例句與造句

1. A synthesis of two curettes  a Syntette ."
2. The syntette was created by Leif Ericsson, V鋝tervik Hospital, V鋝tervik, Sweden in the 1980s.
3. The syntette is held parallel to the tooth and pushed under the gingiva, rotated slightly and moved upwards in a  pull stroke ( vertical movement ).
4. It's difficult to find syntette in a sentence. 用syntette造句挺難的