9.2 Oral Hygiene, Denture Care, and Mouth Care for Unconscious Residents

Why Oral Care Is a High-Stakes INACE Skill

Oral hygiene keeps the mouth clean and is one of the strongest defenses against aspiration pneumonia — a leading infectious cause of death in nursing-home residents. Plaque-forming bacteria in a neglected mouth can be inhaled into the lungs, especially in residents with weak swallowing (dysphagia). On the INACE skills evaluation, mouth care for a conscious resident, mouth care for an unconscious resident, and denture care are each scored against their own checklist. Gloves are required for all three because of contact with saliva and possible blood from the gums.

Benefits at a Glance

Conscious Mouth Care

1. Wash hands, glove, identify the resident, explain, and give privacy.
2. Raise the head to Fowler's or semi-Fowler's (30-45°) so the resident can spit and not aspirate.
3. Brush all surfaces — outer, inner, and chewing — with a soft, moistened brush and a pea-sized amount of toothpaste.
4. Brush the tongue gently to remove odor-causing coating.
5. Have the resident rinse and spit into an emesis basin; offer mouthwash if allowed.
6. Apply lip moisturizer, lower the bed, place the call light, and document.

Unconscious Mouth Care — the Tested Differences

Unconscious residents cannot protect their own airway, so the technique changes in three critical ways.

1. Wash hands and glove.
2. Turn the resident to a side-lying (lateral) position with the head turned toward you so fluids drain out by gravity.
3. Place a towel under the cheek and an emesis basin at the chin.
4. Clean teeth, gums, tongue, and inner cheeks with a moistened sponge swab or soft brush — use minimal liquid.
5. Suction or wipe away excess fluid; never let liquid pool.
6. Apply lip balm, reposition, raise the rail per care plan, and document.

Three rules you must never break:

• Never pour water into the mouth — the resident cannot swallow and will aspirate.
• Never put your bare fingers between the teeth — a reflexive bite can injure you; use a padded tongue blade if you must hold the mouth open.
• Never lay the resident flat on the back for this skill — gravity would drive fluid toward the airway.

Denture Care

1. Glove and ask the resident to remove the dentures, or remove them gently grasping with a gauze square.
2. Line the sink with a towel or fill the basin with water so a dropped denture lands on a cushion — dentures are costly and crack easily.
3. Brush over the lined basin with a denture brush and denture cleaner; never use regular toothpaste, which is abrasive enough to scratch and dull the acrylic.
4. Rinse under cool or lukewarm running water — never hot, because heat warps the acrylic and ruins the fit.
5. Provide mouth care to the bare gums, tongue, and palate while the dentures are out.
6. Store dentures in a labeled cup with cool water or denture solution; never wrap them in a tissue (they get thrown away).

Frequency, Flossing, and Special Cases

Mouth care is provided at least twice a day for most residents, but residents who are NPO (nothing by mouth), on oxygen, mouth-breathing, or receiving tube feedings need it more often — sometimes every two hours — because their mouths dry out quickly and crack. A dry mouth (xerostomia) breeds bacteria and breaks down the protective mucosa, so frequent moistening is a comfort and infection-control measure, not a luxury.

Worked Example: Unconscious Mouth Care

A resident is unresponsive after a stroke and the nurse asks you to clean the mouth. You wash your hands and glove. You turn the resident onto the side facing you, tuck a towel under the cheek, and set an emesis basin against the chin. Using a barely-moist sponge swab, you wipe each tooth surface, the gums, the roof of the mouth, the inner cheeks, and the tongue, wiping toward the front so debris collects where it can drain. You never tip a cup of water in and you never let your fingers slip between the teeth; if the jaw clamps, you stop and use a padded tongue blade.

You blot the lips with balm, reposition the resident, raise the rail per the care plan, remove your gloves, wash your hands, and document what you saw. This single skill packs three of the most common test failures — pouring liquid, finger placement, and back-lying position — so the evaluator watches it closely.

Report to the Nurse

• Bleeding or swollen gums
• Mouth sores, ulcers, or white patches
• Loose, chipped, or broken teeth
• Dentures that pinch, rub, or no longer fit
• Persistent bad odor despite care, pain, or trouble swallowing