10775

The root commonly removed in a maxillary first molar during hemisection or root section is the distobuccal root.

98863

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

53080

Recurrent sinusitis is due to both anatomical abnormalities and poor resistance. Anatomical factors like deviated nasal septum, polyps, or narrow ostia predispose to infection. Poor immune resistance, allergies, or systemic conditions also contribute to recurrent episodes.

55090

62613

Hydroxylation of protocollagen to true collagen in wound healing requires all three factors: 1) Oxygen - provides the oxidizing environment necessary for the hydroxylation reaction, 2) Ferric ion (Fe3+) - acts as a cofactor for the enzyme prolyl hydroxylase, 3) Ascorbic acid (Vitamin C) - essential cofactor that maintains iron in the ferrous state and is required for prolyl and lysyl hydroxylase activity. Deficiency of any of these factors leads to defective collagen synthesis, resulting in poor wound healing and scurvy-like symptoms.

52218

In one-walled vertical defects, one wall is present.

16229

Garre's osteomyelitis predominantly affects young individuals (children and adolescents). Affecting primarily adults is the incorrect statement.

39400

Vertical condensation of gutta-percha is more difficult to retrieve and is associated with root fractures. This is because: 1) The thermoplasticized gutta-percha bonds more intimately with canal walls, 2) Heat application during condensation makes removal challenging, 3) Excessive force during condensation can cause vertical root fractures, 4) Dense packing requires aggressive instrumentation for removal, 5) The technique requires greater operator skill and carries higher risk of complications. While it can provide excellent seal, the difficulty of retreatment and risk of root fracture are significant disadvantages.

18575

Sulfasalazine is absorbed well from GIT

74008

Leptin is a hormone secreted by adipose tissue that acts on the hypothalamus to inhibit food intake and increase energy expenditure. It plays a key role in regulating body weight and metabolism by signaling satiety and modulating the sensation of hunger and fullness.