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Dental technology

Nd:YAG Dental Laser

Nd:YAG lasers may add periodontal improvements in some studies, but evidence is insufficient to confirm routine adjunctive use.

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The short answer

Nd:YAG dental lasers are studied alongside scaling and root planing, sometimes combined with Er:YAG treatment for periodontal pockets.

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Nd:YAG Dental Laser dental educational illustration

What is an Nd:YAG dental laser?

The periodontal laser approaches studied
ApproachStudy setting
Nd:YAG plus scaling and root planingChronic periodontitis and nonsurgical periodontal therapy.[2][1]
Nd:YAG plus Er:YAGNonsurgical treatment of pockets at least 6 mm in severe periodontitis studies.[2][1]

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How is it used?

Studies place the Nd:YAG laser alongside scaling and root planing. Some combination protocols add Er:YAG during nonsurgical periodontal therapy.

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Reported periodontal changes
ComparisonReported result
SRP plus Nd:YAG versus SRPProbing depth and gingival crevicular fluid reduction favoured the combined treatment.[2][1]
Nd:YAG plus Er:YAG versus controlAverage pocket-depth reduction was 1.01 mm and attachment-level reduction was 0.77 mm.[2][1]

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What are the limits?

One Nd:YAG meta-analysis included three studies, and those studies were not all at low risk of bias. The evidence was insufficient to support routine benefit alongside scaling and root planing.

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What is the non-laser alternative?

The main comparison is conventional nonsurgical periodontal therapy with scaling and root planing alone. Laser combinations are measured against this mechanical treatment pathway.

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What might the treatment add?

Some studies report extra reductions in probing depth or periodontal pocket depth. Those measured gains do not establish a routine protocol.

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How certain is the evidence?

The reviews call for longer, well-designed clinical trials and more specific laser protocols. Future studies should also include microbiological and adverse-event analyses.

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Frequently asked questions

Does an Nd:YAG laser replace scaling and root planing?

The studies assess it as an adjunct, and the evidence is insufficient to support routine effectiveness.

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