Clinical trials: Micrognathism
Malocclusion, Anxiety
Patient Education Before Orthognathic Surgery
To evaluate the effectiveness in the use of an educational material through: Assessment of knowledge about post-operative orthognathic surgery; assessing levels of anxiety with the survey of Anxiety Inventory-STATE-TRAIT…
- Conditions
- Malocclusion, Anxiety, Micrognathism, Prognathism
- Trial name
- NCT01803204
- Testing
- Booklet - Preoperative Educational
- Where
- Brazil
- Volunteers
- 48 people
- Sponsor
- University of Sao Paulo
Staphylococcus
Efficacy of a Short-term Sequential Therapy in Non-complicated Catheter Related Bacteremia by Methicillin- Susceptible S.Aureus.
Evaluate the efficacy of a sequential regimen of 14 days in patients with catheter-related bacteremia by S. aureus methicillin-susceptible, selected based on a pre-established clinical and microbiological criteria.
- Trial name
- NCT01875263
- Testing
- Cloxacilin, Cloxacillin, Levofloxacin
- Where
- 11 sites in Spain
- Volunteers
- 1 people
- Sponsor
- Fundación Pública Andaluza Progreso y Salud
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Malocclusion, Angle Class II
Effects of Modified Fixed Twin Block Versus Removable Twin Block on Skeletal Class 2 Growing Patients With Mandibular Deficiency
Effects of modified fixed twin block versus removable twin block on skeletal class 2 growing patients with mandibular deficiency: A Randomized Clinical Trial
- Conditions
- Malocclusion, Angle Class II, Mandible Small
- Trial name
- NCT05993156
- Testing
- modified Fixed twinblock, removable twin block
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Cairo University
Subglottic Stenosis (SGS), Pierre Robin Sequence (PRS)
Functional Modeling of the Pediatric Airway
The investigators hypothesize that a functional computational model that simulates the mechanical and aerodynamic behavior of the upper airway in children with Pierre Robin Sequence (PRS) and laryngeal lesions (e.g.
- Conditions
- Subglottic Stenosis (SGS), Pierre Robin Sequence (PRS), Micrognathia, Normal Controls From CT Scans of the Upper Airway
- Trial name
- NCT01690078
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- University of North Carolina, Chapel Hill
Surgical Complication, Paresthesia
Trial of Bilateral Sagittal Split Osteotomy Induced Paresthesia Using Ultrasonic vs. Reciprocating Saw Instrumentation
The aim of this prospective study is to analyze the postoperative paresthesias experienced in patients who undergo bilateral sagittal split osteotomies (BSSO) using an ultrasonic saw, versus a reciprocating saw.
- Conditions
- Surgical Complication, Paresthesia, Fracture, Nerve Injury
- Trial name
- NCT05205616
- Testing
- Sonopet ultrasonic saw, Reciprocating saw
- Where
- 2 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Mandibular Hypoplasia, Relapse
Evaluation of Early Relapse After Mandibular Lengthening Surgery
The goal of this study is to evaluate whether the use of a bone graft substitute at the osteotomy site will result in better stability and diminish early relapse after mandibular lengthening surgery.
- Trial name
- NCT03710512
- Testing
- Bilateral sagittal split osteotomy
- Where
- Belgium
- Volunteers
- 50 people
- Sponsor
- Universitair Ziekenhuis Brussel
Craniofacial Abnormalities, Mandibular Hypoplasia
Dexmedetomidine Versus Sevoflurane in Children With Anticipated Difficult Intubation
difficult problem in the paediatric age group because of their small mouth opening and un-cooperativeness.Currently used methods of sedation for fibreoptic intubation such as benzodiazepines, propofol or opioids may cause…
- Trial name
- NCT04426552
- Testing
- dexmedetomidine, sevoflurane
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Alexandria University
Adiposity, Micrognathism
A Fatty Flap Taken From the Double Chin for Chin Enhancement: a New Surgical Technique
The double chin is a troublesome component of the lower third of the face. It gives an embarrassing and unpleasant facial appearance to both men and women leading them to ask for liposuction.
- Trial name
- NCT05515016
- Testing
- chin enhancement with a fatty flap sculpted from the double chin
- Volunteers
- 10 people
- Sponsor
- Mohamed Tahar Maamouri University Hospital
Angle Class II, Division 1
Skeletally Versus Dentally Anchored Herbst Appliance
The treatment of skeletal Class II malocclusion can be carried out through different approaches. One of these is the using of Fixed Functional Appliances (FFA), one of main drawbacks of these appliances is the proclination of the…
- Trial name
- NCT04402164
- Testing
- Herbst appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Mandibular Deficiency
Vertical Ramus Osteotomy With Iliac Graft Versus Sagittal Split Osteotomy
Patients will be collected from faculty of dentistry bilateral vertical ramus osteotomy (VRO )with iliac graft group (group I):- 10 patients will be treated via VRO and iliac crest or bilateral sagital spilt osteotomy (BSSO)…
- Trial name
- NCT06850194
- Testing
- vertical ramus osteotomy with iliac graft, bilateral sagittal splitting osteotomy
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Fayoum University
Growth Modification
Three-Dimensional Assessment of Dentoskeletal Changes Associated With a Modified Twin Block Appliance
The aim of the current study is to evaluate the skeletal, dental, soft tissue, TMJ, and upper airway size changes associated with a new design of twin block compared to the conventional twin block appliance.
- Trial name
- NCT06589206
- Testing
- modified design of twin block
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
TMJ Disorder, Mandibular Deficiency
Virtual Planning of Total TMJ Replacement
Virtual Planning of Total TMJ Replacement
- Conditions
- TMJ Disorder, Mandibular Deficiency, TMJ Ankylosis
- Trial name
- TJR (NCT07643259)
- Testing
- Custom made TMJ
- Where
- Egypt
- Volunteers
- 8 people
- Sponsor
- Faculty of Dental Medicine for Girls
Benign Thoroid Disease Requiring Total Thyroidectomy
Clinical Trial on Harmonic Focus Shears Versus Ligasure Small Jaw and Clamp-and-tie Technique for Total Thyroidectomy
The Harmonic Focus and Ligasure small-Jaw are the last device designed for thyroid surgery. The aim is to assess: 1. decrease of operative time (minutes); 2. decrease of post-operative blood loss (milliliters); 3.
- Trial name
- NCT01649154
- Testing
- Total Thyroidectomy with cut and tie technique vs Total Thyroidectomy with Ligasure Small-JAW vs Total Thyroidectomy with Harmonic Focus
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Ospedale Regina Apostolorum
Thyroid Diseases
Comparing Harmonic Ultrasonic Scalpel to Small Jaw Bipolar Device in Thyroid Surgery
Energy devices are used routinely during thyroid surgery to aid surgical dissection and to stop bleeding. The newer generation energy devices have several advantages over older machines.
- Trial name
- NCT01765686
- Testing
- Harmonic Scalpel (Ethicon Endo-Surgery, USA), Ligasure Small Jaw (Covidien, USA)
- Where
- 2 sites in Singapore
- Volunteers
- 100 people
- Sponsor
- National Cancer Centre, Singapore
Micrognathia of Lower Jaw, Retrognathism
Comparison Between Internal and External Distractors in Osteogenesis
Distraction osteogenesis is a powerful technique for creating new bone during significant lengthening of the mandible without the need for bone grafting and associated donor site morbidity.
- Conditions
- Micrognathia of Lower Jaw, Retrognathism, Facial Asymmetry
- Trial name
- NCT03540329
- Testing
- Internal Osteogenesis distractor, External Osteogenesis distractor
- Volunteers
- 30 people
- Sponsor
- Assiut University
Apnea, Airway Obstruction, Nasal
Upper Airway's Pressure Drop Analyses After Mandibular Advancement and Maxillary Expansion
Breathing is a crucial function for everyone. Breathing impairment in children could lead to behavioral and cognitive problems at least.
- Conditions
- Apnea, Airway Obstruction, Nasal, Mandible Small, Maxillary Hypoplasia
- Trial name
- NCT04190953
- Testing
- Twin block then Hyrax, Hyrax then Twin block
- Where
- Canada
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Mandible Small
Augmentation of Atrophic Mandibule Using Poly Ether Ether Ketone Mesh
Comparative study between custom-made polyether ether ketone and titanium mesh for augmentation of atrophic posterior mandible.
- Trial name
- RCT (NCT04017117)
- Testing
- under local anasthesia,Ridge Augmention of posterior atrophic mandible by using mix of autogenous bone graft and bone substitutes is used under PEEK mesh
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Malocclusion
The Use of an Esthetic Twin Block for Patients With Mandibular Retrusion
This experimental study will evaluate the effect of an esthetic Twin-block appliance on the correction of class II malocclusion compared with the traditional Twin-block appliance.
- Trial name
- NCT05418413
- Testing
- CTB, ETB
- Where
- Syria
- Volunteers
- 50 people
- Sponsor
- Damascus University
Skeletal Class 2
Evaluation of the Effects of Flat and Modified Inclined Fixed Anterior Bite Planes on Mandibular Position in Growing Females With Skeletal Class 2 Malocclusion Due to Mandibular Deficiency and Deep Bite
This study will be conducted to see if unlocking mandible from deep bite in growing females by flat fixed anterior bite plane will change mandibular position in skeletal mandibular deficiency and if there is a difference in the…
- Trial name
- NCT03308175
- Testing
- flat fixed anterior bite plane, modified inclined fixed anterior bite plane
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University