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Restorative Procedure - Kerr Hawe

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Abrasive coating<br />

OptiDisc <strong>Kerr</strong><br />

200 µm<br />

< ><br />

Extra-Coarse<br />

Coarse-Medium<br />

Fine<br />

Extra-Fine<br />

200 µm<br />

< ><br />

OptiDisc can be turned<br />

on the mandrel in order<br />

to have an easy access<br />

of active side on mesial<br />

and distal surface of<br />

the tooth.<br />

Coarse Medium Fine<br />

Sof-Lex XT 3M Espe<br />

Super Fine<br />

SEM pictures show comparison of abrasive<br />

coating of 2 competitive materials.<br />

SEM pictures courtesy of Dr. Jean-Pierre Salomon, France<br />

0.0160<br />

0.0140<br />

Mass removal after each application<br />

of 20 sec. on Point4<br />

3M Soft-Lex<br />

OptiDisc<br />

Abrasive<br />

Glue<br />

Polyester<br />

OptiDisc<br />

Sof-Lex XT 3M Espe<br />

OptiDisc has a ready to use abrasive layer - uncoated cutting edges for<br />

high efficiency from the start.<br />

Glue<br />

Abrasive<br />

Foil<br />

Mass removal (g)<br />

0.0120<br />

0.0100<br />

0.0080<br />

0.0060<br />

0.0040<br />

0.0020<br />

0.0000<br />

3M Coarse 3M Medium Fine Super Fine<br />

<strong>Hawe</strong> Extra coarse <strong>Hawe</strong> Medium/Coarse<br />

38<br />

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