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NEET MDS Shorts

51123
Conservative Dentistry

Marginal adaptation refers to how well a restorative material seals and adapts to the cavity margins, preventing microleakage.

Acid‑etched composites bond micromechanically to enamel and dentin after etching, giving excellent initial marginal adaptation.

Amalgam: Relies on mechanical retention, not bonding, so marginal adaptation is poorer initially.

Glass ionomer: Bonds chemically to tooth structure, but its initial adaptation is not as precise as acid‑etched composites.

Unfilled resins: These shrink considerably on polymerization, leading to poor marginal adaptation.

40517
General Microbiology

Proteus bacilli are known for their characteristic swarming motility on agar and a distinctive odor, which is often described as fishy or seminal. This is due to the production of ammonia and indole as metabolic byproducts.

80441
Radiology

The sialographic appearance of a normal salivary gland is branching with bloom.

75059
Physiology

The physiological capacity of the bladder, at which micturition is normally effected, ranges between 250 ml - 450 ml, indicating the volume at which the urge to urinate is felt.

81170
Oral Surgery

Lidocaine is an example of an amide.

27977
Endodontics

Pulpectomy is the complete removal of the pulp tissue from the pulp chamber and root canals of a tooth. This procedure is the standard treatment for irreversible pulpitis, as the inflamed and infected pulp cannot heal and must be entirely removed to save the tooth and prevent further infection.

98950
Endodontics

In an endodontically treated tooth, resorption is the same as in a normal tooth. However, it is important to note that factors such as trauma, infection, or other pathologies can affect the rate of resorption. The root canal treatment itself does not inherently increase the susceptibility to resorption.

86793
Prosthodontics

The salivary glands having purely mucous secretions are palatine.

82811
NEETMDS

The function of a fixer solution in radiographic film processing is to dissolve and remove the unexposed silver halide crystals from the film emulsion. This process "fixes" the image, making it permanent and preventing the remaining silver from darkening when exposed to light.

11501
Oral Surgery

Under general anaesthesia, a patient needs a 4 * 4 gauge.

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