Dentolabial consonant

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Dentolabial consonants are articulated with the lower teeth against the upper lip, the reverse of labiodental consonants. They are rare cross linguistically, but one allophone of Swedish /ɧ/ has been described as a velarized dentolabial fricative.

The diacritic for dentolabial consonants in the Extended IPA is a superscript bridge, [ ͆], by analogy with the subscript bridge used for labiodentals. For example, the voiced dentolabial fricative is transcribed as [v͆], and the dentolabial nasal as [m͆].