Blunderbuss hom: Phab ntsa ntawm kwj dej yog divergent, flaring, tshwj xeeb tshaj yog nyob rau hauv buccolingual direction. Feem ntau, apex yog funnel zoo li tus, wider tshaj lub coronal nam. "Blunderbuss" yog hu ua riam phom xyoo pua 18th uas muaj lub thoob luv thiab dav.
Dab tsi ua rau qhib apex?
Dab tsi yog qhov ua rau qhib apices? Kev txhim kho hauv paus tsis tiav feem ntau tshwm sim theem nrab rau pulpal necrosis tshwm sim los ntawm caries lossis kev raug mob . Ob leeg foraminal thiab peri-foraminal resorption ntawm lub hauv paus kawg kuj yuav tshwm sim nyob rau hauv lub xub ntiag ntawm ib tug periapical lesion4.
Tus kwj dej quaj yog dab tsi?
Nyob kwj dej yog ib tug kwj dej uas tas li ntshiab los yog reddish exudation tshwm sim. Qhov no exudate yog txuam nrog ib tug loj apical radiolucency. Cov hniav yog ib qho nyuaj kho raws li thaum qhib, exudate nres tab sis nws rov tshwm sim nyob rau hauv lub sij hawm tom ntej.
Dab tsi yog qhov zoo tshaj plaws rau kev kho hauv paus kwj dej?
Gutta-percha yog cov khoom siv los sau cov hniav tom qab txheej txheem kwj dej. Gutta-percha, ib yam khoom yas los ntawm tsob ntoo Malaysian hu ua tsob ntoo percha, yog siv los ua ib qho chaw ruaj khov hauv cov kwj dej.
Apexogenesis thiab Apexification yog dab tsi?
Apexification yog ib txoj hauv kev ua kom muaj kev cuam tshuam calcified ntawm lub apex ntawm cov hniav uas tsis muaj sia nrog cov hauv paus tsis tiav. Apexogenesis yog hais txog cov txheej txheem tseem ceeb ntawm cov nqaij mos uas tau ua los txhawb lub cev nqaij daim tawvkev loj hlob thiab tsim ntawm lub hauv paus kawg.