8-year-old child — how many primary and permanent teeth are typically present (mixed dentition)?

Correct answer: A. 12 primary and 12 permanent

• A. Correct, per the typical mixed dentition stage at age 8 — a combination of remaining primary teeth and erupted permanent teeth, consistent with the standard eruption timeline (permanent incisors and first molars typically erupted by this age, premolars and canines still to come).
• B. By age 8, several permanent teeth have already erupted (e.g., first molars, central/lateral incisors), so having zero permanent teeth would be atypical.
• C. By age 8, several primary teeth (canines, primary molars) typically remain since their permanent successors have not yet erupted.
• D. This distribution does not match the typical mixed dentition pattern for an 8-year-old.