Dental Maturity in Saudi Children Using the Demirjian Method: A Comparative Study and New Prediction Models

Table 8

Cubic equations for boys and girls.

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𝑌=−7.424+0.741𝑥−0.013𝑥²+0.00007863𝑥³ (males)

𝑌=−8.269+0.757𝑥−0.013𝑥²+0.00007782𝑥³ (females)

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𝑌 is age, and 𝑥 is maturation score.