NEET MDS Shorts
43078
Dental Materials
The main advantage of using Ormocers is their excellent biocompatibility and resistance to masticatory loading. They also have good esthetic properties, resembling those of natural teeth.
48356
INI CET
IL-1Ra, IL-11, and IL-10 help suppress immune responses. TNF-α (Tumor Necrosis Factor-alpha) is a potent pro-inflammatory cytokine that promotes inflammation.
85734
RadiologyAll of the following are radiolucent except cementoblastoma.
85986
NEETMDS
Polypropylene (Prolene) is a synthetic, non-absorbable, monofilament suture known for causing minimal tissue reaction and being the least adherent. Its property of plasticity allows it to deform permanently without breaking, which is desirable in vascular or plastic surgery.
94289
Oral SurgeryThe most suitable anaesthesia for the extraction of a deciduous molar is inferior alveolar nerve block.
34432
Endodontics
Endodontic instruments, particularly those used for root canal treatment and
implants, typically have a length of around 40 mm. This length allows for
adequate reach into the root canals of most teeth, which can vary in depth.
Instruments shorter than this may not effectively reach the apical areas of the
root canals.
76587
EndodonticsZinc oxide eugenol (ZOE) is the preferred filling material for primary root canals due to its excellent biocompatibility, antimicrobial properties, and ability to resorb along with the primary tooth roots. Unlike gutta-percha used in permanent teeth, ZOE provides appropriate sealing while allowing physiological root resorption.
96530
Physiology
Gastric chyme, which is the mixture of food and gastric juice, is highly acidic due to the presence of hydrochloric acid secreted by parietal cells. The pH typically ranges from 1.0 to 2.0 when it enters the duodenum. This acidity helps to denature proteins and provides the optimal environment for pepsin activity. Once in the duodenum, the chyme is neutralized by the secretion of bicarbonate from the pancreas and bile from the liver.
37739
NEETMDS
The Quincke sign is the visible pulsation (cyclic reddening and blanching) of the nail bed capillaries when light pressure is applied to the tip of the nail, indicating wide pulse pressure.
60566
Dental Materials
Type II (Normal set) alginate impression material has a setting time of 2-4 minutes, which is longer than the fast-setting Type I material.