Sentence:  Finally, a position of almost <WSD>bidental</WSD> contact can be a paralinguistic voice qualifier or secondary articulation we should acknowledge as a "dentalization", that is, the articulation of vowels and consonants 'through one's teeth', which can make the labial kinesic component of normal articulation be still present and vary from lip rounding or protrusion with close front vowels to horizontal distension with close back vowels. 
Meaning of the word marked with <WSD> tags:  articulated with both the upper and lower teeth.