Matrix Band Inset.
Patent, Filed 22 Apr 83, patented 13 Nov 84,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A dental inset for cooperative retainment about a tooth of an external matrix band by a retainer is presented. The matrix band is provided with oppositely diposed end portions and the inset connects the end portions of the matrix band where the end portions divaricate from the tooth so that a 360 degree matrix which readily adapts to the cervical circumference of the molar teeth is provided.
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