Deletion of Dental LED lamp

Comment: Promotional, excessive detail with a hint of . The first few sections are just about Light/Optics, Visual perception and Colorimetry in general. And then the promotionalism kicks in like an infomercial. The actual concept of dental LED lamps ''might'' deserve a slight mention at Dental engine ("Dental engines are sometimes equipped with lamps."), but even that's a stretch. '''野狼院ひさし
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)