Clinically affected teeth have a dark amber opalescence.The teeth undergo much attrition at an early age, as the enamel fractures away from the imperfectly formed underlying dentin.

• 临床上，受影响的牙齿呈现琥珀乳白色，牙齿在早期时就容易磨损，牙釉质从发育不良的牙本质表面上脱落。