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換牙期,四不要,你家寶寶可否做到?

Posted By vickong pun     July 8, 2021    

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換牙期,四不要,你家寶寶可否做到?

            

                

                    

                        

                            

                    

                

                

                    

                        


                            


                    

                

            

            

                

                    

                        

                            

                    

                

                

                    

                        


                            ◆ ◆ ◆◆


                    

                

                

                    

                        

                            

                    

                

            

            

                

                    

            

            

                


                    “好萌啊!”每次看到這樣圖片,這樣的動作,這樣寶寶就是一個大寫的萌字。對於小嬰兒來說,吸吮手指是一種可以帶來安全感的自我安撫方式。


                


                    但是如果孩子進入換牙期(6—7周歲左右)依舊沒有戒除吸吮手指的習慣,將會導致明顯的牙齒不齊,如會阻止前牙正常萌出,造成前牙咬合不上。


            

            

                

                    

                        

                            

                                

                                    

                            

                            

                                


                                    吸吮手指怎麼樣導致牙齒不齊?


                            

                            

                                

                                    

                            

                        

                    

                    

                        

                            


                                看視頻,吸吮手指是怎麼樣一步一步的導致寶寶 牙齒不齊的?


                        

                    

                    

                        

                            

                                

                                    

                            

                        

                        

                            

                                
                                

                                    

                            

                        

                        

                            

                        

                

            

            

                

                    

                        

                            

                                

                                    

                            

                            

                                


                                    換牙期寶寶4不要


                                


                                    


                            

                            

                                

                                    

                            

                        

                    

                    

                        

                            


                                1、不要允指


                            


                                吮指可導致明顯牙齒不齊,如吮拇指會制止前牙的正常萌出,造成前牙咬合不上。


                            


                                2、不要舔牙


                            


                                換牙時,如果孩子常用舌頭舔空缺的部位,會使牙齒長得歪斜。


                            


                                3、不要咬唇


                            


                                咬下唇容易出現下前牙擁擠,上前牙傾斜有間隙;咬上唇容易形成“地包天”。


                            


                                4、不要偏側咀嚼


                            


                                長期用一側咀嚼食物,容易導致下頜偏向一側,使左右臉發育不對稱。


                        

                    

                

            

            

                

                    

                        

                            

                                

                                    

                                        

                                

                                

                                    


                                        寶寶的換牙時間


                                

                                

                                    

                                        

                                

                            

                        

                        

                            

                                


                                    正常寶寶換牙時間:6-12歲之間,如果在4歲之前換牙就屬於過早,或是7歲之後才換牙則屬於過遲,這兩種情況都不是正常現象,父母需帶寶寶及早到正規口腔門診進行治療!


                            

                        

                        

                            

                                

                        

                    

                

            

            

                

                    

                        

                            

                                

                                    

                                        

                                

                                

                                    


                                        換牙:從20顆乳牙到28(32顆)恆牙


                                

                                

                                    

                                        

                                

                            

                        

                        

                            

                                


                                    乳牙:


                                


                                    6個月開始萌出第一顆,到2歲半左右全部萌出完畢,上下各10顆,總共20顆,乳牙是人類萌生的第一副牙,兒童咀嚼器官的重要組成部分。從出生到換牙期,小小乳牙要為我們工作10年以上,如果期間沒有保護它,對孩子的健康會有很多不好的影響哦~


                                


                                    恆牙:


                                


                                    6、7歲至12、13歲期間,乳牙逐漸脫落被恆牙所替代,恆牙的數量在28-32顆之間。相比乳牙,恆牙的數量要多出8顆,多則12顆,其中這8顆分別是第一磨牙和第二磨牙,其餘的4顆是第三磨牙即智齒,有的人長或是不全長。


                            

                        

                    

                

            

            

                

                    

                        

                            

                                

                                    

                                        

                                

                                

                                    


                                        乳牙為什麼要換成恆牙?有什麼不同?


                                

                                

                                    

                                        

                                

                            

                        

                        

                            

                                


                                    顏色:


                                


                                    乳牙的牙冠顏色比恆牙白,恆牙略發黃,恆牙比乳牙有光澤,這由於恆牙的牙釉質鈣化度比乳牙牙釉質高,透明度較大,因而透出下方淺黃色牙本質。


                                


                                    牙冠形態:


                                


                                    乳牙的牙冠比同名恆牙要小一些,牙冠的各角鈍圓,牙頸部及合面均明顯窄縮,牙冠的近頸部處特別突出,是區別乳牙和恆牙重要標誌之一。


                                


                                    咬合面磨耗:


                                


                                    乳牙和恆牙替換時期,口腔內有乳牙也有恆牙。恆牙因剛剛長出來,咬合面無磨耗,乳牙因萌出早,且鈣化度低,硬度差,使用時間長,咬合面多有磨耗。


                            

                        

                    

                

            

        

    


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