54583

Grid is used in radiography to reduce fogging.

85918

The primary role of the cephalic phase of gastric acid secretion is the secretion of gastric juices in response to the thought or smell of food, preparing the digestive system for incoming food.

18680

Streptomycin is considered a narrow-spectrum antibiotic, primarily effective against Gram-negative bacteria and Mycobacterium tuberculosis. Ampicillin, chloramphenicol, and tetracycline are all classified as broad-spectrum antibiotics because they are effective against a wide range of both Gram-positive and Gram-negative bacteria.

29142

74566

The lateral pterygoid muscle plays the primary role in positioning the mandible in centric relation, acting during mandibular translation and stabilization during mandibular positioning.

45736

Paget's disease of bone has the potential for spontaneous malignant transformation.

98863

The inter-arch distance measured when the occlusal rims are in uniform contact is vertical dimension of occlusion.

17524

73909

Needle breakage is a rare complication in local anesthesia, but it is most likely to occur during a mandibular nerve block (specifically, the inferior alveolar nerve block). This is because it involves a longer needle insertion into deeper tissues, closer to bone, increasing the risk of the patient suddenly moving or the needle bending and snapping at the hub.

26441

Oral lichenoid reactions often exhibit a deeper, more diffuse inflammatory infiltrate compared to oral lichen planus, where the infiltrate is typically band-like and confined to the superficial lamina propria. Other features like Wickham striae and liquefaction degeneration of the basal layer are common to both conditions.