NEET MDS Shorts
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ProsthodonticsXerostomia is seen in all of the patients except Parkinsonism.
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Oral PathologyMuscular overextension and overcontraction is the primary causative factor for MPDS. This occurs due to parafunctional habits (bruxism, clenching), stress, malocclusion, or postural problems leading to muscle fatigue, spasm, and pain. The cycle of muscle tension, pain, and further spasm perpetuates the condition. Infratemporal space infection, auriculotemporal neuritis, and otitis media are not primary causes of MPDS.
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NEETMDS
Verapamil is actually a drug of choice for paroxysmal supraventricular tachycardia (PSVT). It is a calcium channel blocker that depresses Ca++ mediated depolarization. It does not produce reflex tachycardia and can cause constipation.
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Dental Materials
The gelation temperature is the point at which the material transforms from a sol to a gel, which is critical for impression making.
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Physiology
Oxytocin causes contraction of the myoepithelial cells surrounding the mammary alveoli, which presses milk into the larger ducts and leads to the milk let-down reflex. This is essential for milk ejection during lactation.
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General Medicine
Celiac disease is an autoimmune response to gluten proteins found in wheat, barley, rye, and possibly other grains, which leads to inflammation and damage in the small intestine.
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NEETMDS
The center of resistance is the point where a single force can be applied to cause pure translation (bodily movement) of the tooth without any rotation or tipping.
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Dental Materials
The particle size of the fillers in composite materials affects their physical and handling properties. Conventional composites have larger filler particles, while microfilled and hybrid composites have smaller ones. The text provides the typical ranges for each type of composite.
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Periodontics
The most prominent immunoglobulin in sulcular fluid is IgG.
Sulcular fluid is the fluid found in the space between the tooth and the
surrounding gingival tissue. It contains various immunoglobulins that contribute
to the local immune defense against oral pathogens. While IgA is the most common
immunoglobulin found in saliva, which is closely related to the oral cavity, the
most prominent immunoglobulin in sulcular fluid is actually IgG. IgG is the most
abundant antibody in the blood and can be found in various bodily fluids,
including sulcular fluid, where it provides protection against infections and
inflammation. IgE is associated with allergic reactions, IgM with early immune
responses, and IgA with mucosal surfaces
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Oral medicineThe term "potato tumour" is often used to describe a chemodectoma, which is a type of tumor that arises from the chemoreceptor cells of the carotid body. These tumors can be vascular and may have a lobulated appearance, resembling a potato. They are typically benign but can cause symptoms due to their location and pressure effects on surrounding structures.