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The color of calculus varies, and may be grey, yellow, black or brown. [12] Tobacco: Tar in smoke from tobacco products (and also smokeless tobacco products) tends to form a yellow-brown-black stain around the necks of the teeth above the gumline. [12] Betel chewing. [13] Certain foods and drinks.
The clinical manifestation of mild dental fluorosis is mostly characterised a snow flaking appearance that lack a clear border, opaque, white spots, narrow white lines following the perikymata or patches as the opacities may coalesce with an intact, hard and smooth enamel surface on most of the teeth. [7]
Amalgam tattoo is a grey, blue or black area of discoloration on the mucous membranes of the mouth, typically on the gums of the lower jaw. It is a healthcare caused lesion, due to entry of dental amalgam into the soft tissues. It is common, painless, and benign, but it can be mistaken for melanoma
The result was black baby teeth. The author's daughter developed several cavities before her second birthday and underwent treatment to prevent more. The result was black baby teeth.
Tooth decay, also known as cavities or caries, [a] is the breakdown of teeth due to acids produced by bacteria. [6] The cavities may be a number of different colors, from yellow to black. [1]
It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface. Black hairy tongue can also be associated with the use of certain medications such as antibiotics, prolonged coffee/tea drinking habit, or ...
Your journey to brighter teeth just got a lot easier, thanks to this whitening kit. All you do is apply the gel to your teeth for 20 seconds, twice daily, and in a couple of weeks you should see a ...
The black-spotted whipray (Maculabatis astra) is a species of stingray in the family Dasyatidae, found in the coastal waters off southern New Guinea and northern Australia. Long thought to be a variant of the related brown whipray ( H. toshi ), this species has an angular, diamond-shaped pectoral fin disc and a whip-like tail without fin folds.