大学病院保存科・補綴科外来での歯科衛生実地指導の実態ならびに受診患者の満足度に関与する因子の解明

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  • A risk factor analysis of accumulated postoperative pain and swelling sensation after dental implant surgery using a cellular phone-based real-time assessment
  • ダイガク ビョウイン ホゾンカ ・ ホテツカ ガイライ デ ノ シカ エイセイ ジッチ シドウ ノ ジッタイ ナラビニ ジュシン カンジャ ノ マンゾクド ニ カンヨ スル インシ ノ カイメイ

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Purpose: The purpose of this study was to identify the related risk factors of dental implant accumulated postoperative pain and swelling by cellular phone-based assessment. Methods: Subjects were a consecutive series of patients who received oral implant surgery at Okayama University Hospital. Cellular phone-based questionnaire was sent at pre-set schedule to each subject every 2 h on the day of surgery, and every 24 h from the 2nd to 7th day post-surgery. Subjects replied in real-time the pain and swelling levels at the operated sites by an 11- and 4-grade rating-scale questionnaire. Overall intensity of individual pain and swelling was calculated by means of area under curve that drew by their time-dependent changes. Predictor variables were age, gender, presence of diabetes mellitus and/or hypertension (DM/HT), history of implant surgery, number of inserted implants, flap operation, surgical duration, pre-surgery anxiety, osteoplasty, bone quality,premedication, dosage of prescribed analgesics and local anesthesia and accumulated postoperative pain/swelling. Compliance rate and risk factors correlated with accumulated postoperative pain and swelling were calculated by multiple regression analysis. Results: Final subjects were 18 females and 7 male (mean age: 59.3 ? 7.32 yrs). Significant factors correlated with accumulated postoperative pain were DM/HT, surgical duration,premedication, bone quality, pre-surgery anxiety and postoperative swelling (R2 = 0.769,p = 0.001, 0.013, 0.032, 0.007, 0.035 and 0.007, respectively). Meanwhile, significant factors associated with postoperative swelling were postoperative pain, DM/HT and bone quality (R2 = 0.365, p = 0.002, 0.004, 0.008, respectively). Conclusion: These results suggested DM/HT and bone quality are correlated to overall intensity of postoperative pain and swelling.

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