Light Lingual Brackets With their Reduced Size and Rounded Contours, The Light Lingual brackets (STB Mini Invisible Brackets) are designed to provide maximum patient comfort. The light-force mechanics of the Light Lingual System are designed to decrease the stress of dental movement, making treatment far more gentle to the tissues for added comfort. Upper and Lower pink gingivae, articulated, with STB Lingual Brackets ( Mini Invisible Brackets ) Installed. These lingual braces are Applied Behind the Teeth on the Tongue Side. Aesthetic Lingual Approach. Lingual Brackets Philosophy came to life with the spirit to improve the quality and comfort of Orthodontic treatment, allowing dentist to reach maximum Occlusion aims, functional and aesthetic. The STB Light MINI Lingual Bracket lets the patient forget he is wearing a fixed appliance, when he looks in the mirror, when he speaks or cleans his teeth. Wire not installed