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Left (a–c) and right (d) M2 of domestic pigs and left M2 of wild boar (e,f) in lingual (a–c,e,f) or buccal (d) view. Different types of hypoplastic enamel defects are shown in a–d and f; e: control tooth. D = depression-type defects, L = linear (furrow-type) defects, P = pit-type defects, * = plane-type defects. Magnification approximately 2.5×.
