Open Wide
Tooth School Inside
Henry Holt and Company (BYR) 2014
Challenging read for K–3rd grade
Reading level 4.6 (4th grade) is above the ages 5–9 interest range
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Genre
Themes
- dental health
- hygiene
- humor
- school life
- science and anatomy
- responsibility
About this book
It’s the first day at Tooth School, and Dr. Flossman’s class of incisors, canines, premolars, and molars are ready to learn how to keep a mouth healthy. With jokes, charts, and chatty speech bubbles, this lively picture book explains brushing, flossing, cavities, and what different teeth do. Kids love the silly personalities and visual humor while picking up real facts about dental care. Perfect for elementary readers, classrooms, and anyone curious about what’s going on in their grin.
Setting: a whimsical classroom inside a human mouth
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Frequently Asked Questions
Is Open Wide right for my child?
It depends — here's what to consider for Open Wide. The reading level is AR 4.6, which is typical for 4th grade. The interest level is rated Lower Grades (K–3), meaning the themes and content are designed for ages 5–9 (K–3rd grade). Themes include dental health, hygiene, humor.
How long does it take to read Open Wide?
At a typical 4th grade reading pace, Open Wide takes around 17m to finish. The book has 2,600 words. Slower or faster readers may vary significantly.
Does Open Wide have an AR quiz?
Yes — Open Wide has an AR quiz available, worth 0.5 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is Open Wide?
Open Wide has an AR reading level of 4.6, which places it at a 4th grade reading difficulty. The interest level is rated Lower Grades (K–3) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.