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隱形矯治器走俏，但時有佩戴不貼合的情況？怎麽破？

14/02/22
中国广东省广州市

據中華口腔醫學會正畸專業委員會調查，我國錯颌畸形整體患病率67.82%，大約每10個中國人裏有7個人牙不齊。相比托槽和鋼絲的傳統正畸方式，更加美觀、舒適的隱形矯治器近年開始走俏。然而正畸患者在第一次佩帶上隱形矯治器容易存在不貼合情況，通常存在一下幾種情況：

1、矽橡膠印模變形導致數據誤差

過去多使用矽橡膠印模，在運輸中難免磕了碰了導致變形，如今像黑格科技這一類的隱形矯治器服務商多是提供口掃取數據，大大降低了数据的誤差。在黑格科技智能灵活的正畸方案的帮助下，实现3D打印前處理流程自動化、牙模生産自動化、牙龈切割自動化流程串聯，幫助牙科技工廠、隱形正畸品牌工廠搭建的全流程自動化隱形正畸生産線，告別傳統模式，升級數字化隱形矯治器制作。在收到医生传送的口掃数据后，会第一时间仔细检查，如若不合格会及时告知医生，以防耽误医生和患者太多时间。

2、拔牙後未佩戴矯治保持

對于拔牙病例，通常情況會爲患者制作一副矯治保持，隨第一批隱形矯治器一起發出。如果醫生在收到矯治保持前已經拔牙，與對應的服務商聯系，會提前安排單獨郵寄矯治保持，以防患者牙齒發生漂移。矯治保持佩戴時間視患者拔牙傷口愈合情況而定，一般情況下是7-14天。

3、多個牙位同時分牙導致牙齒移位

出現這個情況，出現主要是由于多个邻面去釉牙位存在牙齿扭转，只有分牙后才能进行邻面去釉操作。建议让患者在实施邻面去釉后3-4天再來佩戴隱形矯治器，大多均可就位。

From the place where our friends left their horses to the summit the distance is said to be not far from twenty miles, but it is not exactly the equivalent of twenty miles on a level turnpike or a paved street. Frank said it reminded him of a very muddy road somewhere in California, which a traveller described as nine miles long, ten feet wide, and three feet deep; and he thought a fair description of the way up the mountain would include the height and roughness as well as the length. "I have still," said the Clockwork man, locating his feeling by placing a hand sharply against his stomach, "an emptiness here." Flat or plane joints nearly always admit of adjustment between the fitted surfaces; that is, the material scraped or ground away in fitting can be compensated by bringing the pieces nearer together; but parallel cylindrical joints cannot even be tried together until finished, consequently, there can be nothing cut away in trying them together. Tapering, or conical joints, can of course be trial-fitted, and even parallel fits are sometimes made by trial, but it is evident that the only material that can [149] be cut away in such cases, is what makes the difference between a fit too close, and one which will answer in practice. "No, sir, I am returning from there." On that day I saw for the first time in Belgium German sailors and marines, and even an admiral and some officers. At that time the appearance of the naval men gave the newspapers much room for conjectures; it was found later that they were to be used in the attack on Antwerp, and afterwards had the task allotted to them of occupying the sea-board. Not only oratory and literature, but philosophy and science were cultivated with renewed vigour. The line between philosophy and sophisticism was not, indeed, very distinctly drawn. 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