Bonwill triangle
The Bonwill triangle (also: Bonwill's triangle ) is an imaginary triangle in dentistry , the corner points of which are formed by the lower incisal point (contact point of the lower central incisors 31 and 41) and the centers of the two lower jaw condyles . This triangle is usually equilateral and its side averages about 10.5 cm. The Balkwill angle is located between the Bonwill triangle and the occlusal plane . It is approx. 20-25 °.
The Bonwill triangle was named after the physician William Gibson Arlington Bonwill (1833-1899). In 1873 he was honored for his work at the Franklin Institute of Philadelphia .
use
The Bonwill triangle is one of the design features of medium-value articulators . To determine the individual Bonwill triangle one patient one will face bow used.
literature
- Dental prosthetics , Karlheinz Körber, 3rd edition, Thieme, 1985 Stuttgart: pp. 18, 24
- Dental, oral and maxillofacial medicine - Volume 3 Prosthetics and Material Science , Norbert Schwenzer (Ed.), Thieme, 1982: p. 289
