Clinical trials: Orthodontic Retainer
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
Relapse
"Comparative Evaluation of 3 Dimensional Changes of Dentition in Post Orthodontic Patients With Immediate vs Delayed (Post 24 Hours) Retainer Delivery
Orthodontic treatment goals can be expressed as achieving ideal tooth alignment, esthetic, functional occlusion and stability. Various occlusal changes occur after active phase of orthodontic treatment, these unwanted changes are…
- Trial name
- NCT05879601
- Testing
- immediate orthodontic retainer delivery, delayed orthodontic retainer delivery.
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
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
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
Dental Bonding, Orthodontic Retainers
Effect of Primer Application on the Lingual Retainer
Background: The aim of this study was to examine the effect of self-etch primer (SEP) application on the bond failure rate of a mandibular bonded lingual retainer over 24 months.
- Trial name
- NCT05340595
- Testing
- Orthodontic retainer bonding
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Ondokuz Mayıs University
Malocclusion, Angle's Class
Comparison of Two Types of Lingual Fixed Retainer Fabricated
This study includes patients who have had previous orthodontic treatments (without tooth extraction) and who have good alignment of their lower incisors. Investigators will compare two types of lingual retainers made with CAD-CAM
- Trial name
- malocclusion (NCT06244810)
- Testing
- Lingual retainer from Fiber, Lingual retainer from metal, Traditional retianer from braided
- Where
- Syria
- Volunteers
- 42 people
- Sponsor
- Hama 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 Appliance Complication
The Effects of Different Storage Conditions on Removable Retainers
Orthodontic removable retainers are appliances that hold the position of the upper and lower teeth after fixed braces treatment and they can be removed from a patient's mouth.
- Trial name
- NCT05854953
- Testing
- Hawley retainers in dry storage condition, Hawley retainers in wet storage condition, VFRs in dry storage condition
- Where
- Malaysia
- Volunteers
- 24 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
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
Orthodontic Retainers, Clinical Trial
Comparison of Modified Vacuum-formed Retainers Versus Hawley Retainer
This study will focus on the relapse of arch width in two types of retention regimes, which are modified vacuum-formed retainers and Hawley type retainers in patients after fixed appliance treatment in transverse arch expansion…
- Trial name
- NCT04237298
- Testing
- Modified vacuum-formed retainer covering the palete
- Where
- 3 sites in Malaysia
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- National University of Malaysia
Malocclusion, Orthodontic Retention
The Effect of Patient Preference on Retention Success
Aim of the Study: To determine whether allowing the patient to choose the type of retainer affects the success of retention in terms of stability and patient satisfaction.
- Trial name
- NCT06478771
- Testing
- Essix retainer, Lingual retainer
- Where
- Turkey (Türkiye)
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Orthodontic Appliance Complication
Evaluation of The Stability of Orthodontic Treatment After First Premolar Extraction Using Combined Retention Protocol
The aim of this study is to compare between the stability of anterior and posterior segments in both arches using bonded lingual retainers versus a combined protocol of retention (bonded lingual retainer and vacuum formed…
- Trial name
- NCT06502886
- Testing
- combined protocol of retention (bonded lingual retainer and vacuum formed retainers), Bonded lingual retainer
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Relapse
Comparison of Efficiency and Effectiveness of Two Types of Bonded Orthodontic Retainers: an RCT.
Comparson of efficiency and effectiveness of twisted/coaxial and linked retainers, placed under relative versus absolute isolation.
- Trial name
- NCT05250765
- Testing
- Twistflex retainer, Orthoflex retainer
- Where
- Belgium
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Orthodontic Retention
3D-Printed Vs Thermoformed Retainers: Comparison of Post-Treatment Stability, Changes in Mechanical Properties and Patients' OHRQoL
Following completion of orthodontic treatment, prolonged retention with either part-time or full-time wear of retainers is crucial in preventing relapse.
- Trial name
- NCT05968625
- Testing
- Thermoformed retainers, 3D-printed retainers
- Where
- Malaysia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Malaya
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
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 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
Detachment of Glued Mandibular Post-orthodontic Restraints
Comparison of Bonding Failure Rates of Fixed Lingual Mandibular Retainers in a French Sample Aged 11 or Older, Comparing Prior Enamel Sandblasting With Conventional Pumice Polishing
At the completion of orthodontic treatment, the position of the mandibular canines and incisors is being maintained on a routine basis by bonding a multi-braided wire retainer onto their lingual surfaces.
- Trial name
- CONTORTHO (NCT03954145)
- Testing
- Enamel pumicing before bonding the lingual retainer., Enamel sandblasting before bonding the lingual retainer.
- Where
- France
- Volunteers
- 88 people
- Sponsor
- University Hospital, Strasbourg, France