Qhov Tseem Ceeb Qhov txawv - Maxillary vs Mandibular Canine
Canines ua lub luag haujlwm tseem ceeb hauv kev kho hniav thiab lub cev. Lawv raug suav hais tias yog hom hniav uas muaj zog tshaj plaws siv hauv ripping thiab tearing zaub mov. Lawv pab cov incisors hauv cov txheej txheem mastication. Muaj 4 tus canines uas nyob rau hauv plaub fab ntawm lub qhov ncauj. Yog li ntawd, lawv raug hu ua 'pob pob zeb ntawm cov hniav arches.' Canines tuaj yeem faib ua maxillary canines thiab mandibular canines. Maxillary canines muaj ob hom; sab xis thiab sab laug. Lawv txuas nrog cov pob txha maxilla thiab nyob rau hauv lub puab tsaig sab sauv. Lawv tawg thaum muaj hnub nyoog 10-12 xyoos. Mandibular canines yog ob hom; sab xis thiab sab laug. Lawv txuas nrog lub mandible uas yog lub puab tsaig qis. Lawv tshwm sim thaum muaj hnub nyoog 9-10 xyoo. Qhov sib txawv tseem ceeb ntawm maxillary thiab mandibular canines yog qhov chaw ntawm cov hniav. Cov maxillary canines yog txuas rau lub puab tsaig sab sauv whereas lub mandibular canines yog txuas rau lub puab tsaig sab.
Maxillary Canine yog dab tsi?
Maxillary canines yog ob tus lej thiab nyob rau hauv txuas nrog lub puab tsaig sab sauv. Lawv qhia tom qab kev loj hlob nyob rau hauv kev sib piv nrog cov mandibular canines. Cov maxillary canines mus tas li tshwm sim thaum muaj hnub nyoog 9-10 xyoo. Lub crown ntawm maxillary canine loj thiab muaj cov cag ntev tshaj plaws nrog cov npoo tuab.
Daim duab 01: Maxillary Canine
Lub cev nqaij daim tawv ntawm maxillary canine tuaj yeem piav qhia ntau yam; labial nam, lingual nam, mesial nam, distal nam thiab incisal nam.
Labial Aspect
Lub mesial ib nrab zoo li ib feem ntawm lub lateral incisor whereas lub distal ib nrab zoo li ib feem ntawm lub premolar. Lub crown thiab lub hauv paus zoo li yuav nqaim. Qhov curvature ntawm cov hniav sib txawv. Mesially, nws yog convex whereas distally, nws yog concave nyob rau hauv lub labial nam. Cov hniav ntawm tus hniav zoo nkaus li du.
Lingual Aspect
Nyob rau hauv lub lingual nam ntawm maxillary canine, lub crown thiab lub hauv paus yog nqaim. Lub lingual nto yog du.
Mesial Aspect
Mesial nam ntawm maxillary canine siv ib lub voj voos. Cov canines tshwm raws li txoj kab ncaj nraim los ntawm mesial nam, thiab saum npoo qhia tau hais tias convex curvature.
Distal Aspect
Zoo ib yam li mesial nam, txawm hais tias txoj kab nkhaus qhia pom qhov curvature tsawg dua piv nrog mesial nam.
Incisal Aspect
Tus maxillary canine qhia symmetry thaum saib los ntawm incisal nam.
Dab tsi yog Mandibular Canine?
Mandibular canines yog cov canines nyob rau hauv lub puab tsaig qis los yog txuas nrog lub mandible. Lawv tawg ua ntej, thiab cov kab mob mandibular mus tas li tshwm sim hauv hnub nyoog 9-10 xyoo. Muaj ob lub ntsiab ntawm mandibular canines; sab xis mandibular canine thiab sab laug mandibular canine.
Daim duab 02: Mandibular Canines
Zoo ib yam li cov maxillary canines, mandibular canines kuj tuaj yeem ua tus cwj pwm raws li qhov sib txawv.
Labial Aspect
Lingual nto ntawm mandibular canine yog du, thiab lub kaus mom zoo nkaus li ntev dua li maxillary canine. Cov txheej txheem ntawm lub crown yog ncaj nrog lub hauv paus. Lub hauv paus mandibular canine luv luv, thiab cov cag curvatures feem ntau tsis tshua muaj.
Lingual Aspect
Lub lingual nto ntawm canine yog tiaj tus, thiab lub cingulum yog du. Lub lingual ib feem ntawm mandibular canine cag yog nqaim.
Mesial Aspect
Lub mesial nam ntawm mandibular canine yog tus yam ntxwv los ntawm qhov tsawg curvature ntawm lub crown. Lub hauv paus ntawm mandibular canine zoo ib yam li cov maxillary canine.
Distal Aspect
Zoo ib yam li cov maxillary canine thiab tsis qhia ntau qhov sib txawv ntawm qhov mesial nam thiab qhov distal nam.
Incisal Aspect
Cusp lub tswv yim thiab ridges yog ntau inclined mus rau ib tug lingual direction.
Dab tsi yog qhov zoo sib xws ntawm Maxillary thiab Mandibular Canine
- Ob leeg muaj txoj cai thiab sab laug.
- Ob leeg ua tib yam nkaus ntawm kev rhuav tshem cov zaub mov thaum lub sijhawm ua mastication.
- Ob leeg nyob ntawm lub ces kaum ntawm lub puab tsaig yog li hu ua 'pob zeb'
- Ob leeg muab tso rau ib sab ntawm lub lateral incisors.
- Ob leeg yog tus cwj pwm los ntawm kev saib sib txawv - labial, lingual, mesial, distal thiab incisal.
- Ob leeg muaj qhov zoo sib xws mesial.
Qhov txawv ntawm Maxillary thiab Mandibular Canine yog dab tsi?
Maxillary Canine vs Mandibular Canine |
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| Maxillary canines yog canines txuas rau cov pob txha maxilla thiab txuas rau lub puab tsaig sab sauv. | Mandibular canines yog canines txuas rau ntawm lub mandible thiab txuas rau lub puab tsaig sab sauv. |
| 10-11 xyoo hauv Maxillary canines. | 9-10 xyoo hauv Mandibular canines. |
| Loj cov kaus mom hauv maxillary canines. | Lub kaus mom me me hauv lub mandibular canine piv nrog maxillary canine. |
| Root | |
| Long cag muaj nyob hauv maxillary canine. | Cov cag luv dua piv nrog cov maxillary canine hauv mandibular canine. |
Summary – Maxillary vs Mandibular Canine
Kev kho hniav kho hniav yog qhov chaw nthuav dav thiab kawm dav vim cov ntaub ntawv sau los ntawm kev kho hniav lub cev yog qhov tseem ceeb hauv kev kho hniav thiab tsim cov khoom siv kho hniav xws li hniav hniav, palettes. Cov maxillary thiab mandibular canines yog ob hom ntawm cov hniav nyob rau hauv lub puab tsaig sab sauv thiab sab puab tsaig. Lawv txawv me ntsis ntawm lawv cov qauv thiab saib. Ua ke tag nrho plaub lub canines ua haujlwm los pab cov txheej txheem ntawm mastication los ntawm tearing cov zaub mov los tsim cov zaub mov bolus. Qhov no tuaj yeem piav qhia qhov txawv ntawm Maxillary thiab Mandibular Canine.
Download the PDF Version of Maxillary vs Mandibular Canine
Koj tuaj yeem rub tawm PDF version ntawm kab lus no thiab siv nws rau offline hom phiaj raws li daim ntawv ceeb toom. Thov download PDF version ntawm no Qhov txawv Ntawm Maxillary thiab Mandibular Canine
