Shopping for dental implants: 1  A comprehensive dental exam (with X-rays and possibly a CT scan, plus models made of the patient's mouth) is used to create an individualized treatment plan. The Mayo Clinic explains what to expect before dental implant surgery .
How do you use overdrive in a car with an automatic transmission? How to use overdrive Generally speaking, overdrive (O/D) is the highest gear in the transmission. On most cars the automatic transmission has 3 speeds and Overdrive (fo â¦ rth speed). Overdrive allows the engine to have less rpm with higher speed in order to have better fuel efficiency.
(frÄâ²wÄlâ², -hwÄlâ²) n. also free wheel. 1. A power-transmission device that allows the drive shaft of a motor vehicle to continue turning when its speed is greater than that of the engine shaft. 2. A clutch in the rear-wheel hub of a bicycle that permits the wheel to turn without pedal action, as in coasting.