Clinical trials: Orthodontic Extraction
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
Inferior Alveolar Nerve Injuries
Traditional vs Orthodontic Extraction of Impacted Teeth Related to the Inferior Alveolar Nerve
The aim of this clinical study was to compare the effects of traditional and orthodontic extraction methods on postoperative nerve damage in impacted third molars associated with the inferior alveolar nerve.
- Trial name
- NCT06270784
- Testing
- Traditional Extraction, Orthodontic Extraction
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Marmara University
Orthodontic Appliance Complication
Assessment of Pain When Removing Metallic Brackets for Orthodontic Patients Using Two Removal Methods
Patients at the Orthodontic Department of the University of Damascus Dental School will be examined, and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT06873503
- Testing
- Bracket removal using a Weingart plier with the mouth open, Biting on a cotton roll during brakcet removal
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus 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
Dental Crowding, Alveolar Bone Loss
Bone Level Changes Using Clear Aligners Compared to Fixed Appliances in Non-Extraction Treatment of Adults
This study compares two common ways of straightening teeth in adults who have mild-to-moderate crowding of the lower front teeth and do not need any teeth removed: clear aligners and traditional fixed braces.
- Conditions
- Dental Crowding, Alveolar Bone Loss, Malocclusion
- Trial name
- NCT07716007
- Testing
- Fixed orthodontic appliance, Clear aligners
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
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
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
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
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
CLASS II DIVISION 1 MALOCCLUSION
Evaluating the Efficacy of the Sliding Mechanisms on Round-section Arch Wire
Patients at the Orthodontic Department of the University of Damascus Dental School will be examined, and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT07243509
- Testing
- Round-cross-section archwire, Rectangular-cross-section archwire
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University
Dental Crowding, Dental Occlusion, Traumatic
Exploration of the Utility of Dental-dedicated MRI for Dentistry
This description observational research is comparative in design, that is comparing existing standard clinical dental images, not obtained in this study, to test (i.e., ddMRI) images.
- Conditions
- Dental Crowding, Dental Occlusion, Traumatic, Endodontic Disease, Orthodontic Treatment
- Trial name
- NCT06948162
- Testing
- dental-dedicated MRI (ddMRI)
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Malocclusion, Class I/II, Crowding, Tooth
Treatment Outcome of Clear Aligner and Traditional Fixed Appliances in Four Premolar Extraction Cases
Patients with severe crowding requiring the extraction of four premolars will be enrolled in this study. The degree of apical root resorption associated with using the clear aligner technique compared with vestibular fixed…
- Trial name
- NCT07236775
- Testing
- Clear Aligners, Traditional fixed appliances
- Where
- Syria
- Volunteers
- 40 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
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 Appliance
Speed of Premolar Extraction Space Closure: Healed vs Recent Extraction Site
The aim was to compare the rate of teeth movement into fresh and old extraction sites.
- Trial name
- NCT04598490
- Testing
- Space closure into old extraction space, Space closure into recent extraction space
- Where
- Jordan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
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
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
Gingival Health, Crowding of Anterior Mandibular Teeth
To Compare the Effects of Lip Bumper Appliance in Rate of Lower Incisor Alignment After First Premolar Extractions
The goal of this clinical trial is to check the effects of lip bumper appliance contribution to driftodontics after designated tooth extractions that are already part of orthodontic treatment plan.
- Trial name
- NCT06929754
- Testing
- Lip bumper
- Where
- Pakistan
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Bahria University