Influence of Adjacent Teeth Absence or Extraction on the Outcome of Non-Surgical Periodontal Therapy

Jia-Hong Lin, Che-Chang Tu, Yi-Wen Chen, Chen-Ying Wang, Cheing-Meei Liu, Mark Yen-Ping Kuo and Po-Chun Chang
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Jia-Hong Lin: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Che-Chang Tu: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Yi-Wen Chen: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Chen-Ying Wang: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Cheing-Meei Liu: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Mark Yen-Ping Kuo: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan
Po-Chun Chang: Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei 100, Taiwan

IJERPH, 2019, vol. 16, issue 22, 1-9

Abstract: Background : Extraction of periodontally compromised or strategically non-important teeth is often an integral part of non-surgical periodontal treatment (NSPT). This study evaluated the association between the status of adjacent teeth and the outcome of NSPT on molars. Methods : Charting data of patients with generalized chronic periodontitis receiving NSPT in 2012–2014 were included. The association between initial clinical parameters and significant clinical improvement, including the reductions of probing pocket depth (PPD) and clinical attachment loss (CAL), in molar teeth with severe periodontitis after NSPT was assessed by a generalized linear model and logistic regression. Results : ≥7 mm PPD and <2 mm gingival recession (REC) at the tooth level, and ≥7 mm PPD, ≥7 mm CAL and <2 mm REC at the site level, were associated with significant clinical improvement. Absence or extraction of an adjacent tooth achieved an additional 0.22–0.23 mm and 0.60–0.83 mm clinical improvement. Among the interproximal sites, ≥7 mm PPD, <2 mm REC, ≥7 mm CAL, Keywords: tooth extraction; periodontitis; periodontal pocket; root planing; molar (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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