Risks and how they’re managed
| Problem | How common | Prevention or fix |
|---|---|---|
| Clips or attachments wearing loose | Common, expected | Replace the inserts at a short visit |
| Sore spots on the gums | Common in the first weeks | Adjust the denture |
| Denture becoming loose over the gums | Over years | Reline the denture |
| Gum inflammation around an implant | Occasional | Daily cleaning, regular check-ups |
| Denture teeth wearing or chipping | Over years | Repair or replace the teeth |
| Denture base cracking | Uncommon | Repair; a metal reinforcement helps |
| Implant failing to bond with bone | Uncommon | Replace the implant after healing |
| Nerve or sinus injury during surgery | Rare | 3D planning and careful technique |
Who is at higher risk
- People who smoke.
- Uncontrolled diabetes.
- A history of gum disease.
- Heavy grinding.
- Some medicines, such as certain bone-strengthening drugs, which your dentist needs to know about.
- Difficulty cleaning, for example with arthritis in the hands.
None of these automatically rules you out, but they change the plan, and some, like smoking and diabetes control, are worth improving first.
How to keep problems away
- Take the denture out and clean it every day.
- Brush around the implant attachments with a soft brush.
- Keep your review visits, typically every six to twelve months.
- Tell us early if it feels looser or sore, before the gum is damaged.
Is it still worth it?
For most people with a loose lower denture, yes. The 2002 McGill consensus statement recommended a two-implant overdenture as the first-choice standard of care for people with no lower teeth, because it improves chewing, comfort and confidence for a modest number of implants.
At Petal Smiles
Prosthodontist Dr. Adish Chaudhary plans overdentures, often by converting a denture you already have, with our implantologist placing the implants. Maintenance, clip changes and relines are all done in the clinic. See implant overdentures and caring for overdentures.
Questions patients ask us
What is the most common problem with implant overdentures?
The clips or attachments loosening as they wear. It's expected and simple to fix; the inserts are replaced in a short visit.
How often do the clips need changing?
It varies with the attachment type and how often the denture is taken in and out. The inserts usually need changing every one to two years, in a few minutes at a routine visit.
Can an overdenture implant fail?
Occasionally an implant doesn't bond with the bone in the first months, or later loses bone through infection. Smoking, uncontrolled diabetes and poor cleaning raise the risk. A failed implant can usually be replaced.
Should I sleep with my overdenture in?
Usually no. Taking it out at night rests the gums and lets you clean the implants and the denture. Your dentist will advise you on your case.
Is the surgery risky?
Placing two to four implants is a routine procedure under local anaesthetic. Temporary swelling and soreness are normal; nerve or sinus problems are rare with good planning and a 3D scan.
Sources
Feine et al., The McGill consensus statement on overdentures, Int J Oral Maxillofac Implants, 2002 ↗ADA MouthHealthy: dental implants ↗Leeds Teaching Hospitals NHS: dental implants patient information ↗Last updated 14 October 2026.