| 摘要 |
<p>A wedge for use with a dental contact matrix system is described for the placement of dental fillings. The wedge comprises a one piece member of elastic material having an elongated narrow section and an elongated tapered section with a triangular cross section. The elongated narrow section extending directly or indirectly from the narrow end of said tapered section. A wedge having two elongated tapered sections is also described.</p> |
