Mulberry molars are characteristic features of
Mulberry molars... I remember that they're a dental abnormality. Let me think. I think they're associated with congenital syphilis. Syphilis in a newborn can cause various symptoms, and one of them is the teeth being malformed. The teeth are called mulberry molars because their cusps resemble the fruit's shape.
Wait, let me confirm. Congenital syphilis is caused by the mother passing Treponema pallidum to the fetus. The disease leads to a variety of signs, including Hutchinson's triad: interstitial keratitis, eighth nerve deafness, and notched incisors (Hutchinson's teeth). But the molars here are called mulberry, which is different from the notched incisors. So the correct answer would be congenital syphilis.
Now, the incorrect options. Let's consider other conditions. For example, Down syndrome has other dental issues but not specifically mulberry molars. Hypoparathyroidism might cause dental hypoplasia, but not the same as mulberry. Scurvy? No, scurvy is due to vitamin C deficiency and causes different symptoms. So the options could be Down syndrome, scurvy, hypoparathyroidism, and maybe others. The question's options are A-D, but the correct answer is congenital syphilis.
For the explanation: Core concept is congenital syphilis's effect on tooth development. The correct answer is right because the infection disrupts enamel formation. The wrong options are incorrect because they don't cause this specific dental abnormality. Clinical pearl: Remember Hutchinson's triad and mulberry molars as key signs of congenital syphilis. Correct Answer: C. Congenital syphilis.
**Core Concept**
Mulberry molars are a classic **dental anomaly** caused by **congenital syphilis**, resulting from *Treponema pallidum* infection in utero. The malformation arises from **Hutchinson’s triad**, a hallmark of congenital syphilis, which also includes **notched incisors (Hutchinson’s teeth)** and **sensorineural deafness**.
**Why the Correct Answer is Right**
In congenital syphilis, *Treponema pallidum* infects the **developing enamel organ** of the fetus, disrupting normal **enamel and dentin formation**. This leads to **abnormally shaped molars** with a **mulberry-like appearance** due to irregular cusps. The condition is diagnostic of **congenital syphilis**, especially when combined with other clinical features like **interstitial keratitis** and **8th nerve deafness**.
**Why Each Wrong Option is Incorrect**
**Option A: Down syndrome** – Causes hypodontia and delayed eruption, not mulberry molars.
**Option B: Scurvy** – Leads to defective collagen synthesis, causing gingival bleeding and tooth mobility, not dental morphology changes.
**Option D: Hypoparathyroidism** – Causes hypocalcemia and enamel hypoplasia, but not the cusp abnormalities seen