Clinical trials: Orthodontic Retainer
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 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
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, 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 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 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
Orthodontic Retainers, Tooth Mobility
Comparison Physiological Tooth Mobility and Retention Success in Patients Using Different Retainers
The purpose of this prospective clinical study is to comparatively evaluate the long-term stability of teeth, physiological tooth mobility, and effects on periodontal tissues of three different fixed lingual retainer materials…
- Trial name
- NCT07801768
- Testing
- Mobility measurement with Periotest device, Digital intraoral impression
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Marmara University
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
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
Retention
Effectiveness of PEEK Fixed Retainer
A randomized clinical trial is set out to compare the effectiveness of two types of fixed retainer (multistranded stainless steel and PEEK types) in maintaining the stability of lower anterior teeth with less failure rate.
- Trial name
- RCT (NCT05557136)
- Testing
- Multistranded stainless steel fixed retainer, Polyether-Ether-Ketone (PEEK) fixed retainer
- Where
- Iraq
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Esraa Salman Jasim
Health of Periodontium
Comparison of the Effect of Two Types of Fixed Retainers on the Health of the Gums
Different types of retainers have been used to assure the stability of orthodontic treatment. The aim of this study is clinical and radiographic comparison and evaluation of two common types of lingual fixed retainers on the…
- Trial name
- NCT01314729
- Testing
- Fiber-reinforced-composite retainer, Composite-wire retainer
- Where
- Iran
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Shiraz University of Medical Sciences
Orthodontic Retainers, Laser Therapy
Effect of Low-Level Laser Therapy on Stability During Retention Phase.
The biggest problem in the orthodontic process is the pain and the long duration of treatment, which is also generally divided into 2 phases, namely the orthodontic tooth movement (OTM) and the retention phase.
- Trial name
- NCT05723094
- Testing
- Ga-Al-As diode laser (Ilase, USA)
- Where
- Malaysia
- Volunteers
- 32 people
- Sponsor
- Universiti Sains Malaysia
Survival, Prosthesis
Clinical Assessment of All Ceramic Single-retainer Using Upper Canine as Abutment With Minimum Preparation on the Lingual Surface, to Replace the Upper Lateral Incisor and Will be Compared With the All Ceramic Single-retainer Using Upper Central Incisor.
The Intervention Will be All Ceramic Single-retainer Resin Bonded Fixed Partial Denture Using the Upper Canine as Abutment With Minimum Preparation on the Lingual Surface Within the Enamel Providing Maximum Area for the Retainer…
- Trial name
- NCT05812066
- Testing
- all ceramic single-retainer resin bonded fixed partial denture
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Cairo University
Orthodontic Retainer, Fixed Orthodontic Retainer
Retentive Capacity of Bonded Retainer Vs Vacuum-formed and Combined Bonded-vacuum Retainers
The main goal is to test the differences between the retentive capacity of fixed retainer, vacuum-formed retainer \& combination of both; and recommend the most effective protocol for retention of lower incisors crowding treated…
- Conditions
- Orthodontic Retainer, Fixed Orthodontic Retainer, Orthodontic Relapse, Essix Retainer
- Trial name
- NCT06476574
- Testing
- Vacuum-formed retainer, Combined Vacuum-formed and Lingual bonded retainer from canine-to-canine., Lingual bonded retainer from canine-to-canine
- Where
- Egypt
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental and Occlusal Stability
Essix Retainer vs Hawley Retainer
There are several factors involved in the decision and the retention plan, such as occlusion, patient age, etiology of malocclusion, the speed of the correction, the length of the cusps and health of the tissues involved…
- Trial name
- retainer (NCT01583933)
- Testing
- Essix retainer, Hawley retainer
- Where
- Colombia
- Volunteers
- 46 people
- Sponsor
- CES University
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
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 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
Denture, Partial, Fixed, Resin-Bonded, Tooth Loss / Rehabilitation
Clinical Outcomes of CAD/CAM Single-Retainer Monolithic Zirconia Ceramic Resin-Bonded Fixed Dentures Bonded With Two Different Resin Cements
Congenitally missing tooth is one of the most common anomalies in human dentition. The treatment options of lateral incisor agenesis are closing the space with orthodontic treatment, implant treatment, conventional fixed dental…
- Conditions
- Denture, Partial, Fixed, Resin-Bonded, Tooth Loss / Rehabilitation, Resin Cements
- Trial name
- NCT04491097
- Testing
- Panavia V5 resin cement, Panavia F2.0 resin cement
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital