Budovsky Clinic Blog

What is a Dental Dam and Why is it Needed?

A dental dam is a latex sheet used in dentistry to isolate one or more teeth that require treatment. This tool is widely utilized in procedures such as cavity treatment, tooth fillings, endodontic therapy, and composite restorations. The use of a dental dam significantly enhances the quality of dental care by ensuring a sterile and dry working environment.

How is a Dental Dam Applied?

Applying a dental dam is a crucial preparatory step in dental treatment to achieve maximum tooth isolation:
  1. Several holes are made in the latex sheet, corresponding to the number of teeth requiring treatment.
  2. The sheet is stretched over the tooth and secured with a special clamp.
  3. The edges of the sheet are fixed with a frame to provide convenience for the dentist.
  4. The procedure is completely painless, as local anesthesia is administered beforehand.

Main Functions of a Dental Dam

The use of a dental dam in dentistry offers several advantages:
  • Isolates the tooth from saliva, blood, and bacteria.
  • Maintains a sterile and dry working field.
  • Protects soft tissues of the oral cavity (tongue, cheeks, lips) from injury.
  • Prevents dental solutions and instruments from entering the mouth.
  • Reduces the duration of dental procedures.
  • Improves the quality of dental treatment.
  • Enhances patient comfort.

When is a Dental Dam Used?

A dental dam is used in the following cases:
  • Treatment of cavities and their complications (pulpitis, periodontitis).
  • Root canal therapy (endodontic treatment).
  • Tooth fillings – modern filling materials are hydrophobic and require complete moisture exclusion.
  • Placement of composite veneers and restorations – ensuring strong adhesion to enamel.
  • Teeth whitening – protecting gums from chemical agents.
  • Dental implantation – creating a sterile environment.
  • Removal of old fillings – preventing fragments from entering the mouth.

Contraindications for Using a Dental Dam

Despite its many benefits, a dental dam has some contraindications:
  • Latex allergy (alternative materials may be used).
  • Inflammatory gum conditions.
  • Inability to place a dental dam due to subgingival tooth defects.

What Happens if a Dental Dam is Not Used?

Refusing to use a dental dam during treatment can lead to several negative consequences:
  • Risk of infection – saliva and bacteria may cause reinfection of the tooth.
  • Reduced durability of fillings – compromised adhesion of the material.
  • Ineffective root canal treatment – saliva can infect the root system.
  • Accidental ingestion of dental solutions, potentially causing mucosal burns.
  • Patient discomfort – difficulty in swallowing saliva and the need to keep the mouth open for extended periods.
  • Risk of breaking dental instruments – possibility of accidental swallowing or inhalation.

Conclusion

In modern dentistry, a dental dam is the gold standard for dental treatment. It ensures that procedures are safe, comfortable, and effective. The use of a dental dam for fillings, cavity treatment, and restorations is particularly important. Choosing a dental clinic that utilizes a dental dam guarantees high-quality and long-lasting dental care