@misc{indiciae51d714b11da6, title = {[Model developments for calculating force systems for orthodontic treatment elements].}, author = {D Freudenreich and C Bourauel and D Kobe and D Drescher and B Nellen}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9517239/}, note = {Source identifier: 9517239} }