Microbiological and Clinical Evaluation of Ultrasonic Debridement With/without Erythritol Air Polishing During Supportive Periodontal Therapy in Arches with Full-arch Fixed Implant-supported Prostheses: Protocol for a Randomised Controlled Trial

Overview

Journal BMJ Open

Specialty General Medicine

Date 2021 Dec 8

PMID 34876432

Citations 1

Authors

Jingwen Yang

Pingyi Jia

Zhaoguo Yue

Jianzhang Liu

Zhongning Liu

Lin Tang

Qi Liu

Jianxia Hou

Affiliations

Soon will be listed here.

Abstract

Introduction: Implant-supported prostheses are often successfully used in edentulous patients. However, the incidences of peri-implant mucositis and peri-implantitis increase over time. The accumulation of pathogenic bacteria adjacent to prostheses can induce peri-implant disease. Plaque removal is recommended to prevent and manage peri-implant diseases. The purpose of this study is to compare the plaque removal efficacy of ultrasonic debridement with/without erythritol air-polishing powder around implants and bridges in patients with full-arch fixed implant-supported prostheses as well as the effects of these two methods on the rates of peri-implant mucositis and peri-implantitis, and the submucosal microbiota composition over 5 years in patients undergoing supportive periodontal therapy.

Methods And Analysis: We plan to enrol 10 edentulous (maxilla and/or mandible) patients seeking full-arch fixed implant-supported prostheses. The study will use a split-mouth model in which contralateral quadrants are randomly assigned to two groups. Group 1: one contralateral quadrant of full-arch fixed implant-supported prostheses will undergo ultrasonic debridement combined with erythritol air-polishing powder. Group 2: a separate contralateral quadrant of full-arch fixed implant-supported prostheses will undergo ultrasonic debridement. The 5-year trial will involve a total of 10 re-examinations per participant. The mucosal conditions around the implants will be recorded at 6-month intervals after restoration. Peri-implant submucosal plaque will be collected at each re-examination, and the bacterial flora will be analysed by 16s ribosomal RNA gene sequencing. X-ray examinations will be conducted at 12-month intervals to evaluate the marginal bone level around implants.

Ethics And Dissemination: This prospective single-centre, randomised controlled trial (PKUSSIRB-202054045) has been approved by the Ethics Committee of Stomatology School and Hospital of Peking University. Data will be registered with the International Clinical Trials Registry Platform. Additionally, we will disseminate the results via publication in scientific journals.

Trial Registration Number: ChiCTR-2000032431.

Citing Articles

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PMID: 37111781 PMC: 10142946. DOI: 10.3390/pharmaceutics15041294.

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