運用人工牙模處理一上下顎前突之症例

運用改良式Tweed機械原理在人工牙模土處理並預估一級上下顎前突之症例。此症例之測顱分析數據是依Stei ner及Tweed之分析法 3在生長發育中之症例FMA角度是很重要的,當此角度大於或事於30。時,因有量直生長的傾向,故必須小心控制施加於牙齒的垂直力量。FMIA值對於咬合之安定性及顏面之審美性也是個當重要的,寫了避得理想值下顎前齒經常必須作後傾彎。在此矯正過程分5個階段和9個組合來進行。每個部驟都應當非常小心的調整,按步就班才能正確的評估整個治療過程之演變,然後對於臨床實際症例之治療便可確實掌握。

關鍵字

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並列摘要

his typodont course was demonstrating how to correct a class I malocclusion, bimaxillary protrusion case, using modified Tweed nechanics. The cephalometric analysis used in dia:nosing on the patient called Pancho Yarra vas a combination of the Steiner analysis and the Tweed triangle. The Frankfortmandibular angle is an extremely important angle vhen planning treatment of a growing patint. Whenever the FMA is 30° or heigher, in I growing child extreme causion must be used to control vertical pressure on the teeth for this angle indicates vertical growth tendencies. Generally speaking, it requires more anchorage in the lower and to correct the 。m of a high mandibular angle case. The FMIA is an another extremely important angle for stability and esthetics. To achieve n FMIA of 670, the lower anterior teeth usually have to be tipped back around the root apex. Treatment plan of this typodont case lVas divided into 5 steps and 9 sets and achi:ving the final desired occlusion is the purpose of attending to the six keys to normal cc1usion.

並列關鍵字

typodont ； bimaxillary protrusion ； tweed mechanics

國際替代計量

運用人工牙模處理一上下顎前突之症例

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