View clinical trials related to Malocclusion.
Filter by:The aim of the study is to examine orthodontic screening practises in public health care.
In orthodontics, the teeth tend to move to the extraction space. This tooth movement becomes of larger importance when there is a crowding. During the COVID lockdown period, It was noted that some cases have a significant improvement and almost all the crowding was relieved without appliance activation.
This study aims to determine and compare the precise skeletal dental and soft tissue effect of Mandibular advancement aligners and Herbst Appliance.
This study aims to evaluate the clinical performance of the zirconia laminate veneer, a minimally invasive prosthetic restoration
Research Question While the reduction in treatment times and the patient satisfaction after periodontally accelerated osteogenic orthodontics (PAOO) are well sustained in the scientific literature, there is still controversy regarding if grafting leads to i) change of the periodontal phenotype and ii) greater stability of post-orthodontic treatment outcomes, highlighting the need of controlled clinical trials. Aims of the Project The aim of this randomized clinical trial (RCT) is to compare piezocision-assisted orthodontics, concomitant to soft tissue grafting (volume-stable collagen matrix), with piezocision-assisted orthodontics, concomitant to bone grafting with a xenograft and a native collagen membrane, in orthodontic non-growing patients. The primary aim will be to determine the impact of this surgical protocol on the hard and soft tissue changes occurring on the buccal aspect of the dentition. Secondary objectives will include the assessment of the comparative impact on treatment duration, rate of tooth movements, presence of root resorption, periodontal parameters, bone level changes and patient-reported outcome measures (PROMs) between the two groups.
This study will be performed to evaluate the treatment of posterior cross-bite with modified hyrax & Quad helix appliances and to compare which one will provide better results in relation to chewing difficulty in children with posterior cross- bite in mixed dentition
Orthognathic surgery is a type of jaw surgery where a surgeon cuts the bones of the upper and lower jaw and places them better. There are two ways they can put the bones in the correct place and keep them in place after the surgery. One way, called the "conventional method", is to use a 3D-printed guide called a splint to set the bones in the right place and then screw the bones together using metal plates that the surgeon bends into shape to fit during the surgery. Another way is to use a patient-specific implants (PSI) that has been 3D-printed in titanium beforehand that because of its unique shape both places and keeps all the bones in the correct place after they are screwed in. Both ways of doing it are golden standards, meaning they are already approved. Measuring the accuracy of the surgery is done by comparing the positions of the bones after the surgery with the intended positions of those bones, according to the surgical plan. The closer the achieved position of each bone is to the intended position, the more accurate the result. Measuring the stability of the surgery is done by comparing the positions of the bones after the surgery with the positions of the bones two years later. The less the position is changed, the more stable the result. The goal of this clinical trial is to see how accurate and stable PSIs are in orthognathic surgery when the maxilla is split in 3 pieces, and to compare them with the conventional method in patients with overjet or overbite. The main questions it aims to answer are: - Does using PSIs provide accurate movements of the maxilla pieces? - Does using PSIs provide more accurate movements of the maxilla pieces than the conventional method? - Does using PSIs provide stable movements of the maxilla pieces after 2 years? - Does using PSIs provide more stable movements of the maxilla pieces than the conventional method? Participants will get orthognathic surgery as part of their normal orthodontic treatment. Investigators will compare the PSI and conventional groups to see if the PSIs are more accurate than the conventional method.
The aim of the study is to evaluate the most efficient product for the cleaning of Invisalign® clear aligners (Align Technology Inc., San Jose, CA, USA) through objective and subjective assessments after the use of 5 different products. For each aligner, one product is used for 2 weeks until all of them are used, therefore 5 different aligners are required for the study. A periodontal evaluation is conducted to assess variations during the time frame of the study.
A randomized clinical trial to introduce a modified 3D printed customized maxillary protraction facemask and evaluate its efficacy in comparison with the conventional maxillary protraction facemask therapy in correction of Class III malocclusion of young patients
This study includes patients who have had previous orthodontic treatments (without tooth extraction) and who have good alignment of their lower incisors. Investigators will compare two types of lingual retainers made with CAD-CAM