Correlation Between Knowledge, Attitude and Practices of Caregivers and Oral Health Status of Alzheimer's Disease Patients

Inclusion Criteria for caregivers: * all primary caregivers serving Alzheimer's disease patients. Inclusion criteria for Alzheimer's disease patients : \* all patients whose medical condition allows for an oral examination Exclusion Criteria for caregivers: * caregivers who are not directly involved in the daily care * caregivers who refuse to participate in the study Exclusion criteria for Alzheimer's disease patients : * patients with deteriorated medical condition that do not permit clinical examination.