Why Sensitivity Happens
We are dentist and provide best solutions. Whitening gels release peroxide that diffuses through enamel and dentin, temporarily exciting fluid in the tubules and the nerve. Dehydration from prolonged isolation can amplify the zing.
Pre-Whitening Triage
We screen for recession, exposed dentin, microcracks and high baseline sensitivity. Two weeks before whitening, use 5% potassium nitrate toothpaste and a nightly fluoride gel or nano-hydroxyapatite paste. Desensitizing primers placed on cervical areas help seal tubules without blocking shade change. We also review clenching and existing trays to avoid occlusal tenderness. Brighten your teeth with the best teeth whitening dentist in Mitcham – Visit us to learn more!
Chairside Protocol Tweaks
Selecting the correct concentration matters more than “stronger is better.” Start conservatively, especially for anterior teeth with thin enamel. Shorter application cycles with equal total contact time reduce spikes. Between passes, we apply potassium nitrate–fluoride for two minutes. For reactive teeth, we switch to buffered, water-rich gels and add light-free activation to avoid heat. A liquid dam protects tissues and limits dehydration.
Smart Take-Home Plans
Custom trays deliver even coverage with minimal overflow onto the gingiva. Alternate-day wear schedules allow fluid recovery while still progressing shade. Place a pea-sized drop of desensitizer in the tray after each session. If mornings are twinge-prone, move wear to evenings so relief occurs during sleep. Avoid overfilling; wipe excess gel immediately to protect soft tissues.
When to Pause, Not Quit
If pain crosses your normal threshold, whitening should pause for 48-72 hours while you use desensitizer, ibuprofen if appropriate and gentle warm water rinses. We then resume at a lower concentration or reduced wear time. The final shade is determined by cumulative exposure; brief breaks don’t cost results.
Locking In Results
After reaching target shade, we “seal” the surface with fluoride varnish or arginine-calcium products, then set a realistic maintenance cadence-usually monthly micro-boosts for coffee or tea drinkers. Avoid highly chromogenic foods for 48 hours post-bleach and keep regular cleanings so plaque doesn’t mask brightness. Plan refinishing of existing composites to match the new shade.
Bottom Line
Sensitivity is a signal to refine technique, not a reason to accept dimmer teeth. With personalized triage, buffered gels, structured pauses and ongoing remineralization, you can achieve meaningful shade improvement comfortably and predictably.
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