The Digital Smile Design protocol according to Dr. Christian Coachman requires at least six basic photographs, which will let you plan your case.

Shenyang China, Dec 19, 2016 – Zhongyi Optics (ZY Optics) has released a new compact Super Macro Lens for full-frame cameras; the Zhongyi Mitakon 20mm f/2 4.5x Super Macro Lens, and it features a high reproduction ratio up to 4.5:1.