text:  Or are they ignoring all of that? Joe Paggs, tonight at 9 on Freedom 95. Do you realize that those crowns your dentist has suggested to you are not necessary? There's also many ways you can avoid root canals by never grinding a tooth down to a crown in the first place. This is Dr. Randy Shoup. At Microscope Dentistry by Shoup, we practice tooth preservation and conservative restoration rather than 100-year-old dental techniques that most dentists