Arne Björk
Erik Arne Björk (22 December 1911 – 5 February 1996)[1] was a Swedish dentist famous for his The Face in Profile Analysis which he published in 1947. He is also known to develop the implant radiography.[2]
Education
Björk was born in Ludvika, Sweden.[1] He received his dental training in Stockholm. He practiced dentistry from 1937 to 1951. He served as chairman of orthodontics in Malmö, Sweden from 1940 to 1950. He then served as Professor of Orthodontics in Royal Dental College, Denmark. During his studying, he published his thesis called "Face in the Profile" which made him famous in the orthodontic circles.[3] Eventually, he became the head of Department of Orthodontics and head of Craniofacial Growth Center at the Royal Dental College for next 30 years. He was nominated as member of World Federation of Orthodontists in 1995.[4]
Implant Radiography
Björk was one of the first people to work on Implant Radiography.[5] He, along with his coworkers, placed metal pins in bones of jaws and other parts of the skeleton. They then looked at these pins in a Cephalometric Analysis to assess the growth pattern of a growing individual. This technique was instrumental in providing a way to study the grown pattern of a human mandible.[6] Previously to his work, the information about how rotation of jaws playing a role in growth of maxilla and mandible was under-appreciated. Björk, through his research, defined concepts of Forward Rotation and Backward Rotation of jaws.[6] He defined Forward Rotation of jaw where the posterior growth of maxilla and mandible is greater than the anterior and Backward Rotation as where the anterior growth of jaws is greater than the posterior areas.
Björk also developed seven structural signs that helped find the direction of the growth of the mandible, also known as Bjork Analysis.[5]
- Inclination of Condylar Head
- Curvature of Mandibular Canal
- Shape of Lower border of Mandible
- Inclination of Symphysis
- Interincisal Angle
- Intermolar or Interpremolar Angles
- Lower Anterior Facial Height
Awards and recognitions
- Honorary member of World Federations of Orthodontists
- Albert Ketcham Memorial Award - 1973
- Chairman of Orthodontic Department at Malmö, Sweden 1949-1950
- Orthodontic Professor at Royal Dental College, 1951-1981
- Sheldon Friel Memorial Lecture - 1980
References
- ^ a b Pindborg, Jens Jørgen; Harding, Merete. "Arne Björk". Dansk Biografisk Leksikon (in Danish) (3rd ed.). Gyldendal. Retrieved 16 May 2020.
- ^ Profitt, William. Contemporary Orthodontics.
- ^ Salzmann, J. A. (1948-08-01). "The face in profile; an anthropological X-ray investigation on Swedish children and conscripts: By Arne Bjork. From the State Institute of Human Genetics and Race Biology. Uppsala (Head: Professor Gunnar Dahlberg, M.D., LL.D.) 180 pages with 65 figures. Lund, Berlingska Boktryckeriet, 1947". American Journal of Orthodontics. 34 (8): 691–699. doi:10.1016/0002-9416(48)90083-9. ISSN 0002-9416.
- ^ "Honorary Members". World Federation of Orthodontists. Retrieved 15 August 2015.
- ^ a b Lager, H. (December 1971). "[Arne Björk 60 years]". Tandlægebladet. 75 (12): 1149–1156. ISSN 0039-9353. PMID 4946246.
- ^ a b von Bremen, Julia; Pancherz, Hans (2005-07-01). "Association between Björk's Structural Signs of Mandibular Growth Rotation and Skeletofacial Morphology". The Angle Orthodontist. 75 (4): 506–509. ISSN 0003-3219. PMID 16097217.
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