𝙳𝙴𝙽𝚃𝙰𝙻 𝚂𝚃𝚄𝙳𝚈 𝙽𝙾𝚃𝙴𝚂.𝟻
Kanalga Telegram’da o‘tish
{رَّبِّ زِدْنِي عِلْمًا} 👩🏻🎓🎓💉🦷✨ قناة طب أسنان مرحلة خامسة جامعة بغداد (لطفاً… لمن استفاد بشيء من هذه القناة قرائة سورة الفاتحة على روح والدي🤍)
Ko'proq ko'rsatish2 379
Obunachilar
Ma'lumot yo'q24 soatlar
-87 kun
-2830 kun
Postlar arxiv
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When the pH of plaque falls below _____ , demineralization of susceptible sites on the tooth surface occurs, initiating the caries process.
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The usual surgical report consists of the following except:
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STAINS
🔘1. Periodic acid schiff (PAS) stain =
fungi + parasite
🔘2. Stains for microorganisms = Gm+ و Gm- bacteria, acid-fast mycobacteria, fungi, parasite
🔘3. Argentaffin and argyrophilic stains =
neuroendocrine cells and their tumors, reticulin fibers, melanin, calcium
🔘4. Congo red stain = amyloid
🔘5. Reticulin stain = reticular fibers + basement memrane
🔘6. Trichrome stain = type +amount of extracellular material
🔘7. Phosphotungstic acid-hematoxylin (PTAH) stain
🔘8. Perls stain = hemosiderin
🔘9. Fontana-Masson stain = melanin
🔘10. von Kossa stain = calcium
🔘11. Neutral lipid stains
🔘12. Mucin stains = mucosubstances of neutral, slightly acidic and highly acidic types
IMMUNOHISTOCHEMICAL MARKERS
🟣1. Actin = smooth muscle cells + myofibroblasts
🟣2. Albumin = hepatocellular + hepatoid carcinomas
🟣3. P53 = human tumors (mutation of TP53 tumor-suppressor gene)
🟣4. S-100 protein = peripheral nerve sheath + melanocytic tumors
🟣5. Desmin = smooth muscle + skeletal muscle tumors
🟣6. CD34 = normal and neoplastic endothelial cells, variety of soft tissue neoplasms (e.g. dermatofibrosarcomaprotuberans, solitary fibrous tumor)
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عندنا بعد اگزامبلات،
📎الpunch biopsy تستعمل بل skin rashes, moles and
other small masses
📎اما الsurface biopsy تستعمل to remove a
small piece of skin to test for carcinoma (cancerous tissue)
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Even if a lesion is large, it is acceptable to take just a single biopsy.
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الepidermoid تكوت بس ابيثيليم
اما الdermoid يكون بيها اضافة الappendages، مثلاً شعر و غدد دهنية و عرقية
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After taking radiation to the head and neck region, the mandible becomes more susceptible to necrosis. This is due to:
