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Clinical Tips: ProxyPal
3D Contoured Matrix

 

ProxyPal is a transparent 3D contoured matrix for the front area. The pre-shaped progressive curvature aids to create incisal fillings with a correct anatomical shape and is especially designed for large proximal fillings and closure of frontal diastemas, preventing “black triangle disease”.In order to achieve a perfect filling the matrix has been designed such that the curvature of the matrix escalates linearly along its total length.

In one end the curvature is vague which is ideal for lower jaw incisors. In the other end the matrix curvature is distinct thus suitable i.e. a diastema closure. By pushing/pulling the matrix it is easy to find a suitable curvature for every tooth. The matrix has an cervical edge which inserted into the gingival pocket stabilizes the matrix during insertion of filling material. The cervical edge prevents moisture from the surrounding tissue that interfers with the cavity.

 

Indications for use

Class IV, Large Class III, Closure of diastema.
After preparation of the cavity, carefully position the matrix band so that the cervical edge goes into the gingival sulcus
The 3D contour ensures a stable matrix during the whole procedure. By pushing/pulling search the bands ideal position for the best proximal shape. Cut the matrix.
The band should be fixed by allowing it to go around the palatinal surface and back into the interdental space on the other side and stabilized by a finger on the palatinale side. 
Finish according to the instructions of your selected composite system.
Remove the matrix and adjust, finish and polish your restoration.
 

 

It is important to allow the matrix band to keep the right cervical shape...
...by not pushing it towards the tooth to be treated.