A study of a new material for retrograde fillings.

Stai l ine was f o u n d to be an exce l len t m a t e r i a l fo r re t rof i l l ing. In c o m p a r i n g resul t s w i t h this ma te r i a l w i t h resu l t s f r o m tes ts d o n e wi th si lver a m a l g a m , it w a s seen tha t Sta i l ine a d a p t s b e t t e r a n d d o e s n o t e xpa nd . C o l l a g e n f ibers a p p e a r to g r o w in to c racks in it, w h i c h p roves it to be b i o l o g i c a l l y accep tab le .