ULTRA FINE BRISTLES : The GUM Summit+ extra soft toothbrush features unique tapered bristles that reach deep into crevices between the teeth and GUM s to remove plaque that other toothbrushes leave behind. MORE EFFECTIVE CLEAN : The ultra tapered, bi-level bristles on the Summit+ manual toothbrush are clinically proven to clean up to 4x deeper below the GUM line and 6x better along the GUM line compared to standard round-ended bristles.* COMPACT SOFT : Our soft bristle toothbrush comes with a compact head size for easy maneuverability and soft bristles that are tough on plaque but gentle on enamel and gums. ERGONOMIC HANDLE : Each Summit+ adult toothbrush features an ergonomically designed easy-grip handle for comfortable and effective brushing. HEALTHY STARTS HERE : Research continues to show the connection between oral health and overall health. The GUM brand is committed to providing innovative oral care products that make between teeth cleaning accessible for everyone.