Cov txheej txheem:
![Koj yuav ua li cas muab cov pos hniav zoo tshaj alveolar hlab ntsha thaiv? Koj yuav ua li cas muab cov pos hniav zoo tshaj alveolar hlab ntsha thaiv?](https://i.answers-medical.com/preview/medical-health/13986801-how-do-you-give-the-posterior-superior-alveolar-nerve-block-j.webp)
Video: Koj yuav ua li cas muab cov pos hniav zoo tshaj alveolar hlab ntsha thaiv?
![Video: Koj yuav ua li cas muab cov pos hniav zoo tshaj alveolar hlab ntsha thaiv? Video: Koj yuav ua li cas muab cov pos hniav zoo tshaj alveolar hlab ntsha thaiv?](https://i.ytimg.com/vi/5sRNxEnNZj4/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov txheej txheem:
- Ib rab koob luv 25 lossis 27 ntsuas yog qhov siv tau.
- Qhov chaw ntawm qhov ntxig yog qhov siab ntawm mucobuccal quav saum toj no thiab distal rau distobuccal hauv paus ntawm cov molar kawg tam sim no nyob rau hauv koov.
- Tshem sab plhu kom cov ntaub so ntswg ntawm lub mucobuccal quav yog taut.
- Siv tshuaj loog tshuaj loog.
- Orient lub koob bevel mus rau cov pob txha.
Cov lus nug tseem yog, koj yuav siv posterior superior nerve block li cas?
Txoj Kev: Ntxig lub koob rau hauv kev sib tshuam thiab coj nws mus rau lub posterolateral maxillary tuberosity (nce, rov qab, thiab sab hauv) raws curvature los yog maxilla thiab mus rau qhov tob ntawm kwv yees li 2-2.5 cm. Yog tias rab koob tiv thaiv cov pob txha, thim rov qab thiab rov ua dua tom qab.
Qhov thib ob, koj yuav ua li cas thiaj tswj tau qhov anterior superior alveolar hlab ntsha thaiv? Txoj hauv kev: Thaum thim daim di ncauj, ntxig rab koob rau hauv kev sib tshuam ntawm cov mucobuccal quav thiab lub apex / nruab nrab ntawm cov canine ntawm 45-degree kaum sab xis, nce lub koob kwv yees li 1-1.5 cm. Aspirate. Maj mam txhaj 2 mL ntawm cov tshuaj loog hauv zos thiab zaws rau 10-20 vib nas this.
Ib sab saum toj no, dab tsi tom qab zoo dua alveolar cov hlab ntsha muab?
Cov posterior superior alveolar paj hlwb innervates thib ob thiab thib peb maxillary molars, thiab ob ntawm peb cov hauv paus hniav ntawm maxillary thawj molar (tag nrho tab sis lub hauv paus mesiobuccal).
Yuav ua li cas muab cov hlab ntsha maxillary thaiv?
Cov 3 txheej txheem hauv qab no tuaj yeem siv los ua ib qho maxillary paj block : Kev ua tuberosity siab. Greater palatine kwj dej mus kom ze. Coronoid txoj kev.
Coronoid txoj kev
- Pulpal cheeb tsam ntawm tag nrho cov hniav.
- Buccal periosteum thiab pob txha.
- Cov nqaij mos thiab cov pob txha ntawm palate.
- Cov tawv nqaij ntawm qhov muag qis, sab ntawm lub qhov ntswg, sab plhu, thiab daim di ncauj sab saud.
Pom zoo:
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Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
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Cov leeg yuav tsum tau li qub kom cov ntshav ntws mus rau lub plawv. Theses li qub yog qhov tshwj xeeb hauv ob txhais ceg thiab caj npab. Lawv tawm tsam lub ntiajteb txawj nqus los tiv thaiv cov ntshav rov qab los. Cov hlab ntsha tsis xav tau li qub vim tias lub siab los ntawm lub plawv ua kom cov ntshav ntws los ntawm lawv mus rau ib qho
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Cov hlab ntshav yog cov hlab ntshav ua lub luag haujlwm nqa cov pa oxygen ntau ntawm lub plawv mus rau lub cev.Cov leeg ntshav yog cov hlab ntshav uas nqa cov ntshav qis inoxygen los ntawm lub cev rov mus rau lub plawv forreoxygenation