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Maryland Bridge – Tooth Replacement Without Grinding

A Maryland bridge is a minimally invasive dental prosthesis used to replace missing teeth without grinding down the adjacent teeth.

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Things worth knowing about "Maryland bridge"

A Maryland bridge is a minimally invasive dental prosthesis used to replace missing teeth without grinding down the adjacent teeth.

What is a Maryland Bridge?

A Maryland bridge (also known as a resin-bonded bridge or adhesive bridge) is a specialized type of dental prosthesis used to replace one or more missing teeth. Unlike conventional dental bridges, a Maryland bridge does not require significant grinding or preparation of the neighboring teeth. It is therefore considered a highly tooth-preserving and minimally invasive treatment option.

Structure and Materials

A Maryland bridge consists of an artificial tooth (the pontic) attached to thin wings made of metal alloys or zirconia. These wings are bonded to the enamel surfaces of the adjacent teeth using a special composite adhesive, without removing significant tooth structure.

Metal-ceramic variant: Metal wings with a ceramic veneer on the replacement tooth
All-ceramic variant (zirconia): Aesthetically pleasing, metal-free, and highly biocompatible

Indications

Maryland bridges are commonly used in the following situations:

Replacement of a single missing tooth, especially in the front teeth area
In younger patients where implants are not yet possible due to ongoing jaw growth
As a long-term temporary solution after tooth loss or before implant placement
In patients who are unable or unwilling to undergo implant surgery

Advantages

Minimally invasive: neighboring teeth remain largely untouched
No surgical procedure required (unlike implants)
Short treatment time
Excellent aesthetic results, especially with ceramic variants
Suitable as a transitional or permanent solution

Disadvantages and Risks

Lower stability compared to conventional bridges or implants
Possible debonding of the adhesive, especially under heavy chewing forces
Not suitable for all areas of the mouth (e.g., molars with high occlusal load)
May cause gum irritation if the wings are not optimally fitted

Treatment Process

The dentist or prosthodontist first evaluates whether a Maryland bridge is appropriate. Impressions of the jaw are then taken so that a dental laboratory can fabricate the bridge individually. The bridge is bonded in place during a subsequent appointment. Usually only a few dental visits are required.

Care and Longevity

With proper care, a Maryland bridge can function well for many years. Key recommendations include:

Regular brushing and use of dental floss or interdental brushes
Regular dental check-ups
Avoiding excessive pressure on the bridge (e.g., biting hard objects or cracking nuts)

The average lifespan of a Maryland bridge is approximately 10 to 15 years, depending on material choice and oral hygiene, though this may vary.

References

Kern M. - Resin-bonded bridges: The solution for missing anterior teeth? Quintessence International, 2017;48(8):603-612.
Pjetursson BE et al. - A systematic review of the survival and complication rates of resin-bonded bridges after an observation period of at least 5 years. Clinical Oral Implants Research, 2008;19(2):131-141.
Goodacre CJ et al. - Clinical complications in fixed prosthodontics. Journal of Prosthetic Dentistry, 2003;90(1):31-41.

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