中华口腔正畸学杂志
中華口腔正畸學雜誌
중화구강정기학잡지
CHINESE JOURNAL OF ORTHODONTICS
2014年
4期
200-203
,共4页
李晓玮%任超超%王喆垚%赵派%王红梅%白玉兴
李曉瑋%任超超%王喆垚%趙派%王紅梅%白玉興
리효위%임초초%왕철요%조파%왕홍매%백옥흥
隐形矫治器%矫治力%移位量%衰减
隱形矯治器%矯治力%移位量%衰減
은형교치기%교치력%이위량%쇠감
Thermoplastic aligner%Orthodontic force%Amount of activation%Attenuation
目的 利用传感器芯片对不同移位设计量的隐形矫治器所产生的矫治力进行测量,探讨移位设计量对隐形矫治力及其衰减的影响,为临床正畸矫治设计提供参考.方法 选用厚度1.0mm的热压膜材料(Erkodent,德国)压制右上中切牙舌向移位设计量分别为0.2、0.3、0.4、0.5和0.6mm的隐形矫治器,利用隐形矫治微型测力系统测量矫治器产生的矫治力并观察其在2周内的衰减情况.结果 移位设计量为0.2、0.3、0.4、0.5、0.6mm的矫治器所产生的矫治力的平均值分别为8.047、9.250、10.189、11.821、12.247N.在矫治器戴入的最初8h矫治力衰减迅速,之后衰减缓慢直至第4天起矫治力维持在较为平稳的水平.结论 随矫治器移位设计量的增加,隐形矫治器产生的矫治力也相应增加.推荐上中切牙舌向整体移动的移位量设计不应超过0.5mm.患者在佩戴每副矫治器的最初4天应尽量全天佩戴.
目的 利用傳感器芯片對不同移位設計量的隱形矯治器所產生的矯治力進行測量,探討移位設計量對隱形矯治力及其衰減的影響,為臨床正畸矯治設計提供參攷.方法 選用厚度1.0mm的熱壓膜材料(Erkodent,德國)壓製右上中切牙舌嚮移位設計量分彆為0.2、0.3、0.4、0.5和0.6mm的隱形矯治器,利用隱形矯治微型測力繫統測量矯治器產生的矯治力併觀察其在2週內的衰減情況.結果 移位設計量為0.2、0.3、0.4、0.5、0.6mm的矯治器所產生的矯治力的平均值分彆為8.047、9.250、10.189、11.821、12.247N.在矯治器戴入的最初8h矯治力衰減迅速,之後衰減緩慢直至第4天起矯治力維持在較為平穩的水平.結論 隨矯治器移位設計量的增加,隱形矯治器產生的矯治力也相應增加.推薦上中切牙舌嚮整體移動的移位量設計不應超過0.5mm.患者在珮戴每副矯治器的最初4天應儘量全天珮戴.
목적 이용전감기심편대불동이위설계량적은형교치기소산생적교치력진행측량,탐토이위설계량대은형교치력급기쇠감적영향,위림상정기교치설계제공삼고.방법 선용후도1.0mm적열압막재료(Erkodent,덕국)압제우상중절아설향이위설계량분별위0.2、0.3、0.4、0.5화0.6mm적은형교치기,이용은형교치미형측력계통측량교치기산생적교치력병관찰기재2주내적쇠감정황.결과 이위설계량위0.2、0.3、0.4、0.5、0.6mm적교치기소산생적교치력적평균치분별위8.047、9.250、10.189、11.821、12.247N.재교치기대입적최초8h교치력쇠감신속,지후쇠감완만직지제4천기교치력유지재교위평은적수평.결론 수교치기이위설계량적증가,은형교치기산생적교치력야상응증가.추천상중절아설향정체이동적이위량설계불응초과0.5mm.환자재패대매부교치기적최초4천응진량전천패대.
Objective To measure orthodontic force generated by different amounts of activation of lingual invisible aligners with the use of the Micro-stress sensor and explore the possible influences of activation amounts on the orthodontic force.Methods 1.0 mm thickness thermoplastic materials were selected to manufacture the aligners with 0.2 mm,0.3 mm,0.4 mm,0.5 mm and 0.6 mm activation for lingual bodily maxillary central incisor movement.The orthodontic force delivered by the thermoplastic aligners was measured using micro-stress sensor measurement system for invisible orthodontic technique,and monitored force attenuation within 2 weeks.Results The average orthodontic force generated by the aligners with 0.2 mm,0.3 mm,0.4 mm,0.5 mm and 0.6 mm activation was 8.047 N,9.250 N,10.189 N,11.821 N and 12.247 N relatively.All aligners demonstrated a quick decreasing strain at first 8 hours,then the strain decreased slowly and plateaued from day 4.Conclusions As amount of activation increases,orthodontic force generated by the invisible orthodontic appliances also increases.It is recommended that the amount of activation should not exceed 0.5mm for lingual bodily movement of maxillary central incisor.Each aligner should be worn for close to 24 hours per day in the first 4 days.
