before and after
May 15, 2023
Dr. Parag Kachalia, DDS,

Clinical Case: Class III Restoration Using Anatomically Contoured Matrices

Using Bioclear™ Matrices, 3M™ Scotchbond™ Universal Etchant, 3M™ Scotchbond™ Universal Plus Adhesive, 3M™ Filtek™ Supreme Flowable Restorative, 3M™ Sof-Lex™ Contouring and Polishing Discs, and 3M™ Sof-Lex Diamond Polishing System.​

About the Case

A 45-year-old male patient presented with initial proximal caries on the upper-left central and lateral incisors. The caries were a result of poor plaque control and food impaction due to a light proximal contact.

The challenge in the case was to restore adjacent proximal lesions and to create a longer and broader contact to minimize future food impaction.


Learn more about the products used in this clinical case

Initial situation

Partial excavation to demonstrate presence of caries at DEJ of tooth #9 (21).

Preparation

Caries and biofilm removal with rotary instruments followed by air abrasion to remove plaque and biofilm.

Selective enamel etch

Placement of Bioclear™ anatomical matrices. Note the proximal contours created by the matrices.

3M™ Scotchbond™ Universal

15-second total-etch technique with 3M™ Scotchbond™ Universal Etchant was used on both enamel and dentin.​

Results

3M™ Scotchbond™ Universal Plus Adhesive was placed, rubbed for 20 seconds, air dried for 5 seconds, and cured through the clear anatomical matrix.

Application

3M™ Filtek™ Supreme Flowable Restorative was injected into tooth #9 (21) and cured through the matrix on both palatal and facial surfaces.​

After matrix removal. The matrix on tooth #10 (22) expanded to create a more broad and dense contact.

Final light cure

Palatal view after minimal contouring with rotary instruments.

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