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Abfraction or Theory of Abfraction is a theory explaining the non-carious cervical lesions. It suggests that they are caused by flexural forces, usually from cyclic loading; the enamel, especially at the cementoenamel junction, undergoes this pattern of destruction by separating the enamel rods.
Printed dictionaries and other books with definitions for Abfraction
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Textbook of Orthodontics (2004)
Abfraction is a wedge-shaped defect limited to cervical area of the teeth. It may resemble cervical abrasion or erosion. Such lesions often involve the facial surface of mandibular dentition and are seen as deep, narrow and V-shaped. Often ...
by Yu Yan
Abfraction is a term used in dentistry to describe the destruction of the enamel essentially due to cyclic loads (fatigue), produced during swallowing or chewing. In the areas of the tooth more prone to stress concentration, fracture of the ...
Dentistry, Dentistry by Cram101 Textbook Reviews
Abfraction: Abfraction is a theory explaining the noncarious cervical lesions ...
Therapy in Sleep Medicine (2011)
by Teri J. Barkoukis, Jean K. Matheson, Richard Ferber, Karl Doghramji
If the torque is buccal, there is a shearing of the enamel tooth structure called an abfraction.13 An abfraction is a shiny, smooth, scooped out gouge on the outer surface of a tooth, usually in the premolar and molar teeth, caused by rocking ...
by Cram101 Textbook Reviews
Abfraction: Abfraction is a theory explaining the noncarious cervical lesions ( NCCL). It suggests that they are caused by flexural forces; the enamel, especially at the cementoenamel junction (CEJ), undergoes this pattern of destruction by ...
by Dorothy A. Perry, Phyllis L. Beemsterboer, Gwen Essex
Abfraction is a term used to describe cervical V- or wedge-shaped lesions that are generally located apical to the cementoenamel junction in incisors and premolars. These lesions can be located on a single tooth or on nonadjacent teeth and ...
by Cram101 Textbook Reviews
Abfraction: Abfraction is a theory explaining the noncarious cervical lesions ( NCCL). It suggests that they arecausedby flexural forces; the enamel, especially at the cementoenamel junction (CEJ), undergoes this pattern of destruction by ...
by Simon Felton, Alison Chapman
Abfraction is a contentious issue within the dental profession, as many highly qualified dental professionals dispute it is a separate condition. Figure 6.5 Abfraction (From Hollins, C. (2013). Reproducedwithpermission of John Wiley& Sons ...
Textbook of Oral Medicine (2005)
CAUSES AND MECHANISM It has been suggested that the stress lesion or abfraction is a consequence of eccentric forces on the natural dentition. The theory propounds tooth fatigue, flexure and deformation via biomechanical loading of the ...
Physical, Chemical and Biochemical Influences by Ralph M. Duckworth
Abfraction is a slightly more controversial tooth wear mechanism [7–8]. This is defined as the loss of hard tissue near to the cervical margin due to crack growth caused by the interaction of a number of mechanisms.
A Dictionary of Dentistry (2010)
by Robert Ireland
Abfraction Further Reading: Bartlett D. W., Shah P. A critical ...
by Elizabeth Martin
abfraction. n. notching at the neck of a tooth, caused by stress on teeth when the bite is not properly aligned and the teeth begin to flex. It results in separation of the enamel from the dentine.
Mosby's Dental Dictionary (2007)
abfraction(abfrak ́sh n),na mechanism thatexplains the loss ofdentin tissueand toothenamel caused by flexure and ultimate material fatigue of susceptible teeth at locations away fromthe point ofloading.
by Donald Venes, MD
abfraction (ab”frak'sh6n) [ab- + fraction] A wedge-shaped area in the region of the cementoenamel junction of the tooth ...
by Thomas Lathrop Stedman
by Mosby, Inc
See also abrasion, attrition, erosion, abfraction. profuse sweating.
Mosby's Medical Dictionary (2016)
See abrasion, abfraction, erosion. 3. a reduction in the number of participants in a study or program of study that happens when individuals withdraw or are dismissed. -ature, noun-forming combining form: ligature, tubulature. at. wt., ...
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Scrabble value of A1B3F4R1A1C3T1I1O1N1
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