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Plaque and calculus deposits are a major etiological factor in the development and progression of oral disease. An important part of the scope of practice of a dental hygienist is the removal of plaque and calculus deposits. This is achieved through the use of specifically designed instruments for debridement of tooth surfaces.
Unlike other parts of the body, tooth surfaces are uniquely hard and non shedding. Therefore, the warm and moist environment of the mouth and the presence of teeth, makes a good environment for growth and development of dental plaque. [13] The main ecological factors that contribute to plaque formation are pH, saliva, temperature and redox ...
The primary cause of enamel wear in the grooves is the direct mechanical forces applied during chewing, such as vertical pressure and lateral forces as teeth grind or shear food. Particularly in areas where food is more frequently trapped or where contact is poor, the continuous friction between the food and the tooth surface causes abrasion ...
However, the position on the crown, the tooth type and the cause of the disruption are all likely contributing factors. It has been suggested that because it is relatively rare to have both linear enamel hypoplasia and PEH, these types of defects may be commonly caused by different factors.
Tooth eruption may be altered by some environmental factors. When eruption is prematurely stopped, the tooth is said to be impacted. The most common cause of tooth impaction is lack of space in the mouth for the tooth. [70] Other causes may be tumors, cysts, trauma, and thickened bone or soft tissue.
Turner's hypoplasia or Turner's tooth is a presentation of enamel hypoplasia that normally affects only a single tooth. Its causes can be the same as other forms of enamel hypoplasia, but it is most commonly associated with trauma to a primary maxillary central incisor and the subsequent developmental disturbance of the underlying permanent ...
Constipation is one of the main causes. “Hemorrhoids are blood vessels, ... having one is a complex process that requires coordination of multiple body parts and processes, explains Chung ...
One of the physical changes can be the colour of teeth. Dental erosion can lead to two major tooth colour change – the first being a change of colour that usually happens on the cutting edge of the central incisors. This causes the cutting edge of the tooth to become transparent. [17] A second sign is a yellowish tint on the eroded tooth.