Teeth Still Yellow After Whitening – What To Do?

This article is a part of our Q&A series in which we give detailed answers to our readers' questions. Have a question? Don't hesitate and send it to us to get a detailed answer!

Having yellow teeth despite trying various whitening methods can be frustrating. This comprehensive guide aims to explain why teeth might still appear yellow after whitening and what steps can be taken to address this issue.

Understanding Teeth Coloration

Before diving into solutions, it’s essential to understand what might cause the teeth to be yellow and how whitening works:

• Enamel and Dentin: The outer layer of teeth, enamel, is translucent. The layer beneath it, dentin, is naturally yellow. Thinner enamel can make teeth appear more yellow due to the visibility of dentin.
• Stains and Discoloration: There are two types of stains that affect the color of your teeth. Extrinsic stains are on the surface, while intrinsic stains are inside the teeth. Whitening products mainly address extrinsic stains.
• Whitening Process: Teeth whitening usually involves using products containing bleaching agents like hydrogen peroxide or carbamide peroxide to break stains into smaller pieces, making them less visible.

Reasons for Ineffective Whitening

• Intrinsic Stains: If your teeth have intrinsic stains due to medication, trauma, or overexposure to fluoride as a child, regular whitening products may not be effective.
• Thinning Enamel: Aging, excessive brushing, or acidic diets can cause enamel to thin out, making dentin more visible.
• Wrong Shade Expectations: Sometimes, expectations may be unrealistic regarding the shade achievable with whitening. Not everyone’s teeth can become pearly white.
• Product Misuse: Not following the instructions of a whitening product or not using it for the recommended time can lead to ineffective results.

What to Do if Teeth are Still Yellow

• Evaluate Whitening Methods: If over-the-counter whitening products are not effective, consider seeing a dentist for professional whitening treatments which are often more potent.
• Manage Expectations: Understand that achieving a natural shade of white is more realistic than expecting a stark white color.
• Addressing Intrinsic Stains: If intrinsic stains are the cause, ask your dentist about options like veneers or bonding to improve the appearance of your teeth.
• Maintain Oral Hygiene: Continue to maintain good oral hygiene by brushing twice a day, flossing daily, and using a mouthwash. This will help in preventing new stains.
• Avoid Staining Foods and Drinks: Beverages like coffee, tea, red wine, and certain foods can stain teeth. Consume them in moderation and rinse your mouth with water afterward.
• Use a Straw: When drinking staining beverages, using a straw can reduce their contact with your teeth.
• Talk to Your Dentist: If you’re not seeing the results you want, talk to your dentist. They can evaluate the cause of the yellowing and recommend appropriate treatments.
• Consider Alternatives: For some, dental veneers or bonding might be more suitable options for achieving the desired shade of teeth. These options involve attaching a thin layer of porcelain or resin to the front of the teeth.

Caution

Be cautious about overusing whitening products, as this can lead to tooth sensitivity and enamel erosion. Always follow the product instructions and consult a dentist for personalized advice.

Bottom Line

If teeth remain yellow despite whitening efforts, it’s important to evaluate the causes and consider alternate treatments. Maintain good oral hygiene, make dietary adjustments, and consult a dentist for professional advice and treatment options. Ultimately, the goal should be a healthy and natural smile.

This Q&A series article is complete and was published on July 16, 2023, and last updated on July 16, 2023.