Clinical trials: Orthodontic Extraction
Malocclusion Class II, Malocclusion, Angle Class I
Effect of Early Versus Late Premolar Extraction on Orthodontic Tooth Movement
The goal of this randomized controlled trial is to evaluate whether the timing of premolar extraction affects the rate of orthodontic space closure during en-masse anterior retraction.
- Trial name
- NCT07773389
- Testing
- Early Maxillary First Premolar Extraction, Late Maxillary First Premolar Extraction
- Where
- Pakistan
- Volunteers
- 26 people
- Sponsor
- Shifa College of Dentistry
Frequency of Root Paralellism
Assessment of Root Parallelism Following Orthodontic Treatment in Adolescent vs Adult Patients Treated With Maxillary First Premolar Extraction
Panoramic radiographs of finished orthodontic cases will be collected after fulfilling the inclusion and exclusion criteria. Then the collected data will be divided into two groups according to age either adolescent (12-18 years…
- Trial name
- NCT04139174
- Testing
- first premolar extraction and complete canine retraction.
- Volunteers
- 180 people
- Sponsor
- Cairo University
Dental Anxiety, Pain
Effect of Aromatherapy on Pain and Anxiety During Orthodontic Extraction of Maxillary Premolars.
The goal of this randomized placebo-controlled split-mouth clinical trial is to determine whether aromatherapy using lemongrass essential oil can reduce pain, dental anxiety, and physiological stress responses during orthodontic…
- Trial name
- NCT07506135
- Testing
- Lemongrass Aromatherapy
- Where
- India
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Skeletal Open Bite, Vertical Maxillary Excess
Treatment of Skeletal Open Bite With Open Bite Activator and Skeletal Anchorage-Supported Vertical Elastics
This study evaluated a new treatment approach for skeletal open bite in growing individuals using an open bite activator combined with anterior skeletal anchorage-supported vertical elastics.
- Conditions
- Skeletal Open Bite, Vertical Maxillary Excess, Hyperdivergent Growth Pattern, Long Face Syndrome
- Trial name
- SOBT (NCT06936371)
- Testing
- Open Bite Activator with Skeletal Anchorage-Supported Vertical Elastics
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people
- Sponsor
- Ankara University
Effect of Premolars Extraction on Bite Force
Analysis of Bite Force Distribution After Premolars Extraction by Using T-scan Analysis System
This study aims to assess the effect of first premolars extraction during orthodontic treatment bite force during the excursive mandibular movements using a digital occlusal analysis system.
- Trial name
- NCT07253337
- Testing
- T-scan analysis for bite force distribution
- Where
- Egypt
- Volunteers
- 16 people
- Sponsor
- Suez Canal University
Crowding
Treatment of Crowding Without Extraction Using Self Ligating Brackets
This experimental study will evaluate the effect of active and passive self-ligating brackets in treatment of crowding, compared with the control group of conventional brackets in class I malocclusion without extraction.
- Trial name
- NCT02996292
- Testing
- Traditional brackets, Active self-ligating brackets, Passive self-ligating brackets
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Malocclusion, Corticotomy
Evaluation of Corticotomy-Assisted Canine Retraction Rate
The goal of this split-mouth randomized clinical trial is to evaluate the effectiveness of corticotomy on maxillary canine retraction rate compared to conventional orthodontic techniques.
- Conditions
- Malocclusion, Corticotomy, Canine Retraction, Orthodontic Tooth Movement
- Trial name
- BMU/2026/8506 (NCT07879066)
- Testing
- Experimental: Corticotomy¬-Assisted Canine Retraction, Active Comparator / Control: Conventional Canine Retraction
- Where
- Bangladesh
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Tanzila Rafique
Third Molar
Positional Changes of Mandibular Molar After Orthodontic Treatment
This retrospective study was carried out on pre and posttreatment digital standardized panoramic radiographs of 30 cases previously orthodontically treated with four first premolar extraction.
- Trial name
- NCT06933979
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Fayoum University
Malocclusion, Long Face Syndrome
Effect of Extraction Vs Non-extraction Orthodontic Treatment on Vertical Facial Dimension
The aim of the current clinical trial was to evaluate the effects of premolar extractions compared with non-extraction orthodontic treatment on the skeletal vertical dimension of the face.
- Conditions
- Malocclusion, Long Face Syndrome, Crowding, Tooth
- Trial name
- NCT04151875
- Testing
- Extraction orthodontic treatment, Non-extraction orthodontic treatment
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Healthy Participants, Tooth Extraction
Application Of Dentapen In Dental Local Infiltration Anesthesia
The goal of this clinical study is to compare patients' self-reported pain and mental stress during infiltration anesthesia between conventional syringe and Dentapen.
- Conditions
- Healthy Participants, Tooth Extraction, Orthodontic Patients
- Trial name
- NCT07431801
- Testing
- computer controlled local anesthesia delivery device (Dentapen), Control
- Where
- Vietnam
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Son Hoang Le
Malocclusion
Effect of Cyclic Loading (Vibration) on Orthodontic Tooth Movement
To gather data indicating whether or not the OrthoAccel device speeds tooth movement in people who use orthodontics (braces).
- Trial name
- NCT00830947
- Testing
- OrthoAccel Device
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- OrthoAccel Technologies Inc.
Impacted Canines
Comparing a Novel Closed Exposure Technique to a Conventional Method for Palatally Impacted Maxillary Canines
A multi-center Randomized Clinical Trial, (RCT) on treatment effectiveness of two different closed surgical exposure techniques, one including additional bone removal and a second conventional without removal of additional bone…
- Trial name
- PDC (NCT06833034)
- Testing
- The novel surgical method, The conventional surgical method
- Where
- 2 sites in Sweden
- Volunteers
- 66 people
- Sponsor
- Malmö University
Malocclusions, Canine Retraction
Assessment of the Locally Administrated Vitamin D3 and Corticision Efficacy on Orthodontic Canine Retraction
To study the effect vitamin D effect on orthodontic tooth movement when used in combination with coticision technique, independent t test or an equivalent non-parametric test will be used for comparison.
- Trial name
- NCT07455656
- Testing
- patients will receive local application of vitamin D3 combined with corticision
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Tooth Extraction Status Nos
Efficacy of Skeletal Anchorage (MINISCREW)
The main objective of the investigators' study is to assess the efficacy of a course of treatment using skeletal anchorage (MINISCREW) as compared with treatment involving dental anchorage (reference) during dentofacial…
- Trial name
- Minivis (NCT01025141)
- Testing
- Skeletal anchorage (MINISCREW), dental anchorage
- Where
- France
- Volunteers
- 99 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
White Spot Lesions, Proximal Caries
Labial White Spot Lesions and Proximal Caries Development in Orthodontic Patients Using Clear Aligners Versus Traditional Braces.
This randomized clinical trial evaluates the risk of developing early tooth decay in patients undergoing orthodontic treatment with either traditional fixed braces or clear aligners.
- Conditions
- White Spot Lesions, Proximal Caries, Oral Hygiene in Orthodontic Patients, Plaque Removal
- Trial name
- NCT07550179
- Testing
- Fixed pre-adjusted edgewise orthodontic appliance, Clear aligner therapy
- Where
- United Arab Emirates
- Volunteers
- 24 people
- Sponsor
- University of Sharjah
Gummy Smile, Orthodontic Treatment
Vertical Gingival Display Changes Associated With Upper Premolars Extraction
To investigate and compare vertical gingival display (VGD) changes associated with upper premolars extraction during orthodontic treatment.
- Trial name
- NCT04375540
- Testing
- Upper first premolars extractions, Upper second premolars extraction
- Where
- Jordan
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Dental Crowding, Passive Extraction Space
Comparison of Alignment Efficiency, Arch Dimensional Changes, and Passive Extraction Space Closure Between Self-Ligating and Conventional Brackets
Purpose: This study aims to compare two types of orthodontic braces - self-ligating brackets (SLBs) and conventional brackets (CBs) - to see which one aligns teeth faster, affects the width of the dental arch, and closes spaces…
- Conditions
- Dental Crowding, Passive Extraction Space, Intercanine Width, Intermolar Width
- Trial name
- SLBs CBs RCT (NCT07503314)
- Testing
- Self-Ligating Brackets (SLB), Conventional Bracket
- Where
- Pakistan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Saidu College of Dentistry
Orthodontic Patients Indicated for Upper First Premolar Extraction, Orthodontic Patients Indicated for Maxillary Canine Retraction
Root Resorption and Alveolar Bone Changes in the Maxillary Canine Retraction Using Ni Ti Closed-coil Springs Versus Elastomeric Chains (A Split -Mouth Cone Beam CT Study)
This study will be carried out to asses root resorption and alveolar bone changes in the maxillary canine retraction using NiTi closed-coil springs versus elastomeric chains with cone beam CT
- Trial name
- NCT07116954
- Testing
- Twenty-Two adult Patients who indicated for bilateral maxillary first premolar extraction will be randomly assigned into two equal group., Canin retraction with NiTi Closed-Coil Springs and elastomeric chains
- Volunteers
- 22 people
- Sponsor
- Al-Azhar University
Angle Class I
Effectives of Non-extraction Orthodontic Treatment of Angle Class I Malocclusion
Introduction: The investigators aimed to evaluate the effectiveness of non-extraction orthodontic treatment for Angle class I malocclusion.
- Trial name
- NCT06638983
- Testing
- Non-extraction Orthodontic Treatment of Angle Class I Malocclusion
- Where
- Vietnam
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Orthodontic Tooth Movement
Effectiveness of Olive Oil Local Application in Orthodontic Patients.
The large body of evidence supports the chemotherapeutic potential of substances found in Olive Oil (OO), acting on different sides, such as inflammation, oxidative damage, and even epigenetic modulation.
- Trial name
- NCT05040620
- Testing
- Olive Oil Topical Oil
- Where
- Egypt
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Minia University