1) Patient interview items (when their caregivers did not
notice symptoms, the answer was given as “absence.”)
1. Presence of snoring
2. Presence of apnea
3. Presence of mouth breathing
2) Oral care products
First teeth, Mouth wash, Oralbalance and two kinds of
Tooth ette® (Sage Products Inc., Illinois, USA) (short
and long type).
3) Procedures of oral care
1. Tooth brushing with a small amount of toothpaste
(0.2 g of First teeth).
2. Mouth washing.
3. After immersing Tooth ette (short type) in Mouth
Wash and squeezing it slightly, insert the Tooth ette
into the posterior area of the oral vestibule and move
it toward the anterior direction while rotating it to clean
the vestibular mucosa and gingiva.