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Tooth bud isolation: (A) Exposed 6-month-old porcine mandibular M3 and M4 molar tooth buds in the jaw; (B) an isolated M3 tooth bud; (C) an M3 molar tooth bud dissected into enamel organ tissue (EO), calcified tooth cusps (TC) and dental papilla (DP) tissue; (D) an intact M4 molar tooth bud; (E) dissected M4 molar tooth EO; (F) DP tissues.
