During the initial period (the first year after your braces come off) you will wear it 24/7 for several months. Later, your orthodontist will tell you that it's OK to wear it only at night -- every night. After another year goes by, you can wear it several nights per week.
As mentioned, converter shudder is usually temperature related. As transmission fluid recycles back through the engine turbine, it picks up frictional heat. Once the amount of heat generated by this friction surpasses the transmissions cooler's ability to shed it, the fluid thins and power transfer becomes inconsistent.ransmissions can shudder in a very similar manner to torque converters. To determine whether the shudder is tranny or TC related, run your vehicle for a little while till it begin to shudder and immediately park it. With your foot on the brake, put the transmission in Drive, and apply light throttle.
What causes whole body vibration. Vibration transmitted through the seat or feet (known as whole-body vibration or WBV) Drivers of some mobile machines, including certain tractors, fork lift trucks and quarrying or earth-moving machinery, may be exposed to WBV and shocks, which are associated with back pain.