A patient reports memory lapses and difficulty organizing daily tasks, but remains independent. What stage of Alzheimer's disease does this represent?

Correct answer: C. Mild (early stage)

• A. Preclinical disease has biomarker changes without any clinical symptoms.
• B. Severe stage involves loss of verbal communication and total dependence for care.
• C. Correct. Mild-stage Alzheimer's features memory lapses, word-finding difficulty and impaired organization while independence is preserved. Dentally, this is the window to complete comprehensive treatment and establish preventive routines.
• D. Moderate stage brings significant assistance needs, behavioral changes and inability to manage daily hygiene.