正畸开口正位像最佳对焦点的研究

李丽华¹，孙波²，何燕³，陈定根¹，宴燕¹，米方林¹

Research on Best Focus Point of Intraoral Occlusal Photography for Orthodontics

LI Li-hua^{1^{, Sun Bo^{2^{, HE Yan^{3^{, CHEN Ding-gen^{1^{, YAN Yan^{1^{, MI Fang-lin¹}}}}}}}}}}

中国医疗设备 . 2017, (1): 90 -92 . DOI: 10.3969/j.issn.1674-1633.2017.01.024