Clinical trials: Orthodontic Extraction
Obstructive Sleep Apnea, Malocclusion
Premolar Extractions for Obstructive Sleep Apnea in Children With Overjet
This research aims to provide pediatric patients with polysomnography (a sleep study) before and after orthodontic treatment to determine if the extraction of upper premolars for treating excessive overjet results in an increase…
- Trial name
- NCT04946201
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mohamed Bazina
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
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
Dental Anxiety
Effectiveness of Auricular Acupuncture in Reducing Dental Anxiety and Pain Perception During Orthodontic Extractions Among Adolescents
This prospective, randomised, double-blinded cross-over study aims to compare the effectiveness of auricular acupuncture (AA) with placebo sham acupuncture (PSA) in reducing dental anxiety, pain perception and physiological…
- Trial name
- NCT06434844
- Testing
- Auricular acupunctures
- Where
- Hong Kong
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Oral Hygiene
Effect of Dental Waterjet on Oral Hygiene for Patients With Braces
The aim of this study is to assess the efficacy of dental water jet in plaque removal and gingival health during orthodontic treatment with fixed appliances.
- Trial name
- NCT03119441
- Testing
- Dental Water Jet, Dental Floss
- Where
- Saudi Arabia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Riyadh Colleges of Dentistry and Pharmacy
Orthodontic Treatment Via Premolar Extraction
Effect of Extraction Versus Non-extraction Orthodontic Treatment on the Third Molars
What is the effect of extraction orthodontic treatment in comparison to non- extraction treatment on the position, inclination and incidence of impaction of the third molars?
- Trial name
- NCT04857658
- Testing
- extraction orthodontic treatment plan
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- 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
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
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
Orthodontic Extraction, Orthodontic Treatment
A Comparative Assessment of Post Extraction Pain in Orthodontic Patients to Evaluate the Effects of Early Engagement of Tooth with Orthodontic Wires. a Single Center Randomized Clinical Trial (RCT)
The goal of this clinical trial is to determine if the timing of tooth extractions (before or after initial orthodontic treatment) affects pain levels in patients who need bilateral extractions of first premolars in the upper…
- Conditions
- Orthodontic Extraction, Orthodontic Treatment, Orthodontic Treatment Via Premolar Extraction
- Trial name
- NCT06582836
- Testing
- The objective of the study was to investigate the effect of prior engagement of tooth with orthodontic appliance on post extraction pain among orthodontic patients
- Where
- Pakistan
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Gingival Cleft, Orthodontic Space Closure
Gingival Cleft Development at Two Time Points of Canine Retraction
The goal of this split-mouth randomized controlled trial is to assess whether the timing of extraction space closure-early vs. delayed initiation-affects the incidence of gingival cleft development in orthodontic patients.
- Trial name
- NCT07210762
- Testing
- Early space closure, Delayed space closure
- Where
- Pakistan
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Bahria University
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
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
Removable Aligners, Conventional Brackets
Comparison of the Efficiency of Maxillary Canine Retraction Using Aligners Versus Conventional Brackets in Orthodontic Extraction Cases.
The aim of this study is to compare the effectiveness of Clear aligners and Conventional braces for upper canine retraction (space closure) regarding canine tipping , anchorage loss and treatment time.
- Trial name
- NCT04333836
- Testing
- Removable Clear Aligners
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Cairo University
Bone Loss, Vertical Alveolar Bone Loss
Bioactive Glass (Sol-gel) for Alveolar Bone Regeneration After Surgical Extraction
The purpose of the present research is to evaluate the effect of bioactive glass in bone regeneration immediately following extraction of mandibular and maxillary premolars.The hypothesis of the study assumes that this treatment…
- Conditions
- Bone Loss, Vertical Alveolar Bone Loss, Horizontal Alveolar Bone Loss
- Trial name
- NCT01878084
- Testing
- bioactive glass (sol-gel), empty extraction socket
- Where
- Egypt
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Gingival Clefts, Extraction Socket
Gingival Clefts and Orthodontic Movement
Clefts or invaginations of the gingival tissue are a frequent finding during orthodontic space closure after extraction of a tooth. They occur in about 35% of the cases.
- Conditions
- Gingival Clefts, Extraction Socket, Orthodontic Movement
- Trial name
- NCT01402323
- Testing
- time point of tooth extraction
- Where
- Austria
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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.
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
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
Healthy, Maxillary First Premolar Tooth Extraction
Gingival Crevicular Fluid Characterization During Orthodontic Treatment
During Orthodontic tooth movement, teeth are moved through alveolar bone under applied forces. The applied mechanical loading force must be transferred to the alveolar bone via periodontal ligament (PDL).
- Conditions
- Healthy, Maxillary First Premolar Tooth Extraction, Canine Retraction
- Trial name
- NCT04226469
- Testing
- Tooth movement
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Chicago