WNT signaling dysregulation can lead to which tooth number variations?

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Multiple Choice

WNT signaling dysregulation can lead to which tooth number variations?

Explanation:
WNT signaling levels regulate how many teeth form by directing the initiation of tooth germs during development. When this pathway is not properly regulated, the tooth count can change: reduced signaling can lead to agenesis (missing teeth), while increased or misregulated signaling can cause extra tooth germs to form, producing supernumerary teeth. This is why dysregulation of WNT signaling is linked to both missing teeth and extra teeth. Changes in color or eruption timing arise from other factors, not the primary effect of WNT pathway dysregulation on tooth number.

WNT signaling levels regulate how many teeth form by directing the initiation of tooth germs during development. When this pathway is not properly regulated, the tooth count can change: reduced signaling can lead to agenesis (missing teeth), while increased or misregulated signaling can cause extra tooth germs to form, producing supernumerary teeth. This is why dysregulation of WNT signaling is linked to both missing teeth and extra teeth. Changes in color or eruption timing arise from other factors, not the primary effect of WNT pathway dysregulation on tooth number.

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