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.
Removable orthodontic appliances. 1  Headgear is a type of orthodontic appliance that puts pressure to the upper teeth and upper jaw to guide the direction of upper jaw growth and tooth eruption. Rubber bands are hooked to the braces and connected to a strap worn around the head.