68066

Antiphospholipid syndrome is an autoimmune disorder characterized by the presence of antiphospholipid antibodies. These antibodies can bind to phospholipids in cell membranes, leading to a prothrombotic state and an increased risk of thrombosis. The exact mechanism by which these antibodies induce thrombosis is complex and may involve interference with anticoagulant proteins like protein C and protein S, as well as platelet activation and endothelial damage. However, the primary mechanism is the presence of these autoantibodies.

23563

When dealing with short clinical crowns in RPD abutment teeth, restoring the teeth with full crowns can provide additional retentive surfaces and support for the clasp. This can be particularly useful when the available undercuts are limited, thereby enhancing the overall stability and retention of the prosthesis.

96691

In the conventional finger rest, the finger rest is established on the tooth surface immediately adjacent to the working area.

42336

The skin of a patient undergoing radiotherapy will show erythema after 2 weeks.

32615

Loose crown: May cause discomfort but usually not pain on percussion or mobility of the tooth itself.

Tooth fracture: Can cause pain, but mobility is not a typical feature unless the fracture is severe.

Psychosomatic: Pain perception without clinical findings, but here mobility is present, so it’s not psychosomatic.

Eccentric contact: Premature or abnormal occlusal contact leads to trauma from occlusion. This causes inflammation in the periodontal ligament, resulting in pain on percussion and slight mobility.

51469

In the sympathetic nervous system, the pre-to-post ganglionic fiber ratio of 1:20 to 1:100 indicates that there are fewer postganglionic fibers than preganglionic fibers. This ratio suggests that each preganglionic neuron synapses with multiple postganglionic neurons, thereby amplifying the sympathetic response to a given input.

79451

For detection of pathology in both Stenson's and Wharton's duct after sialogram, the indicated radiographic view is panoramic.

35960

The elastic range of a wire is the amount of deflection it can withstand before permanent deformation occurs. It is the difference between the elastic limit and the ultimate tensile strength.

30390

45650

overtrituration (i.e., triturating for longer than the recommended time) results in a mix that is warm and has a dull surface; often the mix sticks to the capsule; it shortens setting time (because the amalgam mass becomes heated), increases contraction, and increases creep; also increases tensile and compressive strength values (for lathe-cut alloys), decreases tensile and compressive strengths (for spherical alloys); overtrituration by 10% is acceptable