Three Steps to a Healthy Mouth

Like everyone else, people with developmental disabilities can have a healthy mouth if these three steps are followed:

  1. Brush every day.
  2. Floss every day.
  3. Visit a dentist regularly.

Step 1. Brush Every Day

Illustration of brushing teeth at an angle.
Angle the brush at the gumline and brush gently.

If the person you care for is unable to brush, these suggestions might be helpful.

  • First, wash your hands and put on disposable gloves. Sit or stand where you can see all of the surfaces of the teeth.
  • Be sure to use a regular or power toothbrush with soft bristles.
  • Use a pea-size amount of toothpaste with fluoride, or none at all. Toothpaste bothers people who have swallowing problems. If this is the case for the person you care for, brush with water instead.
  • Brush the front, back, and top of each tooth. Gently brush back and forth in short strokes.
  • Gently brush the tongue after you brush the teeth.
  • Help the person rinse with plain water. Give people who can’t rinse a drink of water or consider sweeping the mouth with a finger wrapped in gauze.

Get a new toothbrush with soft bristles every 3 months, after a contagious illness, or when the bristles are worn.

If the person you care for can brush but needs some help, the following ideas might work for you. You may think of other creative ways to solve brushing problems based on your client’s special needs.

Make the toothbrush easier to hold.

Illustration of a Velcro® strap holding a toothbrush.
The same kind of Velcro® strap used to hold food utensils is helpful for some people.
Illustration of a toothbrush attached to hand by elastic or rubber band.
Others attach the brush to the hand with a wide elastic or rubber band. Make sure the band isn’t too tight.

Make the toothbrush handle bigger.

Illustration of a tennis ball on the handle of a toothbrush.
You can also cut a small slit in the side of a tennis ball and slide it onto the handle of the toothbrush.
Illustration pf a toothbrush with a bicycle grip as the handle.
You can buy a toothbrush with a large handle, or you can slide a bicycle grip onto the handle. Attaching foam tubing, available from home health care catalogs, is also helpful.


Try other toothbrush options.
Illustration of a power toothbrush
A power toothbrush might make brushing easier. Take the time to help your client get used to one.

Guide the Toothbrush.

Help brush by placing your hand very gently over your client’s hand and guiding the toothbrush. If that doesn’t work, you may need to brush the teeth yourself.


Step 2. Floss Every Day

Flossing cleans between the teeth where a toothbrush can’t reach. Many people with disabilities need a caregiver to help them floss. Flossing is a tough job that takes a lot of practice. Waxed, unwaxed, flavored, or plain floss all do the same thing. The person you care for might like one more than another, or a certain type might be easier to use.

Illustration: Floss wrapped around middle finger of each hand

  • Use a string of floss 18 inches long. Wrap that piece around the middle finger of each hand.

Illustration of floss between the thumb and index finger of both hands.

  • Grip the floss between the thumb and index finger of each hand.
  • Start with the lower front teeth, then floss the upper front teeth. Next, work your way around to all the other teeth.

Illustration of a person flossing their teeth gently.

  • Work the floss gently between the teeth until it reaches the gumline. Curve the floss around each tooth and slip it under the gum. Slide the floss up and down. Do this for both sides of every tooth, one side at a time.
  • Adjust the floss a little as you move from tooth to tooth so the floss is clean for each one.

Try a floss holder.
Illustration of a floss holder.
If you have trouble flossing, try using a floss holder instead of holding the floss with your fingers.


The dentist may prescribe a special rinse for your client. Fluoride rinses can help prevent cavities. Chlorhexidine rinses fight germs that cause gum disease. Follow the dentist’s instructions and tell your client not to swallow any of the rinse. Ask the dentist for creative ways to use rinses for a client with swallowing problems.


Positioning Your Body: Where To Sit or Stand

Keeping people safe when you clean their mouth is important. Experts in providing dental care for people with developmental disabilities recommend the following positions for caregivers. If you work in a group home or related facility, get permission from your supervisor before trying any of these positions.

Illustration of a caregiver sitting behind a person in a wheelchair brushing the person's teeth.
If the person you’re helping is in a wheelchair, sit behind it. Lock the wheels, then tilt the chair into your lap.
Illustration of a caregiver standing behind a person in a wheelchair brushing the person's teeth.
Stand behind the person or lean against a wall for additional support. Use your arm to hold the person’s head gently against your body.


Step 3. Visit a Dentist Regularly

Your client should have regular dental appointments. Professional cleanings are just as important as brushing and flossing every day. Regular examinations can identify problems before they cause unnecessary pain.

As is the case with dental care at home, it may take time for the person you care for to become comfortable at the dental office. A “get acquainted” visit with no treatment provided might help: The person can meet the dental team, sit in the dental chair if he or she wishes, and receive instructions on how to brush and floss. Such a visit can go a long way toward making dental appointments easier.

Prepare for Every Dental Visit: Your Role

Be prepared for every appointment. You’re an important source of information for the dentist. If you have questions about what the dentist will need to know, call the office before the appointment.

  • Know the person’s dental history. Keep a record of what happens at each visit. Talk to the dentist about what occurred at the last appointment. Remind the dental team of what worked and what didn’t.
  • Bring a complete medical history. The dentist needs each patient’s medical history before treatment can begin. Bring a list of all the medications the person you care for is taking and all known allergies.
  • Bring all insurance, billing, and legal information. Know who is responsible for payment. The dentist may need permission, or legal consent, before treatment can begin. Know who can legally give consent.
  • Be on time.


Brushing and flossing every day and seeing the dentist regularly can make a big difference in the quality of life of the person you care for. If you have questions or need more information, talk to a dentist.

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