Study of Long-Term Periodontal Maintenance in Private Practice-Evaluation of Supportive Periodontal Therapy Managed by a Dental Hygienist-

DOI 2 Citations 57 References
  • Hitomi Sanae
    Division of Periodontology and Endodontology, Department of Oral Biology, Tohoku University Graduate School of Dentistry Medical Corporation Inomata Dental Clinic
  • Ishihata Hiroshi
    Division of Periodontology and Endodontology, Department of Oral Biology, Tohoku University Graduate School of Dentistry
  • Inomata Yuji
    Medical Corporation Inomata Dental Clinic
  • Shimauchi Hidetoshi
    Division of Periodontology and Endodontology, Department of Oral Biology, Tohoku University Graduate School of Dentistry

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Other Title
  • 一般歯科医院におけるメインテナンス治療の長期効果に関する研究―歯科衛生士を中心としたＳＰＴの評価―
  • —Evaluation of Supportive Periodontal Therapy Managed by a Dental Hygienist—
  • —歯科衛生士を中心としたSPTの評価—

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Abstract

We evaluated the effect of long-term maintenance on supportive periodontal treatment in private practice, mainly done by a dental hygienist. Subjects were patients-16 men and 24 women-with adult periodontitis. Following surgical or nonsurgical periodontal therapy in private dental practice, the dental hygienist conducted patient maintenance for 4 years. Subjects average 54.1 years of age (37-68 years) at the stage of primary care. Teeth initial by examined numbered 1,010. Clinical periodontal parameters were probing pocket depth (PPD) , bleeding on probing (BOP) , O'eary's plaque control record (PCR) , and furcation involvement. We also studied tooth survival and the relationship between restorative conditions and the clinical periodontal parameters. Marginal areas where PPD exceeded 5 mm or with acute periodontal abscess were marked as recurrent during maintenance. Clinical parameters were then examined at the endpoint of primary care, the starting point of maintenance, and each year of maintenance to years. During year 5 maintenance, PCR indices were continuously below 20%. No significant difference was seen in clinical PPD and BOP indices between the start of maintenance and years 1 to 5. No significant difference was seen in clinical parameters between treatment groups using surgical (N=14) and nonsurgical (N=26) procedure in maintenance. PPD was, however, greater in areas undergoing surgery than in the absence of surgery in subjects in the surgical treatment group (N=14) . Mean recurrence during maintenance was 2%. Obvious effects due to restoration of a tooth crown adjacent to periodontal tissue was not seen in any clinical parameters. Our data suggests that maintenance including a dental hygienist was effective in long-term maintenance of sustainable periodontal therapy in the clinic of a general dentist. Nihon Shishubyo Gakkai Kaishi (J Jpn Soc Periodontol) 48: 123-134, 2006.

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