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KMID : 0380319710070000111
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Journal of Korean Research Institute for Better Living
1971 Volume.7 No. 0 p.111 ~ p.120
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An Observation of Wedge-shaped Abrasion Among College Girls
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Abstract
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An observation of wedge-shaped abrasion(so-called V-Shaped abrasion) of some Korean college gils was carried out as a step of routine dental examination.Abrasion of teeth is getting serious by improper toothbrushing.Cervical portions(neck) of the teeth- labial sites of the upper and lower canines, buccal sites of the upper and lower first and second premolars-were checked by No.6or N0.23 explorers.The abrasion was classified into two groups,i.e.,´AE´For the abrasion of enamel and or thin layer of dentin and ´AD´for the advanced cases into dentin.
1) Among the subject(N=2,222), the abrasion were checked on 616 students.The rate was 27.72%.
2) This study dealed with only the wedge-shaped abrasion.The rate would be increased if it included the all types of abrasion.
3) The rate of abrasion is raised according to the increase of age.
4) ´AD´the considerably advanced abrasion revealed 19.64% of all wedgeshaped cases.
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