estetica, faccetta, sbiancamento 1

Statement 1: Extrinsic stains are located on the surface of the enamel and can usually be removed with a professional external whitening treatment. True. False.

Statement 2: Consuming foods and drinks like tea, coffee, red wine, or using mouthwashes containing chlorhexidine without following instructions can cause extrinsic stains. True. False.

Statement 3: Intrinsic stains are located within the dentin and are difficult to eliminate, with tooth extraction and implant being the only possible alternative. True. False.

Statement 4: Smoking tobacco can be a cause of extrinsic stains. True. False.

Statement 5: Excessive fluoride consumption can lead to intrinsic stains. True. False.