Manufacturing Method of Transparent Dental Alignment Device and Transparent Dental Alignment Device Manufactured by the Method

A manufacturing method of a transparent dental alignment device includes the following steps and conditions.

• Steps:
• 3D printing the dental alignment device using a composition for forming transparent dental alignment devices as the raw material (S10)
• Removing uncured resin and liquid from the dental alignment device obtained in step S10 (S20)
• Post-curing the dental alignment device obtained in step S20 (S30)
• Post heat treatment of the dental alignment device obtained in step S30 (S40)
• Cleaning the dental alignment device obtained in step S40 (S50).
• Conditions:
• The step (S20) can be performed by spraying compressed air with a pressure of 5-12 bar into the dental alignment device.
• The step (S30) can be performed at a temperature of 60-90° C.
• The step (S40) can be performed at a rate of less than or equal to 25° C./min, starting from a temperature of 60-90° C.
• The step (S50) can include a cleaning solution washing step (S50-1) and a water rinsing step (S50-2).
• Between the cleaning solution washing step (S50-1) and the water rinsing step (S50-2), there can be a time interval of 5 minutes or more to allow the cleaning solution to dry completely.