Keyway Preci-Line Precision Partial Denture Attachments Restore Missing Teeth'S Fuction

Principle                                                                                                                                             

Take advantage of interaction between metal post which locaded on fixed denture free-end and plastic cover which on removable denture. To form fricton retainer.

Function                                                                                                                                             

1. Making doctor's operation easier. 

2. On the premise that removable base plate be retained well, clasps to as few as possible

Indication                                                                                                                                            

Free-end missing of side or two sides ,especially adapt for patient which buccolingual dimension or vertical distance is smaller and free-end is longer

Properties                                                                                                                                          

1. It's the best design that missing teeth are too much to restore by fixed restoration

2. Retainer  and stable are good.

4. Restore missing teeth's fuction.

5. The area of base plate is small, comforatable sense is better.

6. Patient cleans easy.