Clinical trials: Maxillary Expansion
Maxillary Transverse Deficiency (MTD)
Effectiveness of Aligners Versus Rapid Maxillary Expansion
Aim of the study is to assess the effectiveness of Invisalign® First clear aligners compared to tooth-borne Hyrax-type maxillary expander on palatal morphology in growing subjects using 3D technology.
- Trial name
- NCT04760535
- Testing
- Invisalign® First Phase I treatment (Align Technology, Inc., Santa Clara, CA, USA), Tooth-borne Hyrax-type maxillary expander
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- University of Turin, Italy
Posterior Crossbite
Tooth-Borne Versus Tooth-Bone-Borne Rapid Maxillary Expanders: A Stereophotogrammetric Evaluation of Soft Tissues
The force exerted by the rapid maxillary expansion (RME) appliances provides expansion of the transverse dimension by splitting of the midpalatal suture.
- Trial name
- NCT04828213
- Testing
- Rapid Maxillary Expansion Treatment with Tooth-borne RME appliance (Hyrax), Rapid Maxillary Expansion Treatment with Hybrid hyrax RME appliance
- Volunteers
- 32 people
- Sponsor
- Gökçenur Gökçe
Alveolar Cleft
Partial Maxillary Expansion With Post Grafting Expansion vs. Pre Full Maxillary Expansion in Secondary Alveolar Cleft
Intermediate grafting with both pre- and post- grafting maxillary expansion with time span after grafting 6-8 weeks for consolidation and final retention for 3 months after finalization of expansion will get the advantages of…
- Trial name
- NCT05941988
- Testing
- pre grafting partial maxillary expansion with post grafting expansion
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Maxillary Expansion
Rapid Maxillary Expansion Related Oxidative Stress and Periodontal Results
The aim of this study was to investigate the effects of rapid maxillary expansion on local and systemic oxidative stress levels.
- Trial name
- NCT06937775
- Testing
- Periodontal measurements (plaque index, gingival index and probing pocket depth scores ), Biochemical Sample Supply (Collection of serum and saliva samples), Rapid maxillary expansion with Hyrax appliance
- Volunteers
- 35 people
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Palatal Expansion Technique, Malocclusion
Comparison Between Two Rates of Activation of Miniscrew-Supported Upper Jaw Expander in Adolescents
Miniscrew-supported maxillary expanders provide advantages over conventional tooth-supported expanders. However, there is no consensus in the literature regarding their activation protocol.
- Conditions
- Palatal Expansion Technique, Malocclusion, Posterior Crossbite, Maxillary Hypoplasia
- Trial name
- NCT04225637
- Testing
- Miniscrew-Supported Maxillary Expander- Slow activation, Miniscrew-Supported Maxillary Expander- Rapid activation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Alexandria University
Cleft Lip and Palate
Rapid Maxillary Expansion and Protraction by Expander Differential Opening EDO in Cleft Lip and Palate Patients
maxillary expansion in cleft palate patient with expander and using face mask.
- Trial name
- NCT05009472
- Testing
- expander with deferential opening and petit face mask
- Where
- 2 sites in Egypt
- Volunteers
- 10 people
- Sponsor
- Faculty of Dental Medicine for Girls
Cleft Lip and Palate
Slow Expansion and Protraction in Cleft Lip and Palate Patients
Evaluate the treatment outcome of slow maxillary expansion protocol on patients with cleft lip and palate, using a differential opening expander and face mask which will be measured and recorded by cone beam computed tomography…
- Trial name
- NCT04997083
- Testing
- Maxillary Expander with Differential Opening (EDO), Petit face mask
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Tooth, Impacted
Effect of Interceptive Strategies on the Clinical Outcome of Maxillary Impacted Canines
This study aims to investigate the effect of 3 randomly applied interceptive measures (slow maxillary expansion, extraction of deciduous canines and no intervention) on maxillary canine impaction in patients with early mixed…
- Trial name
- NCT05629312
- Testing
- Maxillary expansion, Extraction of deciduous upper canines
- Where
- Belgium
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Cleft Lip and Palate
Transverse Dento-skeletal Effects of Two Rapid Palatal Expansion Appliances in Cleft Lip and Palate Patients
Aim of the study: to compare the effect of Hyrax appliance and the Haas appliance improving the transverse skeletal and dental dimensions in cleft lip and palate patients during mixed dentition.
- Trial name
- NCT04236466
- Testing
- hyrax appliance, haas appliance
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Maxillary Expansion
3D-Printed Versus Laboratory-Fabricated Hyrax Expanders
Maxillary expanders are orthodontic appliances that are commonly used to expand the upper jaw. The purpose of this study will be to compare the effects produced by two different maxillary expanders in children 8-13 years old.
- Trial name
- NCT05743127
- Testing
- 3D-Printed Hyrax Expander, Conventional Laboratory Fabricated Hyrax Expander
- Where
- 2 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Ildeu Andrade Jr.
Cleft Lip and Palate
Alt-RAMEC Expansion and Protraction by EDO in Cleft Lip and Palate Patient
Evaluate the treatment outcome of Alternate Rapid Maxillary Expansion and Constriction Alt-RAMEC protocol on patients with cleft lip and palate, using a differential opening expander and face mask which will be measured and…
- Trial name
- NCT04970095
- Testing
- Maxillary Expander with Differential Opening (EDO), Petit Face Mask
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Bone Resorption
Using Platelet Rich Plasma in Reducing Alveolar Bone Resorption During Rapid Maxillary Expansion
The purpose of this study is to determine if the injection of Platelet-rich plasma (PRP) is effective in reducing alveolar bone loss that happens after each rapid maxillary expansion (RME) on the buccal aspect of the posterior…
- Trial name
- NCT03028038
- Testing
- Platelet Rich Plasma, No Platelet Rich Plasma
- Where
- Syria
- Volunteers
- 16 people
- Sponsor
- Damascus University
Ectopic Tooth Eruption, Palatal Expansion Technique
The Effectiveness of Early Intervention to Correct the Position of PDC:s
Approximately 2-3% of children will have problems with one or both of their permanent or 'adult' canine teeth in the upper jaw. These canine teeth sometimes fail to erupt properly, because they are displaced into the roof of the…
- Conditions
- Ectopic Tooth Eruption, Palatal Expansion Technique, Randomized Clinical Trial
- Trial name
- PDC (NCT06267989)
- Testing
- Extraction of the primary canine teeth, Expansion
- Where
- 3 sites in Germany, Sweden and 1 more
- Volunteers
- 324 people, healthy volunteers welcome
- Sponsor
- Göteborg University
Cleft Palate
Bone-borne Palatal Expander With Corticotomy for Cleft Palate Patients
The tooth-borne palatal expander has limitations in the subset of patients with scarred, constricted cleft palate. At times, although posterior expansion is successful, transverse expansion of the anterior palate (near the…
- Trial name
- NCT03837652
- Testing
- Use of bone-borne palatal expander & maxillary osteotomy
- Where
- Egypt
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Sarah Ahmed Sameh
Maxillary Transverse Deficiency Class I Malocclusion Vitamin D Deficiency Orthodontic Tooth Movement Adolescent Health
Effect of Serum Vitamin D on MARPE Treatment Response
A total of 30 patients are planned to be included in the study during the first half of 2025, who will apply to the clinic. In our clinical routine, approximately 30% of RME patients are treated using the MARPE method.
- Trial name
- NCT06943443
- Testing
- Miniscrew-Assisted Rapid Palatal Expansion (MARPE) Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Konya Necmettin Erbakan Üniversitesi
Maxillary Protraction in Class III Adolescent After Using (MSE)
Evaluation of Two Protocol of Maxillary Protraction in Class III Adolescent After Using (MSE)
The aim of this study of this study is to compare two protocol of maxillary protraction in class III adolescent after using (MSE) Alt-RAMEC vs conventional rapid palatal expansion using cone beam computed tomography (CBCT)
- Trial name
- NCT05489302
- Testing
- Maxillary skeletal expander with protraction face mask with Alt-RAMEC protocol., Maxillary skeletal expander with protraction face mask with conventional protocol
- Where
- Egypt
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Maxillary Expansion
Effects of Skeletal Anchored Maxillary Expander for Constricted Maxilla
The aim of study will be Evaluation of Effects of skeletal anchored maxillary expander for constricted maxilla with different patient's age
- Trial name
- NCT07036822
- Testing
- Skeletal Anchored Maxillary Expander (MARPE)
- Volunteers
- 24 people
- Sponsor
- Samar Hassan Mahmoud Mohamed
Transverse Maxillary Deficiency
Efficacy of Transverse Maxillary Expansion With AMCOP Preformed Appliances
The present study aimed to investigate the cross-sectional effect of Class I AMCOP devices in patients of all possible skeletal types from both vertical skeletal pattern (normodivergent, hyperdivergent, hypodivergent) and…
- Trial name
- NCT06864949
- Testing
- AMCOP appliance
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- University of Pavia