Duccio di Buoninsegna (Italian: [ËduttÊo di ËbwÉninËseÉ²É²a]; c. 1255â1260 â c. 1318â1319) was an Italian painter active in Siena, Tuscany, in the late 13th and early 14th centuries. He was hired throughout his life to complete many important works in government and religious buildings around Italy. Duccio is credited with creating the painting styles of Trecento and the Sienese school, and also contributed significantly to the Sienese Gothic style.
Headgear is typically used in growing patients to correct overbites by holding back the growth of the upper jaw, allowing the lower jaw to catch up.
To better understand why braces and other orthodontic devices are needed, it helps to talk a bit about the teeth first. As you made your way through childhood, your baby teeth fell out one by one, to be replaced by permanent, adult teeth. Although some people's adult teeth grow in at the right angle and with the right spacing, many people's teeth don't. Some teeth may grow in crooked or overlapping. In other people, some teeth may grow in rotated or twisted. Some people's mouths are too small, and this crowds the teeth and causes them to shift into crooked positions. And in some cases, a person's upper jaw and lower jaw aren't the same size.