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The aetiology of dental abrasion can be due to a single stimulus or, as in most cases, multi-factorial. [6] The most common cause of dental abrasion is the combination of mechanical and chemical wear. Tooth brushing is the most common cause of dental abrasion, which is found to develop along the gingival margin, due to vigorous brushing in this ...
Acid erosion is a type of tooth wear. It is defined as the irreversible loss of tooth structure due to chemical dissolution by acids not of bacterial origin. [ 1 ] Dental erosion is the most common chronic condition of children ages 5–17, [ 2 ] although it is only relatively recently that it has been recognised as a dental health problem. [ 3 ]
Tooth wear is predominantly the result of a combination of three processes; attrition, abrasion and erosion. [3] These forms of tooth wear can further lead to a condition known as abfraction , [ 3 ] where by tooth tissue is 'fractured' due to stress lesions caused by extrinsic forces on the enamel.
Wedge-shaped cervical lesions are commonly found in association with occlusal erosion and attrition. [9] Tooth wear is typically seen in the elderly and can be referred to as a natural aging process. Attrition, abrasion, erosion or a combination of these factors are the main reasons for tooth wear in elderly people who retain their natural teeth.
The primary use of dental implants is to support dental prosthetics (i.e. false teeth). Modern dental implants work through a biologic process where bone fuses tightly to the surface of specific materials such as titanium and some ceramics. The integration of implant and bone can support physical loads for decades without failure. [10]: 103–107
This article was the first to establish abfraction as a new form of lesion, differing from abrasion, attrition, and erosion. [ 2 ] Tooth tissue is gradually weakened causing tissue loss through fracture and chipping or successively worn away leaving a non-carious lesion on the tooth surface.
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