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Video: Overjet ntawm cov hniav ntsuas li cas?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tshaj dav hlau yog ntsuas los ntawm labial nto ntawm qhov tseem ceeb tshaj incisor mus rau labial nto ntawm lub mandibular incisor. Feem ntau, qhov no ntsuas 2-4 hli (0.079-0.157 nyob rau hauv). Yog hais tias qhov qis incisor yog anterior mus rau sab sauv incisors, lub dav hlau yog muab tus nqi tsis zoo.
Ua qhov no hauv kev txiav txim siab, Overjet ntsuas li cas?
Tshaj dav hlau : Hauv cov ntsiab lus kev tshaj lij, nws yog kab rov tav sib tshooj ntawm maxillary central incisors tshaj lub mandibular central incisors. Tus nqi ntawm overbite yog ntsuas siv cov kev sojntsuam vertically. Qhov qub overbite tau txiav txim siab tias yog 2-3 hli, lossis kwv yees li 20-30% ntawm qhov siab ntawm txoj hlab ntaws mandibular.
Qhov thib ob, koj yuav kho cov hniav Overjet li cas? Xaiv rho tawm thiab kho hniav. Ib qho kev xaiv rau kev kho qhov ntau dhau overjet yog tshem tawm cov maxillary thawj premolars thiab tom qab ntawd tshem tawm lub anterior cov hniav txhawm rau ua kom luv maxillary koov. Qhov no muaj txiaj ntsig tshwj xeeb tshaj yog thaum tus neeg mob muaj lub luag haujlwm luv.
Ib sab ntawm qhov no, Overjet ntau npaum li cas thiaj txais tau?
Qhov ntau ntawm dav hlau thiab overbite yog suav tias yog 2-4 mm.
Dab tsi ua rau Overjet hniav?
Muaj ntau yam uas tuaj yeem ua tau ua ib dav hlau , tab sis feem ntau ua yog lub puab tsaig sab qis uas luv luv los yog qis dua piv nrog lub puab tsaig sab sauv, thiab cov cwj pwm me nyuam yaus xws li ntiv tes xoo lossis ntiv tes nqus uas tseem muaj thaum tus neeg laus cov hniav pib los ntawm.
Pom zoo:
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