(1) Does she need orthodontic treatment to have her teeth straightened?

(2) Fixed orthodontic treatment is rarely used on primary dentition.

(3) Panoramic X - ray before orthodontic treatment.

(4) Results All cases had good treatment effects after orthodontic treatment.

(5) Authors emphasized that the interceptive orthodontic treatment of anterior crossbite at the early stage is very important.

(6) Orthodontic treatment. Close some space. Harmonious and symmetry tooth arrangement, especially front upper teeth.

(7) In the procedure of orthodontic treatment, most patients suffer from toothache.

(8) The result of the combined surgical - orthodontic treatment was facial symmetry and optimal occlusion.

(9) Cephalometric X - ray, tracing, and analysis before orthodontic treatment.

(10) After 2 years of orthodontic treatment, we successfully resolved her problems of edentulous area and dentofacial appearance.

(11) Objective: To investigate the affection of orthodontic treatment on root length, heigt and alveolar bone.

(12) Objective To explore the adult mentality orthodontic treatment and corresponding measures of psychological instructions.

(13) Vertical control is an important part of orthodontic treatment for correction of anterior open bite.

(14) Objective:To investigate the method of orthodontic treatment of the inversely impacted central incisors in the maxillae.

(15) Objective: To Study the AST activity in gingival crevicular fluid(GCF) and to evaluate the influence of periodontal healthiness between adult and adolescent during the fixed orthodontic treatment.

(16) Patients of thin gingiva biotype suffered from gingival recession after orthodontic treatment more frequently, so preventional gingiva graft procedure will be indicated for this kind of patients.

(17) The difference between Ideal normal occlusion and individual normal occlusion , and the object of orthodontic treatment.

(18) Besides aligning malposed anterior teeth, some other factors may be critical to anterior dental esthetics in orthodontic treatment.

(19) The traditional methods for anchorage control are difficult to provide absolute stability, and lack of anchorage is an important factor of restrictions in orthodontic treatment.

(20) Intermaxillary tooth size discrepancy can affect the final result of orthodontic treatment and its stability.

(21) Objective To explore the changes of gingivitis index and bacteria in crevicular fluid during orthodontic treatment.

(22) Conclusions Fluoride mouth rinse can effectively prevent and enamel decalcification in fixed - orthodontic treatment.

(23) Objective: To investigate the feasibility using sealant preventing enamel decalcification in the orthodontic treatment with fixed appliances and acquire information for clinic.