Final answer:
To improve the engagement of a 3-year-old child with autism spectrum disorder in teeth brushing, a COTA can use a visual schedule, offer flavored oral rinse, and experiment with various types of toothpaste.
Step-by-step explanation:
When providing recommendations to the caregiver for improving the engagement of a 3-year-old child with autism spectrum disorder in teeth brushing, a COTA can include the following techniques:
- Use a visual schedule of the self-care task to help the child understand the sequence of steps involved.
- Offer flavored oral rinse as positive reinforcement to make the activity more appealing.
- Experiment with various types of toothpaste to find one that the child finds more enjoyable.