title: Head positioning error in cephalometric radiography--an implant study.
abstract: An experimental quantification of changes in position of cephalometric images caused by variation in head rotation in successive radiographs.
authors.forename: J L
authors.initials: JL
authors.lastname: Spolyar
mesh_terms: D002508:Cephalometry / Q000379:methods / Q000592:standards*; D006257:Head / Q000033:anatomy & histology*; D006801:Humans; D008348:Manikins; D011187:Posture; D019736:Prostheses and Implants; D013635:Tantalum
chemical_list: D013635:Tantalum