class III malocclusion with posterior cross bite. class III malocclusion
Conditions
Interventions
Intervention group: The study population consisted of children of growing age with Class III skeletal malformations with posterior cross bite referred to a specialized orthodontic clinic in Bojnourd.q
Sponsors
Bojnourd University of Medical Sciences
Eligibility
Sex/Gender
All
Age
6 Years to 12 Years
Inclusion criteria
Inclusion criteria: Based on the cvm analysis performed on the patients' cephalometry, the patient should be in the cs1 stage (which is the time for treatment of Class III patients). patients' should have Posterior cross bite and maxillary deficiency maxillary anterior posterior and transverse deficiency Dental and skeletal Class III relationship and anterior occlusion with tip to tip or reverse overjett Patient profile based on photography and clinical observation, should be concave or straight (Straight)
Exclusion criteria
Exclusion criteria: Lack of general health in physical and medical examinations History of previous orthodontic treatment Existence of any lesion and oral disease Patients with neuromuscular disorders, temporomandibular joint disorders, or patients with specific systemic disease Patients with skeletal open bite
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| SNA angle: The angle between Sela, Nazion, and Point A, indicating the maxillary anterior-posterior position of the cranial base.NV HF. Timepoint: SNA angle measurement at the first and 6 months after plaque application. Method of measurement: Based on lateral cephalogram image analysis by using a conveyor.;Posterior cross bite. Timepoint: at the first and 6 months after plaque application. Method of measurement: Clinical observation in the patient's mouth.;ANB: The angle is between point A, Nazion, and point B and provides information about the relative position of the jaw. Timepoint: at the first and 6 months after plaque application. Method of measurement: Based on lateral cephalogram image analysis by using a conveyor.;Overjet: The horizontal distance between the upper and lower incisors. Timepoint: at the first and 6 months after plaque application. Method of measurement: Based on the photography and lateral cephalogram by using a ruler. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactYasaman Bozorgnia
Bojnourd University of Medical Sciences
Outcome results
None listed