Italian opera "Dafne" by Jacopo Peri was the earliest composition considered opera, as understood today. Peri's works, however, did not arise out of a creative vacuum in the area of sung drama. An underlying prerequisite for the creation of opera proper was the practice of monody. Monody is the solo singing/setting of a dramatically conceived melody, designed to express the emotional content of the text it carries, which is accompanied by a relatively simple sequence of chords rather than other polyphonic parts. Italian composers began composing in this style late in the 16th century, and it grew in part from the long-standing
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