儿童牙医经典教学：咬合诱导（gao）2017七年制.pptVIP

Removable appliances Fixed appliances Soldered W Arch 3. Crowding of dental arch and sequence tooth extraction(牙弓拥挤和序列拔牙) an arch deficiency of 4 mm Angle I Further orthodontic treatment the primary canines -- removed alignment of the permanent incisors the primary first molars--removed the first premolars erupt-- removed a space maintainer canines erupt Further orthodontic treatment 6—15M sequence tooth extraction Referrence 1. A.C. Cameron, R.P. Winder. Handbook of pediatric dentistry, 2ndeddition, 2003 2. J.R. Pinkham. Pediatric dentistry, 4rdeddition, 2009 3. 邓辉主编. 儿童口腔医学.北京:北京大学医学出版社，2005 4. 石四箴主编. 儿童口腔医学. 第三版.北京:人民卫生出版社，2008 5. 中田捻著，邓辉主译. 咬合诱导.第一版.北京医科大学、中国协和 医科大学联合出版社，1993 6. McDONALD.Dentistry for the Child and Adolescent,2004 * Onokazu regression equation 21 12 21 12 上下合侧方牙群的宽度 Space analysis We cant evaluate accurately the lingual and labial position of anterior teeth and patients profile only by space analysis and calculate We should consider direct factors related to space change Then plan for space maintenance 1mm，1-5mm，5mm Diagnosis and treatment planning Diagnosis Possible factors for the formation of malocclusion Types of malocclusion Treatment planning and prognosis Treatment planning Indications and indications 四、 space management Premature loss of deciduous teeth Age Dentition stage Number of teeth Permanent tooth loss The action of a series of forces Significance of space maintainer --To prevent the adjacent teeth from drifting --To prevent the opposite teeth from supererupting --To maintain mesiodistal and vertical space --To ensure successive permanent teeth normally erupt Passive occlusive guidance  Premature loss  Dental caries of primary teeth Ectopic eruption Congenital Absence of teeth Trauma Space changes Premature loss primary incisor Premature loss primary canine Premature loss primary molor （D 8yr E 9yr） Age and Den