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KMID : 0363019730030010027
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Journal of Korean Academy of Periodontology
1973 Volume.3 No. 1 p.27 ~ p.30
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The Study of Etiology on Infrabony Pocket
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Lee Chung-Ho
Kim Jong-Eun
Kim Young-Chul
Lee Jae-Hyun
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Abstract
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This study was carried out to investigate the etiology of infrabony pocket combined with occlusal factors. Total number of 60 cases of full mouth X-ray were collected that presented radiographically infrabony pocket with restored faulty prosthesis, and took periodontal treatment durated from Jan. I to June 1972. at department of periodontology, College of Dentistry, Seoul National University. Three types of occlusal factors are; 1) Inadequate proximal contacts. 2) Interproximal restoration without marginal ridge. 3) High marginal: ridge on tooth affected. Among the 60 patients who have occlusal factors, 90 infrabony pockets were revealed. The results were obtained as follows; 1) In the case of inadequate proximal contacts, the infrabony pockets were shown the highest percentage of three factors. 2) In age group from twenty one to thirty, infrabony pockets were shown much higher ratio than other age groups. 3) Mandibular right and left first molars were shown higher percentage than other teeth. 4) In sex difference, infrabony poekets were shown higher in female group than that of male group.
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