Italian classical music is difficult to do if everyone is singing a melody at the same time; thus, polyphony gave way to homophony, and early opera consisted of relatively simple melodies with texts about Greek mythology, sung in Italian and supported by simple harmonies. The important city in Italy in this development of music in the 16th century was Florence. (See also: Florentine Camerata, Vincenzo Galilei, Jacopo Peri, Palestrina, Arcangelo Corelli.) Besides Florence, two other Italian cities are particularly worthy of mention in the period around 1600. There is somewhat of a friendly rivalry between advocates of the two cities as to which
Peri-implantitis swelling and inflammation within soft tissues. Peri-implant mucositis has the ability to transform into peri-implantitis if no action is taken to reverse signs of peri-implant mucositis, similar to gingivitis and periodontitis. To reverse peri-implant mucositis, good oral hygiene must be performed regularly to remove plaque which initiated this disease. Peri-implant mucositis becomes peri-implantitis when bone resorption is identified around the implant on a radiograph as well as all the signs associated with peri-implant mucositis is seen. Often times, pus may also exude from the tissues surrounding the implant. However, mobility of the implant isn’t a sign of peri-implantitis as this