Improving oral health in nursing home residents: A cluster randomized trial of a shared oral care intervention.

Objectives: To compare a designated shared oral care intervention in a group of public nursing home residents with a standard oral care programme, focusing on levels of oral plaque and oral inflammation.

Methods: A cluster randomized field trial was undertaken in 14 Danish public nursing homes. There were 145 participants included in the intervention group and 98 in the control group.