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牙醫為什麼沒事兒喜歡拍個片兒?

Jonh 於 2022-03-02 19:20:19 發表  |  累積瀏覽 68

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牙醫為什麼沒事兒喜歡拍個片兒?

牙醫為什麼沒事兒喜歡拍個片兒?

                                         
            
                
                    
                        

                            去看牙醫的時候我們有時大概可能會遇到這樣的場景,如有雷同,純屬巧合。

                        

                             

                    
                
            
            
                
                    
                        
                            
                                
                                    
                            
                        
                    
                    
                        
                            
                                
                                    

                                        場 景 一 -------------------------------------

                                
                            
                        
                    
                
            
            
                
                    
                        

                            “拍個牙片吧,這樣才能明確診斷。”

                        

                            “你不是醫生嗎?只是個小蛀牙而已,嘴張這麼大還看不出來啊?”

                        

                            “......”

                    
                
            
            
                

                     

                
                    
                         
                
            
            
                
                    
                        
                            
                                
                                    
                            
                        
                    
                    
                        
                            
                                
                                    

                                        場 景 二 -------------------------------------

                                
                            
                        
                    
                
            
            
                
                    
                        

                            “醫生,我牙又白又齊,就是一喝涼水就難受。給我開點止疼葯吧。”

                        

                            “拍個牙片吧,這樣才能明確診斷。”

                        

                            “不了吧,你就直接先給我開藥吧,弄錯了算我的!”

                        

                            “......”

                    
                
            
            
                
                    
                         
                
                
                    
                         
                
            
            
                
                    
                        
                            
                                
                                    
                            
                        
                    
                    
                        
                            
                                
                                    

                                        場 景 三 -------------------------------------

                                
                            
                        
                    
                
            
            
                
                    
                        

                            “醫生,我長智齒了,是不是得拔牙啊?”

                        

                            “拍個牙片吧,這樣才能準確診斷。”

                        

                            “啊?牙片?那是什麼鬼?拍這個有輻射嗎?為啥要拍片?”

                        

                            “......”

                    
                
            
            
                
                    
                         
                
            
            
                
                    
                        

                             

                        

                            只是喝涼水不舒服,去看個牙也會被拉去拍牙片?牙醫不會是小題大作吧?要弄清這個疑問,我們首先得知道——

                    
                
            
            
                
                    
                        

                            

                    
                
            
            
                
                    
                        
                            
                                
                                     
                            
                        
                        
                            

                                牙片的種類

                        
                        
                            
                                 
                            
                                 
                        
                    
                
            
            
                
                    
                        

                             

                        

                            原則上,若要仔細看少數幾顆牙齒,就拍根尖片(小牙片),看全口的牙齒,則考慮拍口腔全景片(曲面斷層片)。

                        

                             

                    
                
            
            
                
                    
                        

                            小牙片?檢查單顆牙齒為目的

                        

                             

                        

                            小牙片比較小,相當於兩個手指那麼寬,上面大概會显示2-3顆牙齒,醫生需要觀察單顆牙齒細節問題的時候會拍這種片子。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            曲面片?檢查全口牙齒為目的

                        

                             

                        

                            這種片子可以看出所有牙齒的形態、位置,包括頜骨內的情況,比如能看出寶寶當前乳牙的狀況。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                            ▲口腔全景片

                        

                             

                        

                            下頜智齒,牙根有時會比較深,有可能會鄰近下牙槽神經,為了更好的評估手術風險、選擇手術入路,此時需要拍曲面斷層片。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                            ▲口腔全景片

                        

                             

                    
                
            
            
                
                    
                        

                             

                        

                            牙科CT?這是檢查頜骨以及牙齒的三維立體影像片,可以從多角度看出頜骨牙齒的內部結構,還有各個組織之間的關係,很真實清楚。

                        

                             

                        

                            以下這些情況都最好拍牙科CT:

                        

                            1、在做植牙手術或深埋伏的智齒拔除手術前,也會運用到口腔CT作手術前的評估。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                            ▲牙科CT

                        

                             

                        

                            2、進行正頜手術、頜面部外傷手術,頜骨腫瘤手術等等時,通過口腔CT可以得到更多準確的信息。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                            ▲牙科CT

                        

                             

                    
                
            
            
                
                    
                        
                            
                                
                                     
                            
                        
                        
                            

                                牙片的用途和意義

                        
                        
                            
                                 
                            
                                 
                        
                    
                
            
            
                
                    
                        

                             

                        

                            牙齒由牙冠和牙根兩部分組成,牙冠又分為牙釉質、牙本質、牙髓,除了外層的牙釉質,牙齒裏面出了問題,肉眼是無法觀察到的。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            因此,為了對牙齒進行全面的了解,需要拍牙片來觀察。

                        

                             

                        

                             

                        

                            牙齒硬組織病變:牙頸部牙根部齲齒、鄰面齲、確定齲壞的程度和齲壞的範圍;齲壞深度與牙髓角或牙髓腔的關係;了解髓腔的變化情況和根尖周情況。鄰面齲壞,根尖片的典型表現▼

                        

                            

                        

                             

                        

                            根尖囊腫:判斷根尖炎、囊腫的大小、範圍等,確定根管治療的長度,術后牙片評價根管治療成功與否▼

                        

                             

                        

                            

                        

                             

                        

                            牙周炎症:显示牙槽骨吸收範圍和破壞程度▼

                        

                             

                        

                            

                        

                             

                        

                            牙床下方隱藏着未知的神奇世界,有些牙齒長不出來,原因超乎你的想象!畢竟一千顆智齒,有一千種銷魂的姿勢▼

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            你說,醫生得多麼神通廣大,才能“猜”到這顆牙生存得這麼賣力啊。誰都沒有透視眼,只有通過牙片,我們才能看到它們究竟是以怎樣的姿勢存在並折磨着你。

                        

                             

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            為了解患牙的牙根的形態、走向、長度及根尖周有無病變及病變大小,或者懷疑有肉眼無法確認的其它牙科問題,都會建議拍片,從而制定合適的治療計劃。

                    
                
            
            
                
                    
                        

                             

                        

                            牙片不光能提高醫生診斷的準確性和成功率,讓診斷有依據,讓結果更嚴謹。它還是早發現早治療口腔問題的關鍵,能幫病人節省開支、減輕不適。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                            拍牙片可以:

                        

                            找出你牙齒齲壞的地方

                        

                            檢查補牙材料下是否有齲壞

                        

                            檢查骨質疏鬆(牙齦疾病)

                        

                            看炎症的位置與大小(根尖炎,囊腫)

                        

                            治療前的檢查和準備(矯正,根管治療、牙痛,種植,拔牙等)

                        

                             

                        

                            現在終於清楚了拍牙片的必要性了。看牙拍片也說明醫生對患者認真負責的態度啊,不會沒有根據的診治!遇到嚴謹的要求你拍牙片的醫生,幸運的你該感到高興才對啊。

                        

                             

                        

                            可是問題又來了,牙片是通過X光拍攝的,那看一次牙得吃多少輻射啊?擔心!

                        

                             

                    
                
            
            
                
                    
                        
                            
                                
                                     
                            
                        
                        
                            

                                牙片輻射大么?

                        
                        
                            
                                 
                            
                                 
                        
                    
                
            
            
                
                    
                        

                             

                        

                            輻射的單位是西弗,1西弗等於1000毫西弗,1毫西弗等於1000微西弗。所謂的輻射劑量,跟輻射的強度及暴露時間,都有關係。

                        

                             

                        

                            人體接觸X線對身體有一定潛在的危害,依照目前國際放射防護委員會的推薦,一般民眾輻射限值為每人每年不得超過5毫西弗(mSv)=5000微西弗 (μSv)。

                    
                
            
            
                
                    
                        
                            
                                 
                            
                                 
                        
                        
                            
                                 
                        
                        
                            
                                 
                            
                                 
                        
                    
                    
                        
                            
                                
                                    

                                                        根尖片:約5微西弗

                                    

                                                         咬合片:約5到7微西弗

                                    

                                                         曲面斷層片:約15到25微西弗

                                
                            
                        
                    
                    
                        
                            
                                 
                            
                                 
                        
                        
                            
                                 
                        
                        
                            
                                 
                            
                                 
                        
                    
                
            
            
                
                    
                        

                             

                        

                            好(ting)專(bu)業(dong)!其實,生活中輻射無處不在,實在無需談輻射色變,畢竟撇開劑量談毒性的都是耍流氓!

                        

                             

                        

                            生活在自然界中的我們,每時每刻都處在輻射之中。即使你與別人一起睡覺,也要受到來自他人身體的輻射,大約0.05微西弗。即便你喜歡獨處 ,那麼你體內鉀元素的年輻射劑量大約390微西弗。

                        

                             

                    
                
            
            
                
                    
                         
                
            
            
                
                    
                        

                             

                        

                            況且現在的x線片全部是数字化影像片,相對於身體的輻射劑量是相當低的,平常拍牙片的輻射劑量遠遠小於我們平時受到的生活輻射。

                        

                             

                        

                            所以,拍牙片的輻射量較小,大家不用過分擔心。

                        

                             

                        

                            那有人就要問了

                    
                
            
            
                
                    
                        
                            
                                
                                     
                            
                        
                        
                            

                                孕婦兒童可以拍牙片嗎?

                        
                        
                            
                                 
                            
                                 
                        
                    
                
            
            
                
                    
                        

                             

                        

                            在某些口腔疾病治療的緊急狀況下,孕婦可能不得不在寶寶出生前拍牙片,因為未經治療的牙科感染會給胎兒構成潛在威脅。

                        

                             

                        

                            一般不主張孕婦在懷孕初期(前三月)拍牙片,畢竟胎兒比正常人更加嬌嫩敏感。

                        

                             

                        

                            孕期三個月過後,如果孕婦必須接受X光拍攝,我們仍然應小心謹慎,做好防輻射的措施。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            在進行拍片過程中,可以穿防護服(鉛衣)以防放射線危害孕婦及胎兒。

                        

                             

                        

                            只要不是直接對準腹部或其附近部位的高劑量輻射,對胎兒的影響幾乎微不足道,准媽媽們可以不必過於擔心哦。

                        

                             

                        

                            另外,兒童在拍牙片時都會採用低劑量、以最優化的劑量達到臨床要求,同時會進行必要的防護,大人們也可以不必再糾結於孩子的輻射傷害。

                    
                
            
            
                
                    
                        
                
            
            
                
                    
                        

                             

                        

                            總之,牙片對於口腔疾病的診斷尤為重要,只要有必要,大家不要排斥拍片診斷哦!

                        

                             

                        

                             

                        
                            
                                
                                     
                                
                                    

                                         

                                
                            
                        
                    
                
            
        


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