NEET MDS Shorts
70907
INI CET
Silicone elastomers are highly stable, but specific disinfectants like high-concentration chlorides are avoided to maintain the integrity of the detailed surface and prevent degradation.
68852
Conservative DentistryAcid etching is a dental procedure that creates a micromechanical bond between the tooth surface and a restorative material. This bonding process significantly reduces microleakage, which is the microscopic space between the tooth and the restoration where bacteria and fluids can penetrate.
48808
Prosthodontics
Explanation: Relining is primarily indicated when the fit of
the denture has changed due to resorption of the alveolar ridge or other
factors, leading to an unsatisfactory jaw relationship. However, it is not
typically used to address speech problems or esthetic concerns directly.
Therefore, the correct answer is that relining is not recommended for the
options listed.
57056
Orthodontics
SOLUTION Stress is the force applied per unit area while strain can be defined as the internal distortion per unit area.
Stress and strain are inter-related terms as stress is an external force acting upon a body while strain is the resultant of stress on that body.
Strain can be expressed in the form of a change in either the external dimension or internal energy of the body.
26546
INI CET
A thick disto-buccal flange is hit by the coronoid process of the mandible during wide opening, displacing the denture.
86749
Oral PathologyThe triad of signs and symptoms of osteogenesis imperfecta includes blue sclera, brittle bones, and opalescent dentin.
40662
General MedicineMyocardial infarction is characterized by increased LDH, fructokinase, and serum transaminases (AST/ALT). These enzymes are released from damaged myocardial cells during necrosis. The pattern of enzyme elevation helps confirm the diagnosis and timing of MI.
47790
Oral PathologyChronic granulocytic leukemia is due to chromosomal translocation.
22013
Physiology
Endorphins, particularly ?-endorphin, are opioid peptides that act as natural painkillers. They are released during stress and pain and bind to opioid receptors in the brain and spinal cord to inhibit the transmission of pain signals. While they do have secondary effects on mood and stress response, their primary function is pain inhibition.
46582
Oral SurgeryThe lowest acceptable concentration of oxygen when using nitrous oxide as a general anesthetic agent is 20%. This is because it is crucial to ensure that the patient receives at least the same concentration of oxygen as in ambient air to maintain adequate oxygenation and prevent hypoxia.