Clinical trials: Maxilla
Maxillary Retrusion, Nasal Airway Obstruction
Evaluation of the Effect of Three Types of Rapid Maxillary Expanders (Conventional, Hybrid and MSE)
Aim of the study: To compare radiographically the morphometric changes in the nasal airway after using three types of rapid maxillary expansion (RME) conventional hyrax (CH), hybrid hyrax (HH) and maxillary skeletal expander…
- Trial name
- NCT05446714
- Testing
- CH 4 band, HH 2 bands, MSE 2 bands and 4
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Al-Azhar 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 Chicago
Post-operative Nausea, Post-operative Vomiting
Study of Anesthesia Techniques to Reduce Nausea and Vomiting After Jaw Corrective Surgery
The purpose of this study is to determine whether a multi-modal anesthesia and pain control protocol reduces post-operative and post-discharge nausea and vomiting (PONV and PDNV) in patients undergoing upper jaw corrective…
- Conditions
- Post-operative Nausea, Post-operative Vomiting, Nausea Persistent
- Trial name
- NCT01592708
- Testing
- Antiemetic anesthesia protocol
- Where
- United States
- Volunteers
- 233 people
- Sponsor
- University of North Carolina, Chapel Hill
Root Canal Therapy
Treatment Durations for Endodontic Procedures
The aim of this observational study is to compare the treatment durations of different stages of routine root canal therapy performed on maxillary molar teeth using direct vision, magnification loupes, and a dental operating…
- Trial name
- NCT07304869
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people
- Sponsor
- Uşak University
Caries,Dental, Apical Periodontitis
Kovanaze Vs. Articaine in Achieving Pulpal Anesthesia of Maxillary Teeth - Pediatric
The primary goal of the study is to compare the success rates of pulpal anesthesia (defined as ability to complete the intended dental procedure without the need for rescue anesthesia) between Kovanaze nasal mist and Articaine…
- Trial name
- NCT03962634
- Testing
- Kovanaze Nasal Spray, Articaine Injection
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Virginia Commonwealth University
Second Mesiobuccal Canal, Maxillary First and Second Molars
Prevalence of Second Mesiobuccal Canal of Maxillary First and Second Molars Among Egyptian Population
a cross-sectional study to estimate the prevalence of a second mesiobuccal canal of maxillary first and second molars in Egyptian population using cone beam computed tomography through retrospective data analysis
- Trial name
- CBCT (NCT03225573)
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Maxillary Lateral Incisor Malocclusion
Effect of Clear Aligner Attachment Design on Extrusion of Maxillary Lateral Incisors
The purpose of this research is to test which of four clear aligner attachment types is more efficient in extruding (erupting) maxillary lateral incisors vertically into correct position during orthodontic treatment.
- Trial name
- NCT04968353
- Testing
- Incisally-beveled attachment, Gingivally-beveled attachment, Optimized attachment
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
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
Anesthesia
Comparison of Intranasal Kovacaine Mist, and Placebo for Anesthetizing Maxillary Teeth in Pediatric Patients
The purpose of this study is to compare the efficacy of Kovacaine Mist, and Placebo for inducing pulpal anesthesia of the maxillary teeth in pediatric patients.
- Trial name
- NCT01844830
- Testing
- Tetracaine HCl 3% and Oxymetazoline HCl 0.05%
- Where
- 2 sites in United States
- Volunteers
- 90 people
- Sponsor
- St. Renatus, LLC
Anesthesia
Dose-Ranging Study of Intranasal Kovacaine Mist in Pediatric Subjects
The purpose of this study is to assess the efficacy and safety of intranasally administered Kovacaine Mist for anesthetizing maxillary teeth in pediatric subjects.
- Trial name
- NCT01701505
- Testing
- 400uL of Kovacaine Mist, 200uL of Kovacaine Mist, 120uL of Kovacaine Mist
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- St. Renatus, LLC