A cleanser with improved latent grime detection may feature a dye combined with an active cleaning agent. The dye may be UV reflective or may be visibly seen by the naked eye. The cleanser may be applied in any conventional or later discovered method, including direct spray, flooding, or a saturated towelette. Use is contemplated primarily in medical and dental fields, but the cleansers may be utilized in any environment where hard surfaces require periodic cleansing.

A prophy angle system includes a the prophy angle, a hand piece configured to drive a central shaft within the prophy angle, means within the hand piece for advancing at least one push rod from a distal end of the hand piece, and a paste cartridge configured to fit within the cavity of the prophy angle without interfering with rotation of the central shaft, the cartridge including a plunger positioned at a proximal end of the cartridge such that when the at least one push rod pushes against the plunger in a distal direction, paste may be dispensed distally through the cavity in the prophy angle and into the prophy cup.