Which of the Following Statements About Oral Health Is FALSE

Which of the following statements about oral health is FALSE?

A) Although not life-threatening, dental diseases have a detrimental effect on quality of life in childhood through to old age.
B) The elderly, particularly those with metabolic syndrome, are at increased mortality risk if their chewing ability is compromised.
C) Consumption of certain foods such as unrefined plant foods, milk, cheese and tea, can help prevent the development of dental caries.
D) Dietary fluoride principally from drinking water can protect against dental caries because it stimulates the flow of saliva which promotes the teeth remineralisation.
E) Periodontal disease, which is an oral infection, may result from impaired immune function caused by malnutrition and possibly by dysbiosis of the oral microbiota.