A cross-sectional study to assess the relation between the knowledge, attitude and practices or caregivers of Alzheimer's disease patients and the oral health status of these patients.

A cross-sectional study to assess knowledge, attitude and practices of care givers of Alzheimer's disease patients using a questionnaire as a tool and evaluating the oral health status of these patients by recording DMF scores and simplified oral hygiene index in order to assess if there is any correlation between those two variables

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.

for caregivers: all employed caregivers in the center involved. in the care of Alzheimer's disease patients .

for Alzehimer's disease patients: all Alzheimier's disease patients residing in the center.