INBDE (Integrated National Board Dental Examination) Practice Exam

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What does CaOH stimulate?

Secondary odontoblasts
Primary odontoblasts
Cementoblasts
Osteoblasts

The correct answer is: Secondary odontoblasts

Calcium hydroxide (CaOH) is a commonly used material in dentistry for vital pulp therapy. When CaOH is applied to the pulp tissue, it stimulates the differentiation and activation of secondary odontoblasts. Secondary odontoblasts are responsible for the formation of reparative dentin, which helps to protect and insulate the pulp tissue in response to injury or irritation. This process aids in the repair and preservation of the pulp-dentin complex. While cementoblasts are responsible for bone formation on the surface of the roots of teeth, and osteoblasts are responsible for bone formation in the body, they are not specifically stimulated by calcium hydroxide in the same way that secondary odontoblasts are. Primary odontoblasts are the original layer of odontoblasts responsible for forming primary dentin during tooth development, but they are not the primary target of stimulation by CaOH in vital pulp therapy.