Abstract
Better adjacency is of significant importance to the function of
teeth. The disruption of teeth adjacency would cause food #impaction,
dental caries and #periodontal problems. Many cases, adjacent alveolar
bone absorption result in food level impaction. Long-time food
accumulation in gingival triangle zone can lead to teeth defect below
the adjacent gingival. The bottom of the defect is difficult to see
clearly, bringing great trouble of application of matrix system.
Unreasonable placement of matrix piece will prone to appear resin
overhanging, pressing the #gingival. Hence, we summarized a modified
"re-bending of #Dentsply matrix piece pushing gingival"; method to
restore teeth defect below the adjacent gingival efficiently. Better contact relationship of teeth is crucial to the teeth function.
The purpose of #resin restoration is to re-form the adjacency of the
teeth and to ensure no marginal overhang existence [1,2].
Often, the adjacent alveolar bone absorption will cause horizontal food
disease below the adjacent gingival [3,4]. The big problem is that we
are difficult to see clearly the bottom of defect.
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