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Published on: January 12, 2017
Effects of Nd:YAG laser pulpotomy on human primary molars
1Yang Ming Medical University, Taiwan. jengliu@vghtc.gov.tw
Journal of Endodontics
|April 25, 2006
Summary
Nd:YAG laser pulpotomy showed higher clinical and radiographic success rates compared to formocresol pulpotomy in primary teeth. This laser treatment resulted in successful eruption of permanent successors without complications.
Area of Science:
- Dentistry
- Laser Dentistry
- Pediatric Dentistry
Background:
- Pulpotomy is a crucial procedure for preserving primary teeth with carious pulpal exposure.
- Formocresol has been a traditional medicament, but concerns exist regarding its safety and efficacy.
- Alternative treatments are sought to improve outcomes and patient safety.
Purpose of the Study:
- To compare the clinical and radiographic success of Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser pulpotomy versus formocresol pulpotomy in human primary teeth.
Main Methods:
- Sixty-eight primary teeth underwent Nd:YAG laser pulpotomy (2 W, 20 Hz, 100 mJ) or formocresol pulpotomy.
- Following pulpal tissue removal, medicaments were applied for hemostasis.
- Teeth were restored with IRM (Intermediate Restorative Material) and either composite resin or stainless steel crowns.
Main Results:
- Nd:YAG laser pulpotomy achieved 97% clinical and 94.1% radiographic success over 6–64 months.
- Formocresol pulpotomy achieved 85.5% clinical and 78.3% radiographic success over 9–66 months.
- The Nd:YAG laser group demonstrated significantly higher success rates.
Conclusions:
- Nd:YAG laser pulpotomy is a more successful treatment option for primary teeth compared to formocresol pulpotomy.
- Laser treatment did not impede the eruption of permanent successor teeth.

