76583

Rigid precision attachments are recommended for free-end mandibular partial dentures when opposing a complete denture. The complete denture provides even loading and reduced lateral forces, making rigid attachments appropriate. When opposing natural teeth or other partial dentures, semi-rigid attachments are preferred to accommodate differential movement.

38496

Is a TCA- block neuronal uptake of noradrenaline and serotonin. and thus increase its conc. at synapse. they also block muscarinic, histaminergic, and adrenergic receptor

84102

In familial hypokalemic periodic paralysis, the primary defect is a decrease in muscle potassium permeability, leading to a reduced efflux of potassium from muscle cells.

34450

Goldent is a form of direct gold restoration where pellets of powdered gold are wrapped in a No. 3 gold foil. The foil acts as a container for the gold particles and allows for better handling and condensation during placement. Each pellet contains approximately 95% powdered gold and 5% gold foil, making it more economical than using gold foil alone for restorations.

57919

The formation of oxyhemoglobin is influenced by 1. pH 2. CO2 concentration 3. Temperature

62807

11636

Methadone is a synthetic narcotic analgesic  The other major synthetic narcotic is meperidine (Demerol). Narcotic analgesics derived from opium are morphine, heroin (diacetylmorphine), and codeine.

84799

Hypersensitivity to the drug is a contraindication to the use of local anaesthetic agent.

24351

Obturation of root canal should achieve all the mentioned objectives: 1) Tug-back - indicates proper fit and resistance form of the master cone, 2) Hermetic seal - prevents microleakage and bacterial penetration, 3) Fluid-free seal - eliminates pathways for tissue fluids that can support bacterial growth, 4) Additionally should provide: complete filling of canal system, biocompatibility, and dimensional stability. These objectives work together to ensure long-term success by eliminating bacterial contamination and preventing reinfection of the periapical tissues.

74809

The mandibular second molar typically has 4 cusps and a cross-shaped (+) groove pattern, unlike the 5 cusps and Y-pattern of the first molar.