Evaluation of the Prevalence and Risk Factors for Patients With Peri-implant Disease：a Retrospective Study

Air Force Military Medical University, China131 enrolled

Overview

To investigate the patient-related risk factors for peri-implant disease in partially edentulous patients rehabilitated with implants supported crown or bridge so as to provide evidence for clinical prevention and control.

Objective: To investigate the patient-related risk factors for peri-implant disease in partially edentulous patients rehabilitated with implants supported crown or bridge so as to provide evidence for clinical prevention and control. Methods:A total of 131 patients will enroll in the study. Univariate and multivariate logistic regression analysis is used to determine the patient factors associated with peri-implant disease. The variables include age, gender, smoking and alcohol consumption, presence of diabetes, cardiovascular disease, osteoporosis, bruxism, bleeding upon brushing, reason for extraction, oral hygiene and periodontal status.

Study Type

OBSERVATIONAL

Enrollment

131

Conditions

Jaw, Edentulous, Partially

Eligibility

Sex: ALLMin age: 18 YearsMax age: 85 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: Patients implanted at least one implant and restored with implant-supported fixed partial dentures and single crowns. The implant-supported fixed partial dentures and single crowns were in function at least one year. Exclusion Criteria: Jaw radiotherapy treatment before and after implanting. Patients who have bruxism, xerostomia or the adjacent teeth periapical periodontitis. Patients who suffered with oral mucosa disease,or aggressive periodontitis or jaw defect. Patients who suffered with mental and psychological disease will influence their oral health normal maintenance.

Locations (1)

Stomatological Hospital of Fourth Military Medical University

Xi’an, Shanxi, China

RECRUITING

Outcomes

Primary Outcomes

Survival of implants

Time from the surgical placement of implants until the first return visit（at least one year after restoration）

Time frame: at the first return visit（at least one year after restoration）

Secondary Outcomes

Gingival Bleeding on Probing

Gingival bleeding on probing (BOP) using the modified sulcus bleeding index for implants. Scale equals 0 = No bleeding when periodontal probe is passed along the gingival margin;1 = Isolated bleeding spots visible;2 = Blood forms a confluent red line on the gingival margin;3 = Heavy or profuse bleeding.

Time frame: at the first return visit（at least one year after restoration）

Pocket depths

Pocket depths measured around implants in millimeter (mm)

Time frame: at the first return visit（at least one year after restoration）

Marginal bone loss

Time from the surgical placement of implants until the first return visit（at least one year after restoration）

Time frame: at the first return visit（at least one year after restoration）

Central Contacts

Jihua Chen, PhD

CONTACT

029-84776329 jhchen@fmmu.edu.cn

Min Tian, PhD

CONTACT

029-84776129 tianminno1@163.com

Data from ClinicalTrials.gov

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