Cov no yog ua los ntawm: plaub lub puab tsaig, ob tus tsiaj thiab plaub lub puab tsaig hauv txhua lub puab tsaig. Incisors tom cov zaub mov, canines tuav thiab rhuav cov zaub mov sib nrug thiab molars zom zaub mov.
Puas muaj pes tsawg tus canines nyob rau hauv lub puab tsaig?
Cov Neeg Laus muaj nyob rau hauv qab
Pom nyob hauv qab yog rau cov molars, peb sab ntawm peb lub qhov ncauj, ob tus canines, ib sab, thiab plaub incisors nyob rau pem hauv ntej. Ib hom hniav tsuas pom nyob rau hauv qab ntawm peb lub qhov ncauj yog premolar, ib tug hniav nyob nruab nrab ntawm cov cuspid thiab molar.
Yuav muaj pes tsawg khub ntawm cov hniav hauv koj lub qhov ncauj?
Muaj plaub tus hniav: ob nyob rau sab sauv (maxillary) thiab ob sab hauv qab (mandibular) arch. Ib tug canine yog muab tso rau tom qab rau txhua sab incisor thiab mesial rau premolars.
Tus neeg laus muaj pes tsawg tus canines hauv lub qhov ncauj?
Ntawm cov 32 cov hniav no yog 8 tus hniav, 4 canines, 8 premolars, thiab 12 molars, suav nrog 4 cov hniav ntse. Nws yog ib qho tseem ceeb heev rau cov neeg laus kom tshem lawv cov hniav nyiaj hniav kub vim tias tsis muaj chaw txaus rau lawv kom loj hlob zoo los yog tsis ua rau cov hniav tsis zoo.
Koj yuav tsum muaj pes tsawg tus canines?
Koj plaub hniav pem hauv ntej rau saum thiab hauv qab yog ntse tuav thiab txiav zaub mov. Incisors kuj pab koj paub qhov kev ntxhib los mos thiab hom zaub mov koj noj. 4 canines los yog cuspids. Cov hniav taw qhia saum toj thiab hauv qab yog hu ua canine hniav, los yog cuspids.
