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Tooth loss after active periodontal therapy. 2: tooth-related factors.

AbstractOBJECTIVE:
To assess tooth-related factors contributing to tooth loss over a period of 10 years after completion of active periodontal therapy (APT).
MATERIAL AND METHODS:
All patients who had received APT by the same experienced periodontist, 10 years before beginning the research, were recruited until 100 patients were re-examined. Examinations included, at the patient level: test for interleukin-1 polymorphism, compliance to supportive periodontal therapy (SPT), mean plaque scores during SPT; at the tooth level: assessment of baseline bone loss (type, amount), tooth type, furcation status and abutment status. Logistic multilevel regression was performed for statistical analysis.
RESULTS:
Hundred patients with 2301 teeth at the baseline (completion of APT) were retrospectively examined. One hundred fifty-five teeth were lost over 10 years after APT. Logistic multilevel regression identified high plaque scores, irregular attendance of SPT and age as patient-related factors significantly accounting for tooth loss. Tooth-related factors significantly contributing to tooth loss were baseline bone loss, furcation involvement and use as an abutment tooth. However, in patients with regular SPT, 93% of teeth with 60-80% bone loss at the baseline, survived 10 years.
CONCLUSION:
The following tooth-related risk factors for tooth loss were identified: baseline bone loss, furcation involvement, and use as an abutment tooth.
AuthorsBernadette Pretzl, Jens Kaltschmitt, Ti-Sun Kim, Peter Reitmeir, Peter Eickholz
JournalJournal of clinical periodontology (J Clin Periodontol) Vol. 35 Issue 2 Pg. 175-82 (Feb 2008) ISSN: 1600-051X [Electronic] United States
PMID18199151 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Interleukin-1
Topics
  • Alveolar Bone Loss (complications, diagnostic imaging, therapy)
  • Dental Abutments (adverse effects)
  • Dental Plaque (complications)
  • Epidemiologic Methods
  • Female
  • Humans
  • Interleukin-1 (genetics)
  • Male
  • Mandibular Diseases (complications, diagnostic imaging, therapy)
  • Maxillary Diseases (complications, diagnostic imaging, therapy)
  • Middle Aged
  • Polymorphism, Genetic (genetics)
  • Radiography
  • Tooth Loss (epidemiology, genetics)
  • Treatment Outcome

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