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Which dental condition requires evaluating notched or pegged teeth?

  1. Hypoplasia

  2. Excisional biopsy

  3. Hutchinson's teeth

  4. Frenectomy

The correct answer is: Hutchinson's teeth

The identification of Hutchinson's teeth is linked to congenital syphilis, a disease that can have a significant impact on dental health. These teeth are characterized by their unique shape, often appearing notched or peg-like, particularly affecting the incisors. The distinctive morphology results from the effects of syphilis on the developing teeth during fetal growth, which disrupts normal enamel formation. In contrast, hypoplasia refers to the underdevelopment or incomplete development of enamel, which can lead to various types of enamel defects but does not specifically involve the characteristic notched or pegged shape seen in Hutchinson's teeth. An excisional biopsy is a surgical procedure used to remove tissue for pathological examination, and does not relate directly to the evaluation of tooth form. A frenectomy involves the surgical removal of tissue connecting the lip or tongue to the gum, which also does not pertain to tooth morphology. Thus, when examining dental conditions associated with notched or pegged teeth, Hutchinson's teeth is the most relevant condition, highlighting the importance of identifying specific dental abnormalities linked to systemic diseases.