Iâm still going to call a 2-door car âcoupe,â and a 4-door car a âsedan.â No need for this confusing technical differences. We need to ignore the marketing BS being used. Even though the term âfour-door coupeâ is technically correct, itâs stupid.oupe = 2 doors. Sedan = 4 doors. as for the RX8, I'd call that a sedan as well and I know a lot more people would argue with that than with the CLS. But it has 4 doors and although it's a beautiful sedan, it still is a sedan.
Orthodontic Headgear. Sometimes, braces alone aren't enough to move teeth into a better position, or to correct trouble with the bite or remedy problems in the growth of the jaws. In those situations, your orthodontist may recommend the use of special appliances. Orthodontic headgear is the general name for an appliance, worn partly outside the mouth, which creates just enough force to move the teeth properly and guide the growth of the face and jaws.
Neck Brace: When Itâs Used. There are three reasons you might need to wear a neck brace: 1  The most common reason is to relieve pain. 2  The neck brace helps your neck support the weight of your head while the soft tissues in your neck have a chance to heal. The most common reason is to relieve pain. 2  The neck brace helps your neck support the weight of your head while the soft tissues in your neck have a chance to heal. 3  You may need a neck brace after spinal neck surgery to keep your neck bones in line while you heal.