Complex sentence: Acta Med. Acad.2013; 42 (1): 55-60 There are two types of prosthesis: the speech bulb and the palatal lift prosthesis.
Split into simpler sentences: Acta Med. Acad.2013; 42 (1): 55-60 There are two types of prostheses. One called the speech bulb and the other one the palatal lift prosthesis.