The effect of periodontal surgery on bite force, occlusal contact area and bite pressure

Arzu Alkan, Ilker Keskiner, Selim Arici, Shuichi Sato

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


Background. Tooth mobility resulting from the loss of periodontal support or trauma induced by periodontal surgery may change the amount of bite force (BF) and bite pressure (BP) and number of occlusal contact areas (OCAs). The aim of the authors' study was to compare BF, BP and OCA of teeth with periodontal disease before and after periodontal surgery with similar values of healthy teeth. Methods. The authors performed quantitative analysis of BF, BP and OCA using a pressure measurement film. Ten patients with periodontitis who needed periodontal surgery served as the test group. The authors took measurements of BF, BP, OCA and mobility (using Miller's Mobility Index) just before surgery and at one, four and 12 weeks after surgery. They also measured clinical attachment levels (CAL) before surgery and 12 weeks after surgery. Ten subjects without periodontitis served as the control group. Results. Although BF and OCA increased the first week after periodontal surgery, analysis of variance (ANOVA) showed no statistically significant differences at a 95 percent confidence interval. There were statistically significant differences between first-week mobility and that at four and 12 weeks (P = .001). A factorial ANOVA showed significant interaction between BF and mobility (P < .05). Conclusions. The authors' findings suggest that changes in BF, BP and OCA were not affected by periodontal surgery. However, mean mobility values and BF are correlated. Further investigations of this measurement method involving larger study populations and a longer follow-up period are needed. Clinical Implications. It seems to be helpful to follow occlusal changes after periodontal surgery using a pressure measurement film. It also may be suggested that this measurement method could be used to evaluate the treatment prognosis.

Original languageEnglish
Pages (from-to)978-983
Number of pages6
JournalJournal of the American Dental Association
Issue number7
Publication statusPublished - 2006 Jul


  • Bite force
  • Bite pressure
  • Occlusal contact area
  • Periodontal surgery
  • Pressure measurement film
  • Tooth mobility

ASJC Scopus subject areas

  • Dentistry(all)


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