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全口缺失種牙要種幾顆?

Posted By vickong pun     July 5, 2021    

Body

宜家講起牙齒缺失嘅修復方法,第一個想到嘅都系種牙。缺一顆牙種一顆牙,缺兩顆牙種兩顆牙,但系全口缺失種牙要種幾顆?全部一顆顆種嗎?
全口缺失種牙要種幾顆?
種牙系將人工牙根(種植體)植入到牙槽骨,讓其與牙槽骨發生骨結合相融喺一起,然後安裝上牙冠。獨立嘅牙根畀種植牙提供了穩定嘅咀嚼力。

雖然話種牙系邊度缺失就種邊度,但系如果全口缺失每一顆都種,咁就要28顆了!咁,修復費用消耗系非常大嘅,對一般家庭嚟講負擔系很重嘅。

不過,種牙喺臨床上應用已有100多年嘅歷史,喺國內最近20年都迅速發展。對於全口缺失,種牙已經唔使要邊度缺失就邊度種一顆了。

種牙修復多顆缺失可以採用連冠嘅方式,臨床上稱為「種植體固定橋」,和烤瓷牙修復多顆缺失一個道理。但需要根據患者牙槽骨情況和經濟條件做綜合考慮,經過複雜嘅醫學考慮和力學設計,才能確定種植數量。

目前,通常植入4-8顆種植體,就能恢復半口和全口咬合力,而且大大咁減輕咗患者嘅經濟負擔。

以上就系「全口缺失種牙要種幾顆?」嘅具體介紹,希望對大家有所幫助。


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