38422

The part of the instrument that should remain parallel to the long axis of the tooth is the shank.

19090

The primary mechanism of H+ secretion by parietal cells is through the action of the H+-K+ ATPase pump, also known as the proton pump. This enzyme is responsible for actively transporting H+ ions into the gastric lumen while moving K+ ions into the cells, thereby acidifying the gastric content.

42330

90739

In tongue amyloidosis, amyloid is deposited primarily in the stromal connective tissue. Amyloid proteins accumulate in the extracellular space of connective tissue, not within cells. This deposition causes tissue enlargement and functional impairment of the affected organ.

95057

Proliferative verrucous leukoplakia (PVL) is a high-risk form of leukoplakia with a very high rate of malignant transformation, often exceeding 70% in some studies. Speckled leukoplakia also has a significant malignant potential, higher than homogenous leukoplakia, but generally lower than PVL. Lichen planus has a much lower potential for malignancy.

82542

A dentin bonding agent typically has a hydrophilic (water-loving) end that bonds to the moist, demineralized dentin, which is primarily composed of collagen fibers and water.

48332

When the transport maximum for glucose is exceeded, some glucose is reabsorbed and some is excreted in the urine, leading to glucosuria.

83142

A tracheostomy is a surgical procedure that involves creating an opening in the trachea (windpipe) to facilitate breathing. The preferred site for making the incision during a tracheostomy is the cricothyroid ligament, which is located between the cricoid and thyroid cartilages.

55056

Resin cements are commonly used for cementing metal crowns and bridges due to their high bond strength and durability.

39710

The primary reason for full mouth radiographs in edentulous patients is to detect retained root tips that could cause future complications. While other pathology may be found, this is the main indication.