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Material Selection for Pontics Material Advantages Limitations Porcelain fused to metal (PFM) Strong, esthetic, durable May show metal margins over time All-ceramic Superior esthetics Brittle in long spans Zirconia High strength + esthetics Technique-sensitive Metal (Gold/Alloy) Excellent fit and longevity Poor esthetics High Yield Pontic for maxillary premolar: Modified …
Smallpox (variola) - vesicles are well synchronized (same stage of development) and cover the skin and mucous membranes. - vesicles rupture and leave pock marks with permanent scarring.…
Rubber Dam in Dentistry The rubber dam is a crucial tool in dentistry, primarily used for isolating teeth during various procedures. Developed by Barnum in 1864, it enhances the efficiency and safety of dental treatments. Rationale for Using Rubber Dam Maintains Clean and Visible Field The rubber dam isolates the treatment area from saliva and blood, providing a clear view for the clinician. Patient Protection Prevents aspi…
Heart is a hollow muscular organ , that is located in the middle mediastinum between the two bony structures of the sternum and the vertebral column ( a very important location for applying Cardiopulmonary Resuscitation - CPR- ) . It has a shape of clenched fist , which weighs about 300 grams ( with mild variation between male and female ). Heart has an apex that is anteriorly , inferiorly , and leftward oriented , and a base , that is posteriorly , s…
SYMPATHOMIMETICS β2 -agonists are invariably used in the symptomatic treatment of asthma. Epinephrine and ephedrine are structurally related to the catecholamine norepinephrine, a neurotransmitter of the adrenergic nervous system Some of the important β 2 agonists like salmeterol, terbutaline and salbutamol are invariably used as bronchodilators both oral as well as aerosol inhalants SALBUTAMOL It is highly selective &…
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