Charak Samhita
अस्थिश्वेता द्विजा यस्य पुष्पिताः पङ्कसंवृताः। विकृत्या न स रोगं तं विहायारोग्यमश्नुते ॥१३॥
॥ Incurable signs on teeth॥ A patient having morbid conditions like appearance of bony white teeth, white flower shaped spots and mud like appearance over teeth cannot recover from the disease.
english translation
asthizvetA dvijA yasya puSpitAH paGkasaMvRtAH। vikRtyA na sa rogaM taM vihAyArogyamaznute ॥13॥
hk transliteration by Sanscript