Adbhutasagara 48.198

48.198

tathā|
tasya cennakhā vītamāṃsaśoṇitāḥ pakvajāmbuvarṇā vā syuḥ parāmuriti vindyāt|
tathā puṣpāṇi nakhadanteṣu pakvo vā dantasaṃśritaḥ|
cūrṇakaścoṣṇadanteṣu lakṣaṇaṃ maraṇasya tat||

Likewise:
“And if his nails are devoid of flesh and blood, or have the color of a ripe jambu fruit, one should know that his life is gone.”
Likewise: “Spots on the nails and teeth, or a ripe deposit adhering to the teeth,
and powder on warm teeth, that is a sign of death.”