Acid is the Culprit Soft drinks contain acids.
Acid + Sugar = Double Trouble!
How Soft Drinks Affect Teeth with Braces
How Soft Drinks Affect Teeth While Wearing Aligners
Liquids seep into aligners when you take a drink, and the liquid is held
against the teeth until the aligner is removed. If the liquid contains acid, the prolonged
exposure accelerates damage to teeth. This can lead to extensive decay (pictured above, right)
and the need for expensive restorations that may need to be repeated
periodically over a lifetime.