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The study aimed to experimentally determine the center of resistance of the upper first molar tooth. Using a macerated human skull, a thin layer of artificial periodontal ligament material was applied to the empty tooth sockets. A small metal plate was attached to the tooth to enable displacement measurements. A customized headgear was used to apply 700g of horizontal force at different points. Laser interferometry measured tooth movement. The force was applied so the traction line passed through the root t
- Author
- osama-alali
- Language
- EN