نتایج جستجو برای: orthodontic space closure
تعداد نتایج: 559352 فیلتر نتایج به سال:
The agenesis of maxillary lateral incisors affects the Quality Life and self-esteem patients. management such patients can be done by either opening space replacing it with prosthesis or closing substituting canine as a incisor. choice treatment decision depends upon proper diagnosis planning case. In this case report, skeletal class II patient dental Angle’s malocclusion spacing in arch due to...
Interest in using magnets for generating orthodontic forces started with the widespread availability of rare earth magnetic alloys. In vivo studies have indicated that a static magnetic field and/or corrosion products from the magnetic materials may induce biological effects when in close contact with cells or tissues. In the clinical situation, orthodontic magnets are often situated some dista...
Newton’s third law of motion states that whenever a force is applied an equal and opposite force occurs in the opposite direction of applied force. Orthodontic tooth movement (OTM) being a biological phenomenon; sound knowledge of biomechanics is required. Sliding mechanics is a common approach in orthodontics to achieve tooth movement for closure and gaining of space.1,2 Sliding mechanics invo...
Aim The aim of this study was to evaluate spontaneous closure of the interincisive diastema in a group of patients, using a new surgical technique for the treatment of upper lip frenulum hypertrophy. Study design A triangular flap was lifted, rotated and sutured across the midline. A primary intention healing and positioning of the flap allowed minimal tissue contractures. Materials and methods...
INTRODUCTION Prevalence of complications from orthognathic surgery is relatively low but if it happens it is vital to manage the post complication bony defect appropriately. CASE PRESENTATION This case report describes a 20-year-old gentleman who suffered from a complication from a bimaxillary orthognathic surgery. A bone grafting was carried out to repair the bony defect from the surgery but...
A Case report demonstrate a new orthodontic method that shortens the treatment time with minimizing the discomfort level to the patient as compared to that with traditional corticotomy procedure. A 18 year-old male patient with a Class I malocclusion with spacing of nearly 7mm reported department of orthodontics and wanted to complete the treatment in short period. Piezosurgery is a relatively ...
This study evaluated the mechanical performance of teardrop-shaped loops and teardrop-shaped loops with helix used in orthodontic space closure. Sixty retraction loops made with 0.019" x 0.025" stainless steel (SS) and beta-titanium (BT) wires were used. They were attached to a testing machine to measure the magnitudes of the sagittal force and the load-deflection ratio necessary for 1 mm, 2 mm...
BACKGROUND The smile perception of patients is not strictly related to standardized protocols and technical implications which certainly affect clinicians' decisions. The absence of maxillary lateral incisors could affect smile esthetics either with treatment or not. The aim of the present study was to investigate if different perceptions on altered smiles due to missing maxillary lateral incis...
Context: One of the most important aims in orthodontic treatment is to apply a light continuous force to achieve maximum effective tooth movement with minimal side effects (optimal tooth movement). It is obvious that elastomeric chains are the most popular method of space closure, but they undergo force decay during time. Force decay behavior of elastomeric chains is influenced by various facto...
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