Sensodyne is a popular brand of toothpaste and other teeth products, especially aimed at people with sensitive teeth or gums. A Sensodyne coupon collection is available on our website Chameleonjohn.com.
Sensodyne is owned by GlaxoSmithKline. The origins of Sensodyne go back almost half a century in time. It was first synthesized by a New York based drug company named Block Drug in the late 1950s. It was distributed through the network of doctors and medical practitioners as a toothpaste that would numb the teeth and gums of people temporarily, giving them a relief from the condition. The active ingredient used in it was an unrevealed derivative of strontium chloride.
The formulation was continually developed to reduce the percentage of strontium chloride – a mildly radioactive compound.
In the early years of 1980s, a new formulation based on potassium nitrate was created at Block Drugs. This was the new look of Sensodyne that was safer, cheaper and more popular. Potassium nitrate, by virtue of being a mild local anaesthetic, was perfectly suited for this job.
In 2000, Block Drugs was acquired by GlaxoSmithKline for an undisclosed sum. Through this deal, the ownership of all brands under Block Drugs came to GlaxoSmithKline, among them Sensodyne, as well.
The way Sensodyne actually works
Sensodyne provides a great tooth care alternative for all people who have varying degrees of teeth and gum sensitivity issues. Sensodyne is just to be applied on teeth and gums for a while before brushing it away. It works within a short span of time and effects last for a long time.
Potassium nitrate (the same kind used in gunpowder) is the main active ingredient in Sensodyne toothpaste. Present in very miniscule percentages, potassium nitrate dissociate in the aqueous environment of user’s mouth. Thus, potassium ions are released. These ions de-polarize nerve endings around teeth and gums to make sure that the nerve don’t fire unnecessarily. The pain that is felt is only through misfiring of these nerve endings. Since that is taken care of, user can feel relief from the excessive sensitivity issues.
Strontium And Calcium Salts
Strontium and calcium salts present in Sensodyne toothpaste help fill the cavities and impart strength to teeth. These are often present in small percentages and help in filling of tubules in the dental tissues of the user.
This is the newest addition to Sensodyne family of toothpastes. Bioactive glass is a complex compound of calcium, silica and sodium. It readily fills any irregularities in teeth structure and form a glaze like surface that reduced the deterioration of teeth through acidic conditions.
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