Zoo: Cov gubernacular qaum thiab kwj dej yog cov qauv anatomical nyob nyob rau hauv cov pob txha alveolar crest ntawm maxilla los yog mandible, Cov lus tseem ceeb: hniav eruption; kev kho hniav tseem ceeb; kev kho hniav mus tas li. qab cov hniav deciduous.
Dental follicle form yog dab tsi?
Periodontal Tissue Engineering
Dental follicle cells (DFCs) daim ntawv the PDL los ntawm kev sib txawv rau hauv PDL fibroblasts uas zais collagen thiab cuam tshuam nrog fibers ntawm cov pob txha uas nyob ib sab thiab cementum.
Qhov twg yog qhov kev xav tau tshaj plaws ntawm cov hniav tawg?
Tam sim no, qhov kev xav tau lees paub tshaj plaws yog tias kho cov pob txha asymmetric nyob ib puag ncig tus hniav yog lub luag haujlwm rau cov hniav txav mus rau hauv qhov ncauj kab noj hniav. Muaj resorption ntawm coronal sab thiab pob txha tsim ntawm apical (basal) sab ntawm tus hniav (Marks and Schroeder, 1996; Wise and King, 2008).
Dental lamina yog dab tsi?
Kev Kho Mob Txhais ntawm kev kho hniav lamina
: thaj tsam ntawm cov kab mob epithelial ntawm qhov npog ntawm txhua lub puab tsaig embryonic uas loj hlob mus rau hauv cov pos hniav tsim thiab ua rau cov kab mob enamel ntawm lub cev. hniav. - hu ua dental ridge.
Dab tsi yog qhov kev xav ntawm cov hniav eruption?
Theory. Hauv cov ntsiab lus, aetiology tom qab cov txheej txheem eruption yogib qho innervation-provoked siab nyob rau hauv lub apical ib feem ntawm cov hniav tshwm sim nyob rau hauv ib qho eruptionuas yuav tsum tau hloov mus tas li los ntawm covperiodontal daim nyias nyias thiab lub active zog ntawm lub hauv paus follicle, rhuav tshem cov pob txha overlying.