Ntau cov hniav ntau ntau yog tsawg heev rau cov tib neeg uas tsis muaj lwm yam kab mob los yog mob. Cov xwm txheej feem ntau cuam tshuam nrog kev nce ntxiv ntawm cov hniav ntau ntxiv suav nrog cleft di ncauj thiab palate, cleidocranial dysplasia cleidocranial dysplasia Cleidocranial dysostosis yog ib qho cov mob pob txha taub hau yog li lub npe los ntawm cov pob txha (cleido-) thiab cranium deformities. uas cov neeg nrog nws feem ntau muaj. Cov neeg uas muaj tus mob no feem ntau tshwm sim nrog qhov tsis mob o hauv thaj tsam ntawm clavicles thaum muaj hnub nyoog 2-3 xyoos. https://en.wikipedia.org › wiki › Cleidocranial_dysostosis
Cleidocranial dysostosis - Wikipedia
(Fig.1), thiab Gardner syndrome Gardner syndrome Gardner syndrome muaj adenomatous polyps ntawm lub plab zom mov, desmoid qog, osteomas, epidermoid cysts, lipomas, kho hniav abnormalities, thiab periampullary carcinomas. https://en.wikipedia.org › wiki › Gardner's_syndrome
Gardner's syndrome - Wikipedia
Yuav ua li cas rau cov hniav supernumerary?
Qhov ua rau cov hniav ntau ntau tsis paub meej, txawm tias yam uas tuaj yeem ua rau lawv cov tsos muaj xws li cov noob caj noob ces, overactivity ntawm cov hniav lamina (cov cell uas pib txhim kho hniav), kab mob txheej txheem, thiab atavism (qhov rov tshwm sim ntawm qhov zoo tsis tshwm sim vim yog kev hloov pauv).
Yuav ua li cas yog hom hniav ntau tshaj plaws?
Cov conical uasyog tus hniav me me yog cov feem ntau pom muaj nyob hauv cov hniav mus tas li thiab nws feem ntau tshwm sim ntawm maxillary central incisors li mesiodens.
Paramolar yog dab tsi?
Paramolar yog cov molar supernumerary feem ntau me me thiab rudimentary, feem ntau nyob hauv buccally lossis palatally rau ib qho ntawm cov molars maxillary. Paramolar yog ib qho kev loj hlob tsis zoo thiab tau sib cav los ntawm kev sib txuas ntawm caj ces thiab ib puag ncig.
Puas muaj qhov tshwm sim ntawm cov hniav ntau ntxiv?
[14] Supernumerary hniav tau tshaj tawm nyob rau hauv ob qho tib si thawj thiab mus tas li kho hniav; Txawm li cas los xij, qhov tshwm sim ntau dua ntawm qhov tsis txaus ntseeg tau sau tseg hauv kev kho hniav mus tas liYog li, qhov ntau ntawm kev kho hniav mus tas li txawv ntawm 0.5 mus rau 3.8% thaum piv rau qhov muaj feem ntau ntawm 0.3-0.6% hauv kev kho hniav thawj zaug..
