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Vital tooth bleaching with Nightguard vital bleaching
1Medical College of Georgia, Department of Oral Rehabilitation, School of Dentistry, Augusta 30912, USA.
Current Opinion in Cosmetic Dentistry
|January 1, 1997
Summary
Nightguard vital bleaching using 10% carbamide peroxide is a safe and effective method for teeth whitening. Long-term studies show high success rates and stability, with no significant safety concerns reported.
Area of Science:
- Dentistry
- Dental Materials
- Cosmetic Dentistry
Background:
- Landmark articles published between 1994-1996 evaluated vital tooth bleaching.
- 10% carbamide peroxide in custom trays became a focus for safety and efficacy.
- American Dental Association (ADA) established guidelines for product acceptance.
Purpose of the Study:
- To assess the safety and efficacy of vital tooth bleaching with 10% carbamide peroxide.
- To evaluate long-term results and stability of tooth whitening.
- To compare professional treatments with over-the-counter products.
Main Methods:
- Long-term clinical trials involving 38 patients over 3 years.
- Pulpal and periodontal safety studies.
- Animal studies to assess noncarcinogenic potential.
- Evaluation of effectiveness on various tooth stains (tetracycline, dentinogenesis imperfecta, nicotine).
Main Results:
- 92% bleaching success after 6 weeks, with 74% stability at 1.5 years and 62% at 3 years.
- No detrimental clinical pulpal or periodontal safety issues identified.
- Successful bleaching of tetracycline-stained teeth with no adverse effects.
- Elevated intraoral pH observed with 10% carbamide peroxide.
- Over 60% of newer bleaching materials remained active after 4 hours.
Conclusions:
- Nightguard vital bleaching with 10% carbamide peroxide is cost-efficient, user-friendly, and patient-accepted.
- The method is safe and effective for vital tooth bleaching.
- Over-the-counter products may pose risks to tooth structure and offer less predictable results.