Clinical trials: Three-Dimensional
Edentulous Alveolar Ridge, Edentulous Alveolar Ridge In Mandible
Accuracy of Computer Guided Implant Placement in Edentulous Mandible A Three-Dimensional In Vitro Study
Five stryofoam mandibles were included in this study to assess the accuracy of using computer guided surgical stent in placement of dental implants.
- Trial name
- NCT06990360
- Testing
- CBCT Scanning
- Where
- Egypt
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Eslam Nashaat Saied Ahmed Mohamed
Gingival Recession
Treatment of Multiple Gingival Recessions With a MCAF or a MCAT and a Collagen Matrix
In a recent meta-analysis, Graziani et al. reported that despite the "ideal" treatment for multiple gingival recession defects is not yet identified, there are some indirect suggestions from the analyzed data that, in comparison…
- Trial name
- NCT04225351
- Testing
- MCAF+CM, MCAT+CM
- Where
- Italy
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Università Vita-Salute San Raffaele
Homozygous αº-thalassemia, Hb Bart's Disease
Use of 3D/4D Ultrasound in the Evaluation of Fetal Anomalies
Volumetry measurements can be a potential clinical use as non-invasive tools in prenatal diagnosis and screening and helps to reduce the risk and complications of invasive procedures.
- Trial name
- NCT00826917
- Where
- China
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Caries Active, Tooth Decay
Effects of Platelet and Leukocyte-rich Fibrin on Alveolar Ridge Maintenance Through Three-dimensional Analysis
Understanding, through accurate and reliable volumetric analysis, how the biomaterial (LPRF) and the thickness of the vestibular bone plate influence changes in bone volume after extraction, is essential for making clinical…
- Conditions
- Caries Active, Tooth Decay, Tooth Loss / Rehabilitation
- Trial name
- NCT07278180
- Testing
- Alveolar socket preservation with graft and flap surgery
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Guarulhos
Alveolar Ridge Augmentation
Allograft Ridge Augmentation: 3D Analysis of CAD/CAM Custom Milled and Prefabricated Conventional Allogeneic Bone Blocks and Dental Implant Follow-up
To rehabilitate patients after the loss of their own teeth, dental implants are nowadays the therapy of choice if the indication is suitable.
- Trial name
- NCT06027710
- Testing
- Extensive alveolar ridge augmentation with allogeneic bone blocks; dental implant insertion in allogeneic bone graft
- Where
- Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Santiago de Compostela
Pre-Eclampsia
First Trimester Screening for Preeclampsia and Intrauterine Growth RestrIction Using Three Dimensional Doppler Angiography
Introduction: Preeclampsia (PE) and intrauterine growth restriction (IUGR) are two major pregnancy complications, related to a chronic utero-placental hypoperfusion.
- Trial name
- SPIRIT (NCT03342014)
- Testing
- Ultrasound, Blood sample collection
- Where
- France
- Volunteers
- 2,159 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Preeclampsia
Fetal Renal Artery Doppler in Patients With Preeclampsia
Preeclampsia is a major devastating disorder affects 2:10% of pregnancies worldwide. preeclampsia may be associated with placental insufficiency which may cause fetal blood redistribution to essential organs like brain, heart…
- Trial name
- NCT06395974
- Testing
- fetal ultrasound
- Where
- Egypt
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Assiut University
Adipose Tissue Atrophy, Deformity of Reconstructed Breast
Effect of N-Acetylcysteine on Autologous Fat Graft Survival
A single-centre triple-blind study looking at the addition of NAC to tumescent solution for liposuction and fat grafting in healthy patient volunteers already undergoing bilateral breast reduction.
- Conditions
- Adipose Tissue Atrophy, Deformity of Reconstructed Breast, Graft Loss
- Trial name
- NCT02788292
- Testing
- Acetylcysteine
- Volunteers
- healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Anal Fistula
Endorectal Three-dimensional Ultrasound in the Diagnosis of Cryptogenic Fistulas of the Rectum.
Prospective comparative parallel ultrasound diagnostic transrectal study in the diagnosis of cryptogenic fistulas of the rectum
- Trial name
- NCT03743701
- Testing
- The method of transrectal ultrasound in В-mode, The method of transrectal ultrasound examination using three-dimensional image reconstruction.
- Where
- Russia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- State Scientific Centre of Coloproctology, Russian Federation
Mental Health
Three-dimensional Virtual Reality and Hands-on Aromatherapy
A quasi-experimental trial was designed to evaluate the effectiveness of this combination in promoting happiness, perceived stress, sleep quality, experience on meditation, and life satisfaction among institutionalized older…
- Trial name
- NCT04324216
- Testing
- 3D virtual reality and hands-on aromatherapy
- Where
- Taiwan
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Taiwan Normal University
Jaw Cysts, Curettage
Low-Intensity Pulsed Ultrasound as an Adjunctive Therapy for Bone Regeneration Following Jaw Cyst Enucleation
This study tested whether low-intensity pulsed ultrasound (LIPUS) could help patients recover better after surgery to remove jaw cysts. A total of 29 patients with 33 jaw cysts were included.
- Trial name
- LIPUS (NCT07210983)
- Testing
- Low-Intensity Pulsed Ultrasound
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Sadam Elayah
Transpalatal Arch (TPA), Oral Health Related Quality of Life (OHRQoL)
Comparing Clinical Application of Innovatedly Made Transpalatal Arch (TPA) From 3D Reconstructed Model and Conventionally Made TPA
Trans-palatal Arch or TPA is an intra oral device that is occasionally used in conjunction of orthodontic fixed appliance treatment. It has two main types, the fixed or removable TPA.
- Conditions
- Transpalatal Arch (TPA), Oral Health Related Quality of Life (OHRQoL), Oral Health Impact Profile Short Version 14 (OHIP 14), Orthodontic Pain
- Trial name
- NCT03755622
- Testing
- Conventional Transpalatal Arch (TPA), Transpalatal Arch (TPA) fabricated from 3D reconstructed model
- Where
- Malaysia
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Choroid
Three-dimensional Choroidal Vascularity Index in Common Fundus Diseases
Explore the changes of choroidal blood perfusion in common fundus diseases by three-dimensional choroidal vascularity index, an optical coherence tomography (OCT) parameter.
- Trial name
- NCT04790084
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Pulmonary Ventilation
Accuracy of 3D Electrical Impedance Tomography for Assessing Lung Ventilation
This prospective observational study will evaluate how accurately three-dimensional electrical impedance tomography (3D-EIT) measures the distribution of air in the lungs during breathing when compared with four-dimensional…
- Trial name
- NCT07756086
- Testing
- Three-Dimensional Electrical Impedance Tomography, Dynamic Chest Computed Tomography
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Urinary Incontinence Due to Urethral Sphincter Incompetence
Assessment of the Internal Urethral Sphincter and the Vagina by Three Dimensional Ultrasound
Continent women have an intact internal urethral sphincter that extends from the bladder neck down to the perineal membrane. The internal urethral sphincter is a strong collagen muscle tissue cylinder lined by urothelium.
- Trial name
- NCT02139956
- Testing
- ultrasonography
- Where
- Egypt
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Segmentation; Bone
Accuracy of Open-source Software in Semi-automatic 3-Dimensional Reconstruction of the Mandible
Concomitant to the evolution of CBCT devices, several post-processing software packages were developed for producing 3D-printed models of anatomical structures.
- Trial name
- NCT05055986
- Testing
- Semiautomatic segmentation of open-source software
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Cairo University
Echocardiography, Three-Dimensional
Visualization of the Stomach During Fasting and Measurement of Intragastric Volume After Ingestion of Fluid: Feasibility and Application of Three Dimensional Ultrasound in Healthy Subjects
Aspiration pneumonia is a dreaded complication of anaesthesia because of its prevalence (1/3,886 cases in elective anaesthesia and 1/895 cases in emergency settings) and its high morbidity and mortality (3 to 9%).
- Trial name
- ECHO3DGASTRIQ (NCT02819466)
- Testing
- 3D echography
- Where
- France
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Mimic Facial Muscles
Quantification, Analysis and Simulation of Facial Mimics Movements
The SIMOVI project is a collaboration between our Department of Maxillofacial Surgery (CHU Amiens) and the Biomechanical bioengineer Research Department and Roberval Labs (Technological University of Compiègne).
- Trial name
- SIMOVI-IRM (NCT02002572)
- Testing
- Magnetic Resonance Imaging (MRI), Surface scan, Motion capture, Digital Image Correlation
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Neck Pain, Manipulation, Spinal
3-D Laser Imaging to Analyze Neck Movement
The goal of this research project is to develop a new system that uses lasers to provide 3-dimensional (3-D) images of the cervical spine (the seven spinal bones in the neck) in a moving person.
- Trial name
- NCT00022828
- Testing
- 3-D Laser Imaging Device
- Where
- 2 sites in United States
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Technology
Attitudes and Barriers of Prosthetics and Orthotics Professionals in Turkey Towards 3D Printers and Technology
This study aim is the attitudes and barriers of prosthetics and orthotics professionals towards 3D printers and technology will be determined.
- Trial name
- NCT06560567
- Where
- Turkey (Türkiye)
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Medipol University