Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Primary dentition

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Primary dentition: The set of 20 first (deciduous) teeth. The primary dentition is as opposed to the secondary (permanent) dentition. At birth, both sets of dentition are evident by X-ray.