Clinical trials: Class II Malocclusion, Division 1
Dental Malocclusions, Angle Class II, Division 1
Flapless Mops for Acceleration of Canine Retraction
The aim of the present clinical study was directed to evaluate the effectiveness of micro-osteoperforations on the rate of canine retraction; in addition, the potential risk for root resorption during maxillary canine retraction.
- Conditions
- Dental Malocclusions, Angle Class II, Division 1, Bimaxillary Protrusion
- Trial name
- NCT04383600
- Testing
- Micro-osteoperforation
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Ahmed Akram Elawady
Class II Division 1 Malocclusion
Evaluation of the Levels of Pain and Discomfort Associated With Two Techniques of Corticotomy
This study aims to estimate the levels of pain and discomfort associated with the en-masse retraction of the six upper anterior teeth and assisted by either conventional or flapless corticotomy.
- Trial name
- NCT05040945
- Testing
- Traditional corticotomy, Flapless corticotomy
- Where
- Syria
- Volunteers
- 34 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
The Effect of Platelet-rich Plasma on the Rate and Type of Orthodontic Tooth Movement
This study aims to assess the effect of PRP on the rate and type of OTM during en-masse frictionless retraction of maxillary anterior teeth using a segmental arch technique.
- Trial name
- NCT06133361
- Testing
- PRP injection, En-masse retraction of upper anterior teeth
- Where
- Syria
- Volunteers
- 30 people
- Sponsor
- Damascus University
Malocclusion, Angle Class II, Division 1
Comparison Between Two Methods in the Acceleration of the Retraction of Upper Canines
Patients at the Orthodontic Department of University of Damascus Dental School will be examined and subjects who meet the inclusion criteria will be included.
- Trial name
- NCT03659188
- Testing
- Cortico-alveolar perforations, Traditional Corticotomy
- Where
- Syria
- Volunteers
- 51 people
- Sponsor
- Damascus University
Class II Div 1 Malocclusion
Root Resorption in Class II Div 1 Malocclusion in Upper 1st Premolar Extraction vs Distalization
Rationale: Class II Division 1 malocclusion is characterized by upper anterior teeth protrusion resulting in upper lip protrusion and convex facial profile, which are considered esthetically unfavorable.
- Trial name
- NCT05639725
- Testing
- maxillary Ist premolar extraction, SURGICAL
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Malocclusion, Angle Class II, Division 1
Evaluating Laser and Piezocision vs. Piezocision Alone on Root Resorption and Gingival Health During Tooth Retraction
This trial aims to determine whether using a special laser (low-level laser therapy, or LLLT) in combination with a minor surgical procedure (piezocision) can safely accelerate orthodontic treatment.
- Trial name
- NCT07442825
- Testing
- Flapless Corticotomy (Piezocision), Level Laser Therapy (LLLT), Traditional treatment
- Where
- Syria
- Volunteers
- 66 people
- Sponsor
- Damascus University
Class II Malocclusion, Division 1
Pain, Discomfort, and Acceptance During Using Electrical Stimulation to Accelerate Orthodontic Teeth Movement
Forty patients with class II division 1 malocclusion who will require extraction of the upper first premolars as a part of the orthodontic treatment plan will be invited to participate in the study.
- Trial name
- NCT05920525
- Testing
- Electrical stimulation, Traditional retraction of the front upper teeth
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
External Root Resorption and Periodontal Status During Retraction of the Upper Anterior Teeth
This RCT will include 34 patients requiring en-masse retraction of upper anterior teeth after maxillary first premolars extraction.
- Trial name
- NCT06873490
- Testing
- Electric stimulation removabel device, Traditional retraction method.
- Where
- Syria
- Volunteers
- 34 people
- Sponsor
- Damascus University
Orthodontic Appliances, Removable, Orthodontic Appliance Complication
Microbial Adherence, Surface Roughness, Effectiveness and Impact on Patients Between Conventional and 3D Printed Twin Block Appliances
The Twin Block appliance is a removable orthodontic appliance that is used to help correct a backward positioned lower jaw in growing children.
- Conditions
- Orthodontic Appliances, Removable, Orthodontic Appliance Complication, Class II Malocclusion, Division 1
- Trial name
- NCT06944860
- Testing
- Conventional TBA, 3D TBA
- Where
- Malaysia
- Volunteers
- 32 people
- Sponsor
- University of Malaya
Class II Division 1 Malocclusion
Evaluation of Micro-osteoperforation on Rate of Maxillary En-masse Retraction
accelerated anterior teeth retraction with the help of microosteoperforation procedure and miniscrews.
- Trial name
- NCT03764189
- Testing
- microosteoperforation
- Where
- Egypt
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Division 1 Malocclusion
Cephalometric Changes Following Retraction of the Upper Anterior Teeth Stimulated by Low-intensity Electrical Current
Thirty-six patients requiring extraction of maxillary first premolars and en-masse retraction of upper anterior teeth will participate in the study.
- Trial name
- NCT06639204
- Testing
- Electrical stimulation, Orthodontic treatment without acceleration
- Where
- Syria
- Volunteers
- 36 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion, Maxillary Prognathism
Laser-assisted Flapless Corticotomy in Accelerating Canine Retraction
Erbium lasers have been suggested to accomplish corticotomy without flap reflection due to their attractive advantages. The current trial aimed to evaluate the efficacy of laser-assisted flapless corticotomy in accelerating…
- Conditions
- Class II Division 1 Malocclusion, Maxillary Prognathism, Protrusion, Incisor
- Trial name
- NCT04316403
- Testing
- Er:YAG laser
- Where
- Syria
- Volunteers
- 18 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
The Effect of Autologous Platelet Concentrations on Orthodontic Treatment Time
60 patients needed therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines were divided to randomly three groups: (1) PRP group: Received PRP injections, (2) I-PRF group…
- Trial name
- NCT05335824
- Testing
- The platelet-rich plasma (PRP), The injectable platelet-rich fibrin (I-PRF) group, The control group
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Class II Division 1 Malocclusion
Distalization Using Infrazygomatic Crest Miniscrews and Zygomatic Miniplates: A Randomized Clinical Trial
The main objective of this study is to quantify the distal movement of maxillary central incisors and molars achieved with infrazygomatic miniscrews in comparison with zygomatic miniplate anchorage.
- Trial name
- NCT04191070
- Testing
- infrazygomatic miniscrew, zygomatic miniplate
- Where
- India
- Volunteers
- 42 people
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Treatment, Growth Modification
Study of The Effects of Mandibular Advancement Aligners in Treating Children With Class II Division 1 Malocclusion
The goal of this clinical trial is to learn the effects of Mandibular Advancement Aligner in growth modification of children with Class II Division 1 malocclusion.
- Trial name
- NCT07420270
- Testing
- Mandibular Advancement Aligner
- Where
- Malaysia
- Volunteers
- 21 people
- Sponsor
- University of Malaya