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There are multiple randomised controlled trials that have shown the Hall Technique to be superior to other methods for managing decay in baby teeth, [1] but there is a lack of evidence to conclude that the Hall Technique is superior to placing preformed metal crowns in a conventional manner. [2]
Democratic backsliding [a] or autocratization is a process of regime change toward autocracy in which the exercise of political power becomes more arbitrary and repressive. [7] [8] [9] The process typically restricts the space for public contest and political participation in the process of government selection.
In some cases of pulp necrosis there is a yellow, grey or brown crown discolouration. Dark coronal discoloration is believed to be an early sign of pulp degeneration. [16] Teeth with said discolouration need to be treated with special care and further investigations are required before pulp necrosis can be diagnosed. [11]
Teeth are markedly discoloured (brown opalescent). The crowns are very short due to severe attrition. Crowns may appear bulbous with prominent constriction at the CEJ. Radiographically, pulp appears large and the dentine layer is thin ("shell teeth" as described in Presentation section). Roots are thin and short.
Urban decay is a process by which a city or a part of a city falls in to a state of disrepair. Signs of urban decay include population decline, overpopulation, housing stock deterioration, and increases in crime.
The rate increases dramatically in tropical climates. The first external sign of putrefaction in a body lying in air is usually a greenish discoloration of the skin over the region of the cecum, which appears in 12–24 hours. The first internal sign is usually a greenish discoloration on the undersurface of the liver.
When extracting lower wisdom teeth, coronectomy is a treatment option involving removing the crown of the lower wisdom tooth, whilst keeping the roots in place in healthy patients. This option is given to patients as an alternative to extraction when the wisdom teeth are in close association with the inferior alveolar nerve , and so used to ...
Signs in radiographic imaging will indicate a bend in the tooth's root as opposed to a straight growth. [1] Dilaceration of the crown, the top part of the teeth that we see when we smile, can be visually seen for diagnosis. Crown dilaceration will present itself as a tooth that is angled to face outward or inward.