Clinical trials: Orthodontic Relapse
Retention
Effect of Piezoelectric Alveolar Decortication on Post-Orthodontic Lower Incisors Stability: A Randomized Clinical Trial
To assess the effect of piezocision on post-orthodontic lower anterior teeth stability as compared to fiberotomy and conventional Hawley retainers.
- Trial name
- NCT05014308
- Testing
- Piezoelectric Alveolar Decortication, fibrotomy
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
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 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 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 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
Orthodontic Relapse
The Use of Remote Monitoring for Orthodontic Retention Review
To assess whether using retainers and an artificial intelligence supported remote monitoring system maintains a more stable orthodontic treatment result than using retainers with in-office review appointments.
- Trial name
- NCT05006339
- Testing
- Dental Monitoring, Clinic Review
- Where
- Australia
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Sydney Local Health District
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 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
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
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
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
Relapse, Orthodontic Retention
The Effectiveness of 3 Orthodontic Fixed Retention Schemes on Post-treatment Stability and Gingival Recession
There is high possibility of relapse of the lower anterior teeth after orthodontic treatment. Relapse is related with the initial orthodontic anomaly, pathology of surrounding tissues, patient's age and sex and compliance and the…
- Trial name
- OrthRe10tion (NCT05926934)
- Testing
- Experimental: Single strand β-Ti fixed retainer, Experimental: SS fixed retainer, Experimental: Twisted fixed retainer
- Where
- Greece
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Athens
Relapse, Gingival Recession
RCT for the Effectiveness of 3 Orthodontic Retention Schemes on Post-treatment Stability and Gingival Recession
The present study aims to assess the effectiveness of three different retention schemes used to maintain tooth position after orthodontic treatment with fixed orthodontic appliances (stability) and to evaluate possible…
- Trial name
- OrthRe10tion (NCT02742493)
- Testing
- 0.028 bonded to canines, 0.027 7-strand bonded to all 6, removable Hawley-type
- Where
- Greece
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Athens
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
Orthodontics, Orthodontic Appliance
A Commercial Available Tooth Positioner for the Treatment of Simple Orthodontic Relapse
Orthodontic relapse occurs in almost 80% of Orthodontic Treatment. The only prevention to phenomenon is the use of fixed retainers or life time active retention.
- Trial name
- NCT03332082
- Testing
- Tooth positioner
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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
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
Relapse
"Comparative Evaluation of 3 Dimensional Changes of Dentition in Post Orthodontic Patients With Immediate vs Delayed (Post 7 Days) Retainer Delivery
After orthodontic treatment, relapse is inevitable and is defined as a movement towards the initial state which is undesirable. To prevent relapse, a phase of retention is required.
- Trial name
- NCT05612932
- Testing
- immediate orthodontic retainer delivery, delayed orthodontic retainer delivery
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Relapse
Comparison of Retention Characteristics of Immediate vs Delayed Retainer Delivery Using 3D Digital Model Analysis
Retention has been defined as "the holding of teeth following orthodontic treatment in the treated position for the period of time necessary for the maintenance of the result".
- Trial name
- NCT06292364
- Testing
- immediate orthodontic retainer delivery, delayed orthodontic retainer delivery
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Relapse
: "Comparative Evaluation of 3 Dimensional Changes of Dentition in Post Orthodontic Patients With Immediate vs Delayed (Post 3 Days) Retainer Delivery
Maintaining teeth in their corrected position after orthodontic treatment is one of the most challenging part of orthodontic treatment and hence a period of stabilization termed as retention is provided after orthodontic…
- Trial name
- NCT05879588
- Testing
- immediate orthodontic retainer delivery, delayed orthodontic retainer delivery
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak