The dental fricative or interdental fricative is a fricative consonant pronounced with the tip of the tongue against the teeth.[1] There are several types (those used in English being written as th):
^Zhao, Sherry Y. (18 October 2010). "Stop-like modification of the dental fricative /ð/: An acoustic analysis". The Journal of the Acoustical Society of America. 128 (4): 2009–2020. doi:10.1121/1.3478856. PMC2981115. PMID 20968372.
^ ab"The English "th"". Learn EN - Archive. Retrieved 2019-04-10.