Coronary heart disease is caused by any problem with the coronary arteries that keeps the heart from getting enough oxygen-and nutrient-rich blood. The most common cause by far is atherosclerosis. Lack of sufficient blood is called ischemia, so coronary heart disease is sometimes called ischemic heart disease.oronary heart disease is caused by any problem with the coronary arteries that keeps the heart from getting enough oxygen-and nutrient-rich blood. The most common cause by far is atherosclerosis. Lack of sufficient blood is called ischemia, so coronary heart disease is sometimes called ischemic heart disease.
The prices for dental crowns range from $500 to $2,500 per crown and are dependent upon the materials used, location of tooth and geographic location. The average cost of a crown is $825, with or without dental insurance coverage. The cheapest cost of a dental crown is $500 for a simple metal crown.
In Australia, the price range for a single crown is generally $1100-$2000. Dental crowns are expensive which ever way you look at it. The main reason for the cost being so high is that the dentist must pay a dental technician to construct the crown.