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Abfraction is a form of non-carious tooth tissue loss that occurs along the gingival margin. [2] In other words, abfraction is a mechanical loss of tooth structure that is not caused by tooth decay, located along the gum line. There is theoretical evidence to support the concept of abfraction, but little experimental evidence exists. [3]
Abnormal tooth position, such as tooth crowding, giving inadequate cover of one or more teeth by the jaw bone. [1] Piercings in the lip or tongue that wear away the gum by rubbing against it. [8] [9] Intentional gingival retraction. For example, the adult tooth may not grow out of the gum, and to remedy this, a procedure called an exposure is done.
In humans, the upper canine teeth (popularly called eye teeth, from their position under the eyes [1]) are larger and longer than the lower, and usually present a distinct basal ridge. Eruption typically occurs between the ages of eleven and twelve years for upper canines and between nine and ten years for lower canines.
The dog then causes further trauma to the skin by itching and rubbing at the area, leading to a secondary bacterial infection." Acute moist dermatitis: Symptoms A patch of moist, inflamed skin ...
Teeth play a vital role in an animal's survival; they are used for eating, grooming and defense. [2] [5] Each tooth is made up of a crown, which is above the gum line and covered in enamel, and roots that anchor the tooth to the alveolar bone. [2] [6] Beneath the enamel, there are collagen fibres and inorganic hydroxyapatite, which together ...
No one can stand in Ohio State's way if the Buckeyes keep playing like this. The No. 8 Buckeyes absolutely throttled No. 1 Oregon in the first half on the way to a 41-21 Rose Bowl win on Wednesday ...
Munim Raghid, 26, of Ronkonkoma, was first nabbed on an animal cruelty charge in December for allegedly starving one of his dogs until it became emaciated, according to the Suffolk County DA’s ...
The mandibular notch can be found in other mammals, such as dogs and cats. [1] There can be significant variation in its shape even within the same species. [3] Archaeological evidence shows that the mandibular notch is different in other hominidae, such as neanderthals, and may be asymmetrical.