Table 2 The vita classic shades were measured for the restorations and the teeth.

From: Assessment of toothbrushing, bleaching pen and bleaching mouthwash in removing stains from tooth structure and single-shade resin composite

Vita Classic shades

Baseline (T0)

(Before Staining)

After Coffee Staining (T1)

Bleaching Method

After Bleaching for 7 days (T2)

Restoration at cervical 1/3

A2

A3

Toothbrushing

A3

Bleaching Pen

A2

Bleaching Mouthwash

A2

Tooth at middle 1/3

A3

C4

Toothbrushing

A4

Bleaching Pen

A3

Bleaching Mouthwash

A3

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