Cov txheej txheem:
Video: Cov hniav twg feem ntau muaj mesial thiab distal hauv paus?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub mandibular premolars thiab maxillary thib ob premolars yog ib leeg-rooted hniav uas tej zaum yuav muaj sib sib zog nqus linear concatities ntawm mesial thiab distal nto. Lub hauv paus ntawm tus hniav no yuav yog bifurcated thiab muaj ib tug sib sib zog nqus linear mesial concavity.
Yog li, cov hniav twg muaj 3 cov hauv paus hniav?
Canines thiab feem ntau premolars, tshwj tsis yog rau maxillary thawj premolars, feem ntau muaj ib lub hauv paus. Maxillary thawj premolars thiab mandibular hniav feem ntau muaj ob lub hauv paus. Maxillary hniav feem ntau muaj peb lub hauv paus. Cov hniav tau txhawb nqa hauv pob txha los ntawm cov khoom siv txuas, hu ua periodontium, uas cuam tshuam nrog lub hauv paus.
cov hniav twg yog anterior? Hauv kev kho hniav, lo lus anterior cov hniav feem ntau yog hais txog ib pawg rau cov cov hniav thiab canine cov hniav raws li qhov txawv ntawm cov pos hniav tom qab , uas yog cov premolars thiab molars . Qhov txawv yog ib qho ntawm anterior (pem hauv ntej ntawm lub cev) piv rau posterior (rov qab ntawm lub cev).
Dhau li, pes tsawg tus hauv paus hniav muaj?
Tus naj npawb ntawm hauv paus rau txhua hom hniav nws txawv. Feem ntau incisors, canines thiab premolars yuav muaj ib hauv paus hos molars yuav muaj ob los yog peb.
Dab tsi yog 5 tus hniav nto?
Txhua tus hniav muaj tsib qhov chaw ntawm nws:
- Occlusal / incisal nto - qhov chaw tom.
- Mesial nto - nto rau nruab nrab ntawm lub qhov ncauj.
- Distal nto - nto nyob deb ntawm nruab nrab ntawm lub qhov ncauj.
- Buccal / vestibular / lub ntsej muag nto - nto sab nraud (pob ntseg) ntawm lub qhov ncauj.
Pom zoo:
Dab tsi ua rau cov pos hniav tom qab cov hauv paus hniav?
Lawv tshwm li o o ntawm cov pos hniav. Lub hauv paus tseem ceeb ntawm cov pos hniav yog cov kab mob - feem ntau yog los ntawm cov quav hniav, cov zaub mov me me, lossis cov hniav lwj - uas ua rau kis mob hauv qab ntawm cov pos hniav. Tsis tshua muaj, cov pos hniav yog cov tsos mob ntawm mob qog noj ntshav hauv qhov ncauj. hauv paus ntawm tus hniav: periapical abscess
Qhov txawv ntawm cov hauv paus plaub hau thiab cov hauv paus plaub hau yog dab tsi?
Qhov sib txawv ntawm cov hauv paus plaub hau thiab hauv paus plaub hau yog dab tsi? Lub hauv paus yog lub teeb ntawm qhov kawg ntawm txhua txoj hlua ntawm cov plaub hau. Lub hauv paus yog qhov qhib hauv tawv taub hau uas tsim cov plaub hau-hauv paus ntawm cov plaub hau txuas rau hauv lub hauv paus
Yam twg ntawm cov hauv qab no feem ntau yog kab mob ntawm cov tsiaj muaj tsiaj?
Anthrax Ib yam li ntawd, koj tuaj yeem nug, yam twg ntawm cov hauv qab no tau txheeb pom tias yog tus pab txhawb rau mob plawv? Ntshav siab, haus luam yeeb, thiab ntshav siab tseem yog qhov tseem ceeb tus pab mus rau lub teb chaws kev kis mob ntawm kab mob plawv .
Yam twg ntawm cov hauv qab no yog daim ntawv feem ntau ntawm cov leeg nqaij hauv cov neeg laus?
Myotonic (tseem hu ua MMD lossis Steinert's disease). Feem ntau ntawm cov leeg nqaij dystrophy hauv cov neeg laus, myotonic musculoskeletal dystrophy cuam tshuam rau txiv neej thiab poj niam, thiab nws feem ntau tshwm sim txhua lub sijhawm txij thaum menyuam yaus txog rau neeg laus
Lawv tso dab tsi rau hauv koj cov hniav tom qab cov hauv paus hniav?
Tus kws kho mob endodontist sau cov kwj dej hauv paus nrog cov khoom siv roj hmab zoo li hu ua gutta-percha thiab tom qab ntawd muab cov nplaum nplaum rau saum cov gutta-percha kom muab khi rau hauv cov hniav. Tus kws kho hniav tom hniav yuav tso ib ntus rau saum cov hniav kom tiv thaiv sab hauv ntawm tus hniav thaum nws zoo