Tooth whitening gels put to the hardness test
Knowledge-focused
Completed
This study tested whether two common tooth whitening agents—a 10% carbamide peroxide gel used at home and a 40% hydrogen peroxide gel used in the dentist's office—change the hardness of tooth enamel. Forty people who needed to have four premolars extracted for orthodontic reasons…
Phase: NA • Sponsor: Ultradent Products, Inc. • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC