NEET MDS Shorts
61421
ProsthodonticsThe primary purpose of rinsing the alginate impression in a watery mix of gypsum is to remove the residual saliva on the impression.
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Oral SurgeryThe rate of distraction in osteogenesis distraction surgeries is typically 1 mm/day, allowing for gradual bone formation.
26102
General MedicineTroponin T is elevated in myocardial infarction. Troponins are cardiac-specific proteins released during myocardial necrosis. They are highly sensitive and specific markers for myocardial damage, remaining elevated for 7-14 days after MI, making them ideal for diagnosis.
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Pathology
1. Noduloulcerative Basal Cell Carcinoma: This is the most common subtype of
BCC, making up about 60-70% of all cases. It typically appears as a slowly
growing, round to oval, pearly or translucent nodule with a central ulceration
that may bleed or ooze. The borders of the lesion are often not well-defined and
may have a rolled, pearly edge with telangiectasias (small, dilated blood
vessels).
2. Cystic Basal Cell Carcinoma: This subtype presents as a round, dome-shaped
lesion with a cystic or fluid-filled center. It is less common than the
noduloulcerative type, and it may be mistaken for a benign cyst or epidermoid
cyst.
3. Morphoeic Basal Cell Carcinoma: Also known as sclerosing or morpheaform BCC,
this type is characterized by a slowly growing, ill-defined, firm, plaque-like
lesion that can infiltrate deeply into the skin. It may have a whitish, waxy
appearance with a scar-like texture. Morphoeic BCC tends to be more aggressive
and can be challenging to diagnose due to its subtlety.
4. Pigmented Basal Cell Carcinoma: This is a less common variant of BCC,
accounting for approximately 6-15% of cases. It presents with pigmentation in
the lesion, which can be brown, blue, or black. The presence of pigment can make
it look similar to melanoma, another type of skin cancer, so a biopsy is often
necessary to confirm the diagnosis.
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Dental Materials
Microfilled composites have a very high surface area with silica particles diameters of 0.04 to 0.2 µm, which provides excellent aesthetic results and polishability.
89561
ProsthodonticsThe cementing medium provides the greatest retention for an onlay. While proximal contacts, intracoronal portions, and cusp slopes contribute to retention, the cement creates the primary bond between the restoration and tooth structure. Modern adhesive cements provide both mechanical and chemical retention that is crucial for onlay success.
90730
Oral SurgeryMultiple myeloma is a type of cancer that affects plasma cells in the bone marrow. The standard treatment typically involves a combination of therapies, as it is a systemic disease not treatable with localized surgery alone. Chemotherapy, often combined with radiotherapy (especially for localized bone lesions), is the treatment of choice.
95994
INI CET
Arrestin is a brand name for a subgingival sustained-release product that contains minocycline, which is a derivative of tetracycline, used in the treatment of periodontitis. Actisite contains tetracycline, Periochip contains chlorhexidine gluconate, and Atridox contains doxycycline.
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Oral PathologyIn Peutz-Jeghers syndrome, the oral lesions are characterized by silver pigmentation of the oral mucosa.
68103
Periodontics
Vestibular extension procedure results in an increase in width of non-keratinised
attached gingiva
The vestibular extension procedure is a surgical treatment that involves the
apical movement of the vestibular mucosal tissue to increase the width of
attached gingival tissue around a tooth. This procedure typically does not alter
the width of the keratinized attached gingiva, which is the tissue that is
directly connected to the tooth surface. Instead, it primarily increases the
non-keratinized attached gingival width, which is the part of the gingival
tissue that is not directly attached to the tooth but is still important for
periodontal health and aesthetics.