How to Use a Dental Dam

What to know

  • Dental dams are latex or polyurethane sheets used between the mouth and vagina or anus during oral sex
  • Ready-to-use dental dams can be purchased online
  • This page contains sexually graphic images and may not be suitable for some audiences

Dental dam dos and don’ts

DOs

  • DO use a new latex or polyurethane dental dam every time you have oral sex.
  • DO read the package and check the expiration date.
  • DO make sure there are no tears or defects.
  • DO put on before starting oral sex and keep it on until finished.
  • DO use water-based or silicone-based lubricant to prevent breakage.
  • DO store dental dams in a cool, dry place.

DON'Ts

  • DON’T reuse a dental dam.
  • DON’T stretch a dental dam, as this can cause it to tear.
  • DON’T use nonoxynol-9 (a spermicide), which can cause irritation.
  • DON’T use oil-based products like baby oil, lotion, petroleum jelly, or cooking oil because they will cause the dental dam to break.
  • DON’T flush dental dams down the toilet as they may clog it.

How to use a dental dam

Hands holding dental dam and package. Before sex - Carefully open dental dam and remove from package.
Before sex - Carefully open dental dam and remove from package.
Hands holding dental dam over vulva. Before sex - Place dental dam flat to cover vaginal opening or anus.
Before sex - Place dental dam flat to cover vaginal opening or anus.
After sex - Throw away used dental dam in trash.
After sex - Throw away used dental dam in trash.

How to make a dental dam from a condom*

Hands holding condom and wrapper. Carefully open and remove condom from wrapper.
Carefully open package, remove condom, and unroll.
Scissors cutting condom tip off. Cut off tip of condom.
Cut off tip of condom.
Scissors cutting base of condom off. Cut off bottom of condom.
Cut off bottom of condom.
Scissors cutting condom lengthwise. Cut down one side of condom.
Cut down one side of condom.
Hand holding flattened condom to use as dental dam. Lay flat to cover vaginal opening or anus.
Lay flat to cover vaginal opening or anus.

*Be sure the condom is made of latex or polyurethane.

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