40326

The width of a palatal strap should not be less than 8mm to provide adequate rigidity and strength. A palatal bar is narrower (typically 4-6mm), while the strap is wider to distribute forces over a larger area. The increased width of the strap provides better support and reduces tissue pressure per unit area.

78135

A stacked bar graph displays different parts of the same whole, where each bar is divided into multiple segments representing sub-categories.

13769

The C-factor is the ratio of bonded to unbonded surfaces in a dental restoration. When the C-factor increases, there are more bonded surfaces relative to the free surfaces where the composite can flow to relieve stress. This increased constraint leads to higher polymerization shrinkage stress and, consequently, greater overall shrinkage in the restoration.

22875

The condensation reaction in silicone elastomers produces ethyl alcohol, which evaporates during setting, contributing to the material's contraction.

15223

Calcium ions in calcific bridges formed after calcium hydroxide treatment come from the blood supply through the remaining vital pulp tissue, not from the calcium hydroxide itself or surrounding dentin.

89743

Free margin should NOT be broader than the base in mucoperiosteal flap design. The base should be broader than the free margin to ensure adequate blood supply. A narrow base compromises vascularization and can lead to flap necrosis.

85917

Porcelain restorations are known for their superior esthetics, primarily due to their ability to mimic the natural color, translucency, and harmony of natural teeth, which is a significant advantage over other tooth-colored restorations like composite resins.

57563

Hypercalcemia is commonly seen in hyperparathyroidism.

13403

49653

For extraction of mandibular molar, anaesthesia is given to act on the inferior alveolar nerve.