Fig. 13.1
Preoperative view of the patient’s maxillary anterior teeth. An A2 Vita Classical A1-D4 shade tab (VITA Zahnfabrik H. Rauter GmbH & Co. KG) is shown as reference
Fig. 13.2
Higher magnification view of maxillary incisors with white spots. Tooth #9 (FDI 2.1) had the widest white spot areas
Fig. 13.3
Scalloped custom-fitted bleaching tray short of the gingival tissues to prevent tissue irritation
Fig. 13.4
Aspect of anterior teeth after 9 days of at-home whitening with 10 % carbamide peroxide gel with potassium nitrate and sodium fluoride (Whiteness Perfect 10 %, FGM) in a custom-fitted tray overnight
Fig. 13.5
Aspect of anterior teeth after 21 days of at-home whitening. The patient was extremely happy with the lighter color of his teeth
Fig. 13.6
The patient was scheduled for a resin infiltration procedure 2 weeks after finishing the at-home whitening treatment
Fig. 13.7
Teeth were cleaned with a suspension of pumice and water and thoroughly washed with water. Area was isolated with rubber dam. A 15 % HCl gel (Icon-Etch, DMG) was applied to the white spot areas of tooth #9 (FDI 2.1). The respective manufacturer provides an application tip in the respective kit; however, we prefer a small round brush to ensure application accuracy
Fig. 13.8
The 15 % HCl gel was extended to the other white spot areas and left undisturbed for 2 min
Fig. 13.9
The gel was thoroughly rinsed with water for 30 s with the high-speed suction tip positioned as close as possible to the area being washed. The white spots on tooth #9 (FDI 2.1) were etched a second time with 15 % HCl gel for 2 min, as recommended by the manufacturer
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