Dismantling Tartar: Why Toothpaste Cannot Remove It
Sandpaper Against a Two-by-Four
Conventional toothpaste has exactly one ingredient capable of dismantling tartar: abrasive particles. Using them against a hardened deposit is like taking a sheet of sandpaper to a two-by-four. It is possible, in principle. It would take months of uninterrupted sanding.
You already know this works poorly because you have evidence of it twice a year. You brush faithfully, possibly with a tartar-control toothpaste, and your hygienist still spends the appointment scaling deposits off your teeth with metal instruments and an ultrasonic scaler.
Tartar-control toothpastes are honest about this if you read them closely. They claim to slow down new buildup. None of them claims to remove what’s already there.
Why Is the Material So Tough?
The scaffolding inside tartar is made of biopolymers – DNA, protein, and sugar chains on mucins. These are the fundamental building materials of living systems, and they are chemically rugged in a way that is easy to underestimate.
Consider what happens when you cook. Vegetables soften. Meat falls off the bone. But the biopolymers themselves survive intact – cooking unfolds and loosens them without breaking their chemical backbones. Breaking those bonds outright takes boiling them in concentrated acid or caustic alkali. Neither of which belongs in your mouth.
How Biology Solves It
Your body faces this same problem three times a day, because food is made of the same biopolymers. Its solution is not chemistry but catalysis: the pancreas secretes enzymes that cleave each type of biopolymer at body temperature and neutral pH, safely, in minutes.
Tartarase applies that solution to tartar. It uses two digestive enzymes – one that cuts DNA, one that cuts protein – to sever the scaffold holding the deposit together, so that it loosens and comes away during ordinary brushing.
The Part That Is Genuinely Difficult
We think it is worth explaining the hard part rather than glossing over it. Enzymes evolved to work in liquid, where both the enzyme and its target drift freely and collide constantly. Tartar is a solid. It presents only its outermost surface, and only bonds that happen to sit at that surface in the right orientation can be cut. Every enzyme molecule not in contact with that surface is doing nothing.
This is a practical consequence: the formulation must remove more tartar in each use than accumulates between uses. Get that balance right, and the deposit progressively retreats. Get it wrong, and nothing visible happens.
That balance is what the clinical trial tested – and over four weeks of ordinary twice-daily brushing at home, the tartar receded.