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活動義齒是不是必須有卡環？

Posted By vickong pun     July 7, 2021    

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活動義齒是不是必須有卡環？

　　

活動義齒是不是必須有卡環？

　　活動義齒是不是必須有卡環？義齒的卡環爲活動義齒的主要固位體’它是利用金屬卡環臂 的彈性，進入基牙的倒凹區起到固位的作用。
此外，卡環的卡臂 肩、對抗臂、鄰面板與合支托還能分別起到穩定和支持的作用。臨 床上.除了在某些活動義齒，如隱形義齒的情況下不需要使用卡環 外,一般活動義齒是需要使用卡環的.

     ★ 護牙知多d      

《轉換思維，讓孩子不再吮手指》

　　

《小孩子牙齒上黑黑的東西是什麼鬼？》

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