42645

Splenomegaly is not usually seen in sickle cell anemia; instead, autosplenectomy often occurs due to repeated splenic infarctions.

23851

Chronic alcoholism is not a commonly recognized or direct risk factor or trigger for the development of pyogenic granuloma. Pyogenic granulomas are often treated by injecting alcohol (ethanol) into them

83330

Hydrogen peroxide is the solution used to bleach non-vital endodontically treated teeth. Typically used as: 1) 30% hydrogen peroxide (Superoxol) for in-office bleaching, 2) Can be activated with heat for enhanced effectiveness, 3) May be mixed with sodium perborate for walking bleach technique, 4) Penetrates dentin tubules to break down chromophores causing discoloration. Chloroform and ether are solvents used for gutta-percha removal, while sodium hypochlorite is an irrigant for canal disinfection, not bleaching.

98790

Intercanine width serves as safety valve for dominant horizontal basal mandibular growth spurt.

94219

87390

Adrenaline primarily works by binding to beta-2 receptors, causing bronchodilation and increasing cardiac output, and to alpha-1 receptors, causing vasoconstriction. This helps to counteract the vasodilatory and bronchoconstrictive effects of histamine.

98546

In a pregnant patient experiencing syncope during dental extraction, the left lateral position is preferred to prevent supine hypotensive syndrome. When pregnant women lie supine, the enlarged uterus can compress the inferior vena cava, reducing venous return and cardiac output, leading to hypotension and syncope. The left lateral position relieves this compression and improves venous return.

30396

89345

Premature exfoliation of deciduous teeth is seen in hypophosphatasia.

38050

The main tool for the detection of "cases" of tuberculosis is 1. Sputum examination.