3D-printed toothbrush cleans teeth in six seconds

The video tutorial explains the process of creating a dental impression using a technique similar to molding braces. It describes how a 3D printer is used to produce a customized mouth guard based on the mold. The mouth guard features 400 bristles set at a 45-degree angle, allowing users to clean hard-to-reach areas by biting and grinding. Additionally, the device includes a handle that doubles as a floss dispenser and a built-in tongue scraper, enhancing dental hygiene.

What technique is used to take an impression of a patient's teeth?

• A technique used for molding braces

• A technique used for filling cavities

• A technique used for whitening teeth

• A technique used for making dentures

How is the customized mouth guard created?

• Using a laser cutter

• Using a CNC machine

• Using a 3D printer

• Using a traditional mold

At what angle are the bristles fitted onto the mouth guard?

• 90 degrees

• 45 degrees

• 60 degrees

• 30 degrees

What action do users perform instead of brushing?

• Chewing and grinding

• Scrubbing and polishing

• Rinsing and spitting

• Swishing and gargling

What additional feature does the handle of the device have?

• A floss dispenser

• A water jet

• A light

• A toothpaste dispenser