During proper articulation of the "S" sound, which of the following BEST describes the relationship of the incisal edges of the maxillary and mandibular incisors for the majority of patients?
A . Maxillary and mandibular incisors lightly touch each other
B . Maxillary and mandibular incisors closely approximate each other
C . Incisal edges lightly rest on the superior and anterior borders of the tongue
D . Incisal edges may be in a variety of relationships depending on the individual
Answer: B