This mum discovered a hole in the roof of her baby
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Man with a hole in the roof of his mouth due to Wegener's granulomatosis : r/WTF
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Is it bad that I have a couple tiny holes in the roof of my mouth that I can suck air through? - Quora
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How babies with cleft lip, palate got lifeline, freed from years of stigma, pain - Punch Newspapers
Alleged 'hole' in baby's mouth revealed to be sticker, mom says
A Dentist Sees More Cracked Teeth. What's Going On? - The New York Times