“…The number of styles of operations and their differences (counting also modifi cations with more or less pronounced differences) are often a subject of controversy discussed in scientifi c papers (4,5,6,7,8). The main discussion is focused on late results, i.e, on the infl uence on palate and facial growth (9,10,11), dentition (9), speech competence (9,12,13,14), and Eustachian tube function (15).…”