Orthodontics (ceramic invisible brackets)

The ceramic bracket belongs to a category of brackets that are part of the orthodontic appliance. Because its color is close to the true color of the teeth, it is not easy to be noticed after use, and is also called invisible bracket. Treating diseases: dentition sparse dentition crowded Indication 1. The ceramic bracket can meet the aesthetic requirements of the patient and is durable and not easily deformable. It is an ideal bracket for adult orthodontics. Since ceramics have a modulus of elasticity that is more similar to teeth and easier to remove than ceramics, it is recommended to use metal brackets for adolescents. 2. Ordinary ceramic brackets do not contain any metal components and are suitable for patients who are allergic to metals. Contraindications 1. Patients with poor oral hygiene habits or high fever. 2. Patients with periodontal disease. Preoperative preparation Take care to prevent infection from happening. Surgical procedure Bonding method: direct method and direct method direct bonding method: photo-curing bonding method, 1 washing the tooth surface with water; 2 moisture-proof, air gun thoroughly dry the tooth surface; 3 acid etching tooth surface 15s; 4 washing tooth surface; Air gun to dry the tooth surface; 6 apply a thin layer of primer on the tooth surface; 7 apply adhesive to the base of the bracket; 8 use the bracket locator and positioning table to accurately position the bracket; 9 remove residual adhesive; 10 light Curing the bonding brackets. Indirect bonding method: the operation steps of the laboratory, 1 after the mold is taken, the artificial upper and lower dental arch working model is filled with artificial stone, soaked in water for the night; 2 trimming the bottom of the working mold; 3 using the bracket positioning table as a reference, applying the bracket positioning instrument, Pick a small amount of paste to accurately fix the bracket on the working die surface, and use the hard mold to eliminate the undercut at the bracket wing; 4 use a 0.5mm soft film to press the negative mold on the model; 5 press the upper and lower female molds before and after the teeth It is divided into six sections. Clinical operation steps: 1 mouth internal tooth preparation and direct method operation steps 1~7. 2 The female mold segment is accurately reset to the upper and lower dental arches of the patient's mouth, and the fingertips are forced to be solidified (the photocurable adhesive can also be used). 3 Carefully remove the film and remove the residual adhesive on the tooth surface. complication Enamel dysplasia, enamel cracks, large area repair, dead pulp.