A secured transaction is a transaction that is founded on a security agreement. A security agreement is a provision in a business transaction in which the obligor, or debtor, in the agreement gives to the creditor the right to own property owned or held by the debtor.
If your brush has two speeds, and uses brush heads with slim-angled necks, then you have a Sonicare Elite. An Elite toothbrush has a thread collar screw on brush head.
Ultrasonic And Sonic Instruments are used for removing plaque, stains and calculus. There are 2 types of ultrasonic units : a) Magnetostrictive : Vibrations of the tip are elliptical hence all the sides can be used. b) Piezo-electric: Pattern of vibration of the tip is linear : only 2 sides of the tip are active.