Dental Implants

Dental Implants vs. Bridges

Both replace a missing tooth, but they solve the problem differently: one stands alone in bone, the other borrows support from the teeth beside the gap.

6 min read · Dental Education Resource by Dr. Marianna Zadov, DDS

How each option works

An implant-supported crown is anchored by a post placed in the jawbone at the site of the missing tooth. It is self-supporting and does not involve the neighbouring teeth.

A conventional fixed bridge spans the gap by attaching to the teeth on either side. Those teeth are prepared — reshaped — so that crowns can be fitted over them, with a false tooth suspended between.

The effect on adjacent teeth

This is often the deciding factor. If the neighbouring teeth are healthy and unrestored, preparing them for a bridge means permanently removing sound enamel. If those teeth already have large fillings or crowns, a bridge may make more sense, since they would benefit from coverage anyway.

Time, surgery and bone

A bridge can usually be completed within weeks and involves no surgery. Implant treatment involves a surgical step and a healing period measured in months, sometimes with grafting beforehand.

Conversely, an implant transmits chewing forces into the bone at the site, which is relevant to the bone remodelling that follows tooth loss. A bridge does not.

Cleaning and maintenance

An implant crown is cleaned much like a natural tooth, with attention to the gum margin around it. A bridge cannot be flossed conventionally between its units; cleaning requires a floss threader, superfloss or an interdental brush passed underneath the false tooth.

Both options depend on maintenance. Decay at the margin of a bridge abutment tooth, or inflammation around an implant, are the most common long-term problems for each respectively.

Questions worth asking

There is no universally better option — the right answer depends on the condition of the adjacent teeth, bone at the site, medical history, timeframe and budget.

  • What condition are the teeth either side of the gap in?
  • Is there enough bone at the site, or would grafting be needed?
  • What is the realistic total timeline for each option?
  • How would I clean each one day to day?
  • What happens if a component fails later — how repairable is it?

Key points

  • Implants stand alone; bridges rely on the adjacent teeth for support.
  • Preparing healthy neighbouring teeth for a bridge is irreversible.
  • Bridges are faster and avoid surgery; implants preserve adjacent tooth structure.
  • Each requires a different daily cleaning technique.

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