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1. Active articulators:
They are mobile hence they are also referred to as lower articulators. They include:
o The lower lip
o The lower front teeth
o The tongue (The parts of the tongue are the apex-tip of the tongue, the blade, the
body of the tongue or the dorsum and the radix or root of the tongue)
2. Passive articulators
They are immobile hence they are also referred to as upper articulators. They include;
o The upper lip
o The upper teeth
o The alveolar ridge
o The hard palate
o The velum
o The uvular
francis1897 answered the question on August 23, 2022 at 07:30