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The nicotine and tar in tobacco, combined with oxygen, turns yellow and over time will absorb into the pores of enamel and stain the teeth yellow. The dark brown to black stains along the gum line of the teeth are the result of the porous nature of calculus immediately picking up the stains from nicotine and tar. Betel chewing. [12] Betel ...
In supravital staining, living cells have been removed from an organism, whereas intravital staining is done by injecting or otherwise introducing the stain into the body. The term vital stain is used by some authors to refer to an intravital stain, and by others interchangeably with a supravital stain, the core concept being that the cell ...
Thus a supravital stain may have a greater toxicity, as only a few cells need to survive it a short while. The term "vital stain" is used by some authors to refer specifically to an intravital stain, and by others interchangeably with a supravital stain, the core concept being that the cell being examined is still alive. As the cells are alive ...
We asked professionals about the best teeth whitening kits available—from easy pens to stay-put strips—that make brightening your smile practically seamless.
For a 100 percent vegan teeth whitening experience, try this kit, which comes with an LED light that connects to a universally fitting teeth tray, as well as syringes with a whitening gel that ...
The patients' age is not a limiting factor for the enamel microabrasion technique but in cases of not fully erupted teeth, it may be difficult to place rubber dam for the microabrasion process [8] Microabrasion is not indicated when discoloration is located in dentin such as in dentigenous imperfecta or tetracycline discoloration.
As a result, children's teeth generally decayed until they caused pain or infection and removal was required. At that time, the dentists tried to use only hand instruments to open and/or enlarge small cavities and selectively remove the decayed tissue, followed by the placement of a glass ionomer cement , an adhesive filling that also releases ...
The purpose of polishing is to remove extrinsic stains, remove dental plaque accumulation, increase aesthetics and to reduce corrosion of metallic restorations. [ 1 ] [ 2 ] Tooth polishing has little therapeutic value and is usually done as a cosmetic procedure after debridement and before fluoride application. [ 3 ]