歯周疾患患者における食片圧入について : その頻度・分類・臨床症状との関係

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It is generally accepted that food impaction, especially vertical food impaction, influences the initiation and advance of periodontal disease. But still now there remain many unknown respects about it. The purpose of this study was to examine the clinical characteristics of food impaction and the relation between its emergence and clinical signs. The subjects were consisted of 60 males and 43 females. They had diagnosed mild or moderate periodontitis and were found food impactions in one or some interproximal spaces on the first examination. The results were as follows; 1. 2,613 interproximal spaces were examined in this study. Food impaction was detected in 20.0% of the interproximal areas on upper jaw, in 18.2% on lower jaw, and in 19.1% of total interproximal areas. 2. Food impaction was most frequently detected in the interdental spaces between upper left first and second molars, and in general often in mesial and distal interproximal areas of first molars. 3. The frequency of food impaction was the highest in upper molar area of the whole mouth. The order of frequency was upper molar, lower molar, lower anterior, upper anterior, upper premolar and lower premolar area in sequence. 4. In case that the factors of food impaction were analyzed according to the Hirschfeld's classification, the interproximal areas were most frequently classified into class I in whole mouth and often classified into class III in molar and into class IV in anterior area. 5. There were no significant differences in periodontal pocket depth and tooth mobility between the teeth with food impaction and control teeth. Bone resorption in the interdental spaces with food impaction, however, was significantly higher than that of controls.
特定非営利活動法人日本歯周病学会の論文
1982-03-28

歯周疾患患者における食片圧入について : その頻度・分類・臨床症状との関係

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