NEET MDS Shorts
34037
Conservative DentistryFor porcelain inlays, a butt joint or butt-type cavosurface margin is recommended. This design provides maximum bulk of the porcelain at the margin, which is crucial because porcelain is brittle and needs sufficient material thickness to withstand occlusal forces and prevent fracture.
52387
Dental Materials
Fluoromica glass ceramics like Dicor have a composition based on mica crystals consisting of silica, potassium oxide (K2O), magnesium oxide (MgO), and aluminum oxide (Al2O3), with zirconium oxide (ZrO2) added for stability. Fluorides are included in the mixture to achieve fluorescence in the finished prosthesis. The material is castable and shares some similarities with traditional dental ceramics but with unique properties derived from its crystalline structure.
36615
Oral SurgeryIn liver disease patients, bleeding is the most significant complication during extraction due to impaired synthesis of clotting factors (II, VII, IX, X) and reduced platelet production. The liver produces most coagulation proteins, and hepatic dysfunction leads to prolonged bleeding times and increased risk of hemorrhage during surgical procedures.
36762
Oral PathologyThe function of the facial nerve is best tested by whistling.
19186
Dental Materials
The specification requires that amalgam neither contract nor expand more than 20 µm/cm.
82949
INI CET
Alginate is derived from alginic acid, which is extracted from brown seaweed. It reacts with calcium sulfate to form a stable gel.
51433
Oral PathologyChanging kVp from 70 to 80 increases the energy of photons produced significantly.
31212
Physiology
A lesion in Broca's area leads to motor aphasia, also known as Broca's aphasia or expressive aphasia. This type of aphasia is characterized by difficulty in producing speech, particularly with grammatical errors and reduced vocabulary. Understanding of language is usually preserved, but the ability to form coherent sentences is impaired.
53378
PeriodonticsThick manageable true pockets with no recession are best treated by an apically displaced flap procedure. The apically displaced flap technique is a common surgical method in periodontics that is effective for reducing pocket depth and increasing the width of attached gingiva, particularly in cases with sufficient keratinized tissue and no recession.
15873
INI CET
Cleidocranial dysplasia (CCD) is a genetic disorder caused by a mutation in the RUNX2 gene, not an alpha one gene. The condition is characterized by a range of symptoms, including large fontanelles and open sutures in the skull, large frontal sinuses, and dental abnormalities such as a high arch palate and prolonged retention of deciduous teeth.