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The appearance and perception of a tooth is the result of a complex interaction of factors such as lighting conditions, translucency, opacity, light scattering, gloss and the human eye and brain. [5] Of these, the intrinsic pigmentation of a tooth is the most influential, [4] which in turn is determined by genetic and natural factors. [6]
Baking soda is a safe, low abrasive, and effective stain removal and tooth whitening toothpaste. [43] Tooth whitening toothpaste that have excessive abrasivity are harmful to dental tissue, therefore baking soda is a desirable alternative. [43] To date, clinical studies on baking soda report that there have been no reported adverse effects. [43]
In dental enamel, fluorosis causes subsurface porosity or hypomineralizations, which extend toward the dentinal-enamel junction as the condition progresses and the affected teeth become more susceptible to staining. Due to diffusion of exogenous ions (e.g., iron and copper), stains develop into the increasingly and abnormally porous enamel. [7]
Teeth whitening products can sometimes be a hit or miss, but there's a lot to love about the MySmile Teeth Whitening Pen, which pledges to get rid of stains from smoking, coffee, and wine.
Mees' lines can look similar to injury to the nail, which should not be confused with true Mees' lines. [1] Mees' lines appear after an episode of poisoning with arsenic, [2] thallium or other heavy metals or selenium, [3] opioid MT-45, and can also appear if the subject is suffering from kidney failure. [4] They have been observed in ...
Working in small sections, scrub the grout lines using firm pressure. Rinse frequently with clean water to remove loosened dirt and eraser residue. Continue working in sections until all grout is ...
Beau's lines should also be distinguished from Mees' lines of the fingernails, which are areas of discoloration in the nail plate. As the nail grows out, the ridge in the nail can be seen to move upwards until it reaches the fingertip. When it reaches this point the fingertips can become sore for a few days as the nail bed is exposed by the ...
The FDA has banned red dye No. 3, as the synthetic additive is known to cause cancer. Nutritionists Ilana Muhlstein and Robin DeCicco discuss what this means for American health.