Dental intrinsic green pigmentation from primary to mixed dentition: clinical and histological findings

Authors:

ABSTRACT

Aim

The aim of this report is to present a case of a child with green pigmentation of the primary dentition caused by bilirubin
elevation due to choleostasis during neonatal life, and the 5-year follow-up. CASE REPORT: The case presented initially with bands of
green pigmentation of all primary teeth in a pattern that followed the time of their calcification, with those formed earlier being more
severely affected. Fading of the green pigmentation was detected during the follow-up, while erupted lower permanent incisors were
normal. Histological findings of an exfoliated primary incisor showed a green line at the enamel-dentine junction with the external
surface of the dentine showing a band of variable width and irregularly arranged tubules.

Conclusion

Bilirubin green pigmentation
of primary teeth follows a chronological pattern and its intensity fades with time. Overlying enamel in affected areas may appear
thinner.

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