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KMID : 1023420070070040275
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Journal of Dental Hygiene Science
2007 Volume.7 No. 4 p.275 ~ p.279
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A Study of Relationship between Pericoronitis and Eruption State of the Mandibular Third Molar among Patients at Dental Hospital
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Jeon Eun-Suk
Lee Hye-Jin
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Abstract
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The purpose of this research, which was executed with 200 patients whose chief complaint was the extraction of the mandibular third molar, was to examine the effect that eruption state of the mandibular third molar has on the growth of pericoronitis. The conclusion about distribution of left and right mandibular third molar, angulation, impaction degree, anterior border of mandibular ramus and the interval from mandibular second molar to mandibular third molar was drawn by chi-square test. 1. There was correlation between pericoronitis and position of the mandibular third molar according to age. 2. In angulation of mandibular third molar, mandibular third molar most likely to be afflicted with pericoronitis is mesioangular. 3. The impaction degree between mandibular third molar and the growth of pericoronitis was given in the order of Level a, Level c and Level b. 4. In the anterior border of mandibular ramus with mandibular third molar, pericoronitis was easily generated in the order of Class II, Class I and Class III. 5. The shorter the interval from distal cementoenamel junction of mandibular second molar to mesial cementoenamel junction of third molar became, the more easily pericoronitis was generated.
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KEYWORD
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Third molar, Pericoronitis, Mandibular, Eruption
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