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兒童口腔不良習慣危害大,矯正需及時

Posted By vickong pun     July 5, 2021    

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口腔不良習慣系指喺一定間隔時間內有意識或無意識地反復做一相同嘅動作,並持續下去,造成口腔頜面部嘅錯頜畸形。兒童口腔不良習慣常見嘅有:吮指、咬時、吐脷、口呼吸等,對於呢D習慣應盡早戒除,否則會造成上頜前突、牙弓狹窄、牙列擠迫等口頜畸形。  (1)吮指習慣:長期吮指嘅兒童,手指有胼胝及彎曲現象,佢可引起前牙開頜,上前牙前突,開唇露齒並伴有牙弓狹窄。  (2)脷習慣:兒童有吐脷或舔脷習慣,可引起前牙開頜及下頜前突畸形,甚至形成反頜。如果脷同時舔上下前牙,則形成雙牙弓前突。  (3) 咬唇習慣:常由兒童情緒唔好時出現咬唇動作,日久形成習慣咬下唇或上唇習慣,可引起上前牙前突同下頜後縮等症狀。咬上唇可造成前牙反頜,下頜前突等錯頜。咬下唇容易造成前牙深覆蓋畸形。  (4)偏側咀噍習慣:多發生喺乳牙後期,可導致面部左右兩側發育唔對稱。唔常咀噍嘅一側,牙頜發育較差且缺乏自潔作用,使牙垢、牙石堆積,易發生齲齒同牙周病。
口腔不良習慣  (5)咬物習慣:多見於咬鉛筆和啃指甲,常形成局部小開頜。  (6)唔良瞓覺習慣:瞓覺時,常用手、肘或拳頭枕喺臉下,可妨礙牙、頜、面嘅正常發育,引起面部發育唔對稱。  深圳維港歡樂口腔醫院專家溫馨提示:由口腔唔良習慣引起嘅錯頜,約占各類錯頜畸形病因嘅1/4,嚴重影響兒童嘅口腔及頜面部嘅正常發育,因此應及早發現,及早發現。

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