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Biological Risks: Peri-implantitis & Healing

Published 22 April 2026

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Quick Answer

Peri-implantitis is an infection that affects the tissue and bone surrounding dental implants. While uncommon, it can occur if bacteria accumulate around the implants over time. The good news is that most cases can be prevented with good oral hygiene, regular professional care and ongoing follow-up after All-On-4 Plus® treatment.

Written By

All On 4 Plus® Editorial Team

Patient education team using clinician-approved topic briefs and internal review standards.

Overview

All-On-4 Plus® implants function like natural teeth, but they still require long-term care and maintenance. One of the most important aspects of protecting your implants is preventing peri-implantitis, an inflammatory condition caused by bacterial plaque around the implant site.

In its early stages, inflammation may only affect the gum tissue around the implant. If left untreated, it can progress deeper into the surrounding bone and, over time, affect the stability of the implant.

Several factors can increase the risk of peri-implantitis, including smoking, poor oral hygiene, existing gum disease, teeth grinding and inconsistent professional maintenance.

Daily home cleaning, regular dental hygiene appointments and ongoing monitoring are important parts of long-term implant care. Professional follow-up visits also allow your dental team to identify early signs of inflammation before they become more serious.

What is peri-implantitis?

Peri-implantitis is an inflammatory condition that affects the gum and bone surrounding a dental implant. It is usually caused by bacterial plaque accumulating around the implant surface.

What are the signs of peri-implantitis?

In the early stages, there are often no noticeable symptoms.

As it progresses, signs may include:

  • Redness and swelling of the gum tissue.
  • Bleeding or pus discharge around the implants.
  • Persistent bad breath or a bad taste in the mouth.
  • Tenderness or discomfort when cleaning.
  • In more advanced cases, bone loss or implant mobility may occur.

Can peri-implantitis be prevented?

In many cases, yes. Good daily oral hygiene, regular professional cleans, regular check-ups, and following your dentist’s maintenance recommendations all help reduce the risk of infection around All-On-4 Plus® implants.

Does smoking increase the risk of implant infection?

Yes. Smoking is considered one of the major risk factors for peri-implantitis because it can affect healing and increase bacterial build-up around implants.

How often should implants be professionally checked?

Most patients are advised to attend regular professional maintenance appointments every few months, depending on their individual oral health needs and risk factors.

Important Note

All surgical procedures carry risks, including infection or implant failure. Individual recovery times vary based on age, systemic health, and smoking status. Please follow the specific post-operative instructions provided by your All On 4 Plus® Clinician.

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The information contained in this webpage is general in nature and has been provided in good faith, without taking into account your personal circumstances. While all reasonable care has been taken to ensure that the information is accurate and opinions fair and reasonable, nothing is to be construed as any kindof warrantee. Your suitability for any treatment is subject to full assessment by a qualified professional. All cosmetic and surgical procedures carry risks. Before proceeding you should seek a second opinion from an appropriately qualified health practitioner. The dental, medical, cosmetic and beauty professionals employed by All On 4 Plus Pty Ltd (ACN 164844428) and its network of clinics and licensees trading as All On 4 Clinic, All-On-4 Plus® Premium Provider and All-On-4 Plus® Affiliates are trained, registered and fully qualified to provide second opinions and undertake treatments within their respective scope of practice. The use of the information contained on this page is governed by Australian law and is subject to the Terms and Conditions which can be read by clicking here. View the ALL ON 4 PLUS® Pty Ltd Privacy Policy by clicking here.