appliance, pre-therapeutic…
- Trial name
- orthoretenti (NCT05121220)
- Testing
- fixed retainer, removable retainer
- Where
- Croatia
- Volunteers
- 152 people, healthy volunteers welcome
- Sponsor
- Poliklinika Orthonova
Orthodontics, Retention
Vacuum-formed Retainer Versus Bonded Retainer to Prevent Relapse After Orthodontic Treatment
The purpose of this trial is to evaluate and compare stability after orthodontic treatment with an Essix retainer and a bonded cuspid-to-cuspid retainer (CTC), respectively in the mandibular arch and longitudinally follow these…
- Trial name
- NCT03070444
- Testing
- CTC retainer, Essix retainer maxilla, Essix retainer mandible
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Region Gävleborg
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
Periodontal Inflammation
The Periodontal Status and Failure Rates With Different Retainer Bonding Techniques Using One-step Adhesive
The aim of this study was to evaluate fixed retainers, bonded with either direct or indirect techniques using one- or two-step adhesives, in terms of periodontal status and failure rates.
- Trial name
- NCT05458583
- Testing
- Baseline periodontal measurements (T0), Periodontal measurements (T1), Periodontal measurements (T2)
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pamukkale University
Missing Teeth
Single-retainer Lithium Di-silicate Versus Zirconia Resin Bonded Bridge for Replacement of an Anterior Missing Tooth.
First, Participants in this study will be recruit according to inclusion criteria. Proper examination for the participants (clinically and radiographically). Preparation for abutment tooth for Resin bonded fixed partial denture.
- Trial name
- RBFPD (NCT05861921)
- Testing
- Single-retainer Lithium Di-silicate Resin Bonded Fixed Partial Denture
- Where
- Egypt
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Cairo University
Cleft Lip and Palate
Effectiveness of a Customized 3D Printed Nostril Retainer Combined With Taping Vs.Taping Only on Enhancing the Nasolabial Esthetics and Maxillary Arch Dimensions in Infants With Unilateral Complete Cleft Lip and Palate.
Lip taping was proven as simple, handy technique of PSIO for alveolar molding yielding enhanced maxillary arch dimensions in UCCLP infants.
- Trial name
- NCT06211205
- Testing
- Customized 3D printed nostril retainer combined with lip taping, Lip taping
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Gingival Health
The Effects of Using Water Flosser Versus Interdental Brush on Gingival Health in Patients With Mandibular Bonded Retainer
This randomized controlled trial aimed to investigate and compare the effects of employing a water flosser versus an interdental brush on the gingival health of individuals with mandibular bonded retainers.
- Trial name
- NCT07054203
- Testing
- Water Flosser, Interdental Brush
- Where
- Pakistan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Aga Khan University
Orthodontic Retention
Comparative Evaluation of Salivary Bisphenol-A Levels in Patients With Fixed Lingual, Hawley and Vacuum-formed Retainers
The aim of this study; to measure the BPA release amount of fixed lingual retainers applied with Bis-GMA-containing composite , fixed lingual retainers applied with Bis-GMA-free composite, vacuum-formed and hawley retainers which…
- Trial name
- NCT05738889
- Testing
- Fixed lingual retainers applied with Bis-GMA containing composite, Fixed lingual retainers applied with Bis-GMA-free composite, Vacuum-formed retainers
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Aydin Adnan Menderes University
Orthodontic Appliance Complication
Evaluation of Fixed Mandibular Retainer Using 3D Printed Positioning Tray Versus Direct Bonding Technique
Although there are many studies in the literature concerning methods of bonding of mandibular retainers whether directly or indirectly, there is a very limited evidence regarding their chair side time and bond failure.
- Trial name
- NCT03572179
- Testing
- 3d printed positioning tray
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Raghda Alaa
Quality of Life
Randomized Controlled Clinical Trial Of Oral Health-Related Quality Of Life In Patients Wearing Vacuum Formed Thermoplastic Retainers Constructed On Conventional Stone Models And On 3D Reconstructed Orthodontic Study Model
In dentistry, 3D printing technology is gaining interest. One of the potential application is to construct appliances on 3D reconstructed study models.
- Trial name
- NCT02866617
- Testing
- Vacuum Formed Thermoplastic Retainers Constructed On 3D Reconstructed Orthodontic Study Model
- Where
- Malaysia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Bond Pair
Comparison of 3D Printed Resin Fixed Mandibular Retainer Versus Conventional Fixed Bonded Retainer
Although there are many studies in the literature concerning with methods of bonding of mandibular retainers whether directly or indirectly, there is a very limited evidence regarding their chair side time and bond failure.
- Trial name
- NCT07552155
- Testing
- Resin fixed retainer, Conventional fixed retainer
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Raghda Alaa