Sharp-stabbing pain lasting a few seconds is normal and typically indicates transient nerve compression, called the 'precordial pinch'; 3. Caffeine can cause some normal heart rate increase, which can be associated with chest discomfort. ...Read more.
The price for Invisalign cases will generally vary depending on the complexity of the case. On average a fairly straight forward case might cost between $3000-$4000, and a more complex case may cost $5000-$6500.
Metal braces are less costly than the ceramic ones. Metal braces will cost you about $400 less than the ceramic ones. The ceramic braces look natural and hence are more aesthetic to look at. Invisalign braces can cost you about $6200 because of the features that it offers you.