Predictive factors for the treatment success of peri-implantitis: a protocol for a prospective cohort study

Yuanxi Zhu, Hongye Lu, Shuo Yang, Yang Liu, Peijun Zhu, Ping Li, Yvonne C M De Waal, Anita Visser, Geerten-Has E Tjakkes, An Li*, Shulan Xu

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

INTRODUCTION: Peri-implantitis, a common biological complication of dental implant, has attracted considerable attention due to its increasing prevalence and limited treatment efficacy. Previous studies have reported several risk factors associated with the onset of peri-implantitis (eg, history of periodontitis, poor plaque control and smoking). However, inadequate data are available on the association between these risk factors and successful outcome after peri-implantitis therapy. This prospective cohort study aims to identify the local and systemic predictive factors for the treatment success of peri-implantitis.

METHODS AND ANALYSIS: A single-centre cohort study will be conducted by recruiting 275 patients diagnosed with peri-implantitis. Sociodemographic variables, healthy lifestyles and systemic disorders will be obtained using questionnaires. In addition, clinical and radiographic examinations will be conducted at baseline and follow-up visits. Treatment success is defined as no bleeding on probing on more than one point, no suppuration, no further marginal bone loss (≥0.5 mm) and probing pocket depth ≤5 mm at the 12-month follow-up interval. After adjustment for age, sex and socioeconomic status, potential prognostic factors related to treatment success will be identified using multivariable logistic regression models.

ETHICS AND DISSEMINATION: This cohort study in its current version (2.0, 15 July 2022) is in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Stomatological Hospital, Southern Medical University (EC-CT-(2022)34). The publication will be on behalf of the study site.

TRIAL REGISTRATION NUMBER: ChiCTR2200066262.

Original languageEnglish
Article numbere072443
Number of pages17
JournalBMJ Open
Volume14
Issue number1
DOIs
Publication statusPublished - 10-Jan-2024

Keywords

  • Humans
  • Cohort Studies
  • Peri-Implantitis/diagnostic imaging
  • Prospective Studies
  • Treatment Outcome
  • Bone Diseases, Metabolic

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