Video: Kab noj hniav ntawm tus hniav yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Piav los ntawm kev sib tshuam cementoenamel, ncauj tsev menyuam yog tus ciam teb nruab nrab ntawm cov hauv paus hniav thiab crown ntawm a hniav . Nyob rau ntawm qhov chaw mesial thiab distal, tus ncauj tsev menyuam nkhaus incisally, uas tseem pom hauv qhov ruaj khov maxillary central incisor. Lub hauv paus ntawm qhov no hniav yog cone-puab nrog apex sib npaug.
Yooj yim li ntawd, cov kab mob dab tsi txuas nrog cov hniav?
Incisors thiab canine cov hniav yog nyob rau meridians uas txuas rau lub raum, daim siab, thiab lub zais zis. Cov meridians los ntawm bicuspids thiab molars yog mus rau txoj hnyuv loj thiab plab.
Qhov thib ob, vim li cas Mamelons nyob hauv cov hniav tas mus li? Mamelons tsos tuaj yeem ua kom zoo los ntawm kws kho hniav yog tias lawv tsis tau hnav ib txwm los ntawm tom thiab noj zaub mov. Mamelons muaj nyob nyob rau mus tas li hauv nruab nrab thiab sab nraub qaum. Mamelons yog ib txwm tsis muaj qhov tseem ceeb kho mob. Feem ntau lawv tau hnav thaum ntxov hauv lub neej ntawm hniav.
Yog li ntawd, dab tsi yog cov hniav buccal?
Lo lus buccal txhais tau tias qee yam txawm hais tias: nws yog lub ntsej muag ntawm hniav uas yog ntxeev sab plhu. Cia peb piav qhia: Txhua tus hniav muaj tsib qhov chaw. Distal - qhov no kuj yog ib sab sab ntawm lub hniav , sab uas nyob ze rau tom qab ntawm lub qhov ncauj. Lingual - lub puab nto ntawm tus hniav uas ntsib tus nplaig.
Ntev npaum li cas tus hniav?
Kwv yees li 20 feeb yuav tsum tau ib hauv paus . Txhua tus hniav muaj tus lej sib txawv hauv paus . Qee tus hniav muaj ntau dua plaub lossis tsib tus hauv paus . Qee yam bicuspids muaj peb.
Pom zoo:
Dab tsi cais lub hauv siab kab noj hniav los ntawm kab noj hniav?
Nerve: Phrenic thiab qis qis qab haus huv
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw
Dab tsi yog qhov txawv ntawm kab noj hniav hauv plab thiab kab noj hniav peritoneal?
Lub plab kab noj hniav yog lined nrog ib tug tiv thaiv membrane hu ua peritoneum. Cov viscera kuj tau npog los ntawm lub cev peritoneum. Nruab nrab ntawm lub visceral thiab parietal peritoneum yog cov kab noj hniav peritoneal, uas yog qhov chaw muaj peev xwm. Nws muaj cov kua dej uas tso cai rau txav mus los
Tus kws kho hniav muab dab tsi rau menyuam cov hniav kom tiv thaiv kab noj hniav?
Sealants yog ib txheej nyias pleev xim rau ntawm cov hniav ntawm cov hniav - feem ntau cov hniav tom qab (cov premolars thiab molars) - los tiv thaiv cov hniav lwj. Thepainted rau cov kua sealant sai sai rau hauv cov kev nyuaj siab thiab grooves ntawm cov hniav, tsim ib tug tiv thaiv thaiv tshaj theenamel ntawm txhua tus hniav
Dab tsi yog qhov txwv me me ntawm kab noj hniav ntawm phab ntsa masonry?
Daim ntawv tam sim no ntawm Masonry Standard Joint Committee (MSJC) Lub Tsev Code Yuav Tsum Tau Ua Rau Masonry Structures txwv qhov siab tshaj plaws ntawm kab noj hniav mus rau 4 1/2 ntiv tes. Ob qhov xwm txheej thaum kawg yuav txiav txim siab qhov pleev ntawm kab noj hniav-qhov loj ntawm airspace (qhov chaw tso dej) thiab xav tau R-tus nqi ntawm phab ntsa