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KMID : 1023420070070040207
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Journal of Dental Hygiene Science
2007 Volume.7 No. 4 p.207 ~ p.211
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The Prevalence of Enamel Projection on Molar Teeth Extracted from Dental Patients
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Bae Sung-Suk
Ku Young
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Abstract
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Many studies reported that the presence of cervical enamel projection (CEP) in cemento-enamel junction(CEJ) is greatly related to periodontal disease. The aim of this study was to investigate the prevalence of enamel projections in buccal, mesial, distal and lingual(palatal) surface of maxillary and mandibular first and second molars on extracted teeth. Among 660 teeth extracted due to the periodontal disease and dental caries in Seoul National University Dental Hospital was examined, 530 teeth which has distinct CEJ were examined with 8 times x electronic magnifier by one examiner. The prevalence of CEP for maxillary teeth (45.49%) was higher than that of mandible (39.62%). The first molar (45.22%) had more CEP than second (39.89%). Furthermore, buccal surface had highest incidence of CEP than other surfaces. The results of this study imply that the clinicians should take good care of the prevalence of CEP when scaling or root planning, plaque control instruction and periodontal surgery.
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KEYWORD
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Cervical enamel projection, Cemento-enamel junction, Prevalence
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