View clinical trials related to Malocclusion.
Filter by:Malocclusion is a kind of craniomaxillofacial complex deformity caused by heredity, environment, bad habits, trauma, inflammation, tumor and aging. Notably, the last comprehensive national prevalence data on malocclusion in China, which encompassed a significant sample size, dates back over two decades. Given the evolving nature of these epidemiological metrics, such as prevalence rates, it is imperative to update our understanding. Consequently, there is an urgent need for China to undertake a unified, standardized epidemiological survey of malocclusion with a substantial sample size to ensure accurate and timely data collection.
In influence of complex correction of dental and musculoskeletal systems on the frequency of relapses of functional disorders in patients with somatic pathologies: a randomized pilot study there will be two groups: Group 1 (control group): Patients in this group will receive standard treatment aimed solely at correcting malocclusions or restoring the integrity of the dentition without interfering with the musculoskeletal system. Group 2 (experimental group): Patients will receive comprehensive treatment, including not only dental correction of bite or restoration of the integrity of the dentition, but also correction of disorders of the musculoskeletal system. The endpoints will be : Primary endpoint: • Frequency of relapses and repeated requests for correction of disorders bite or restoration of the integrity of the dentition within 12 months after treatment. Secondary endpoints: - Change in pain intensity measured by visual analog scale (VAS). - Improvement of functional indicators of the temporomandibular joint, including range of motion. - Improved quality of life, assessed using the OHRQoL (Oral Health Related Quality) scale All endpoints will be evaluated within 12 months.
The goal of this clinical trial is to test the effectiveness of lingual aligners in adults. The main question to answer is: - Are lingual aligners effective in achieving desired and predicted tooth movements?
The objective is to compare the dento-alveolar therapeutic effects of wearing class II inter-arch traction elastics on aligners versus multi-brackets in an adult population. The principal hypothesis is no significant difference in therapeutic effects of using inter-arch elastics on aligners versus multi-brackets.
Objective: To compare the cementation precision of self-ligating brackets between two indirect bonding materials: polyvinylsiloxane and thermal glue. Methods: Split-mouth randomized clinical trial study, with 15 participants. The study will be divided into two groups, Group 1: Polyvinylsiloxane and Group 2: Thermal glue.
To evaluate the effect of the low power density 940nm diode laser in the total relief of dental crowding during the alignment phase and the perception of pain in patients who initiate orthodontic treatment.
There is currently no information on how mandibular advancement therapy could influence three-dimensionally the condylar and mandibular morphology in growing patients affected by Juvenile Idiopathic Arthritis (JIA). Therefore, the aim is to assess the three-dimensional morphological mandibular changes produced by the Invisalign® Mandibular Advancement (MA) (Align Technology, San José, CA, USA) in growing subjects affected by juvenile idiopathic arthritis with unilateral and bilateral JIA and to compare them with not-JIA control subjects
Posterior crossbite (PCB) is defined as the presence of one or more teeth of the posterior group (canine to third molar) in an inverted buccolingual relationship, where the vestibular cusp of the upper tooth is in contact with the central fossa of its lower antagonist tooth. It is one of the most common malocclusions in children, with a prevalence of 8 to 22% among orthodontic patients in primary and mixed dentition and 5 to 15% among the general population. It can be bilateral (MCPB) or unilateral (MCPU). In 71-84% of cases, CCM in growing patients appears as a functional CCBM and is therefore associated with a functional mandibular deviation. The hypothesis of this study is, that unilateral posterior crossbite correction by Rapid Maxillary expansion achieves improved symmetry and muscle activation potential in treated patients. The objective of this study is to evaluate the muscle activity of masticatory muscles in patients with unilateral posterior crossbite with superficial electromyography before and after treatment with rapid maxillary expansion. Superficial electromyography will be measured in masseter and temporalis muscle before treatment, when the patients bite is corrected and after the treatment. Three static and two dynamic tasks will be measured.
The investigators will perform a prospective, non-randomized observational study. The aim of this study is to evaluate stability of tooth-borne, bone-borne and hybrid expansion following SARPE by using data collected according to the existing SARPE follow-up protocol. The insights of this study might elucidate the preferred expansion technique and improve surgical technique.
To evaluate the effectiveness of pain reduction on a initial orthodontic treatment by using 810nm Diode laser compared to a placebo. Methods: This study will include two parallels groups, 30 adult patients each (mean age 18 - 40) that will be asked to fill a questionnaire related with pain before starting orthodontic treatment with Tip edge technique. Patients from one of the groups will receive laser therapy on both upper and lower maxillary according to the protocol. The patients from the other group will receive a placebo simulating a laser therapy on both maxillary. After the process, both groups will be checked on different times (12hrs-24hrs-48hrs-72hrs after) by filling a questionnaire related with pain each time.