Sexual Health 101

What Is a Dental Dam & Why Should I Use One?

What Is a Dental Dam & Why Should I Use One?

Everything you need to know about using dental dams during oral sex
Erika Lust | July 28, 2021 | 11 min. read

Okay hotties, let’s talk about something that barely gets airtime in sex ed, rarely shows up in porn, and honestly deserves way more love: the dental dam.

We know — just the name sounds like something your dentist pulls out before drilling. Not exactly sexy. But stay with us. Dental dams can be a total game-changer for oral sex, especially when you’re going down on vulvas or butts. They are one of those tools that, once you get the hang of them, make you wonder why no one ever taught you this sooner.

So, whether you’re curious, clueless, or a little skeptical, we’ve got you. Here’s your no-shame, all-pleasure guide to what a dental dam is, how to use it, and why it might be the unsung hero of your sex life.

Okay, But What Is a Dental Dam?

Think of it as a flat, flexible sheet that creates a barrier between your mouth and someone’s genitals or anus during oral sex. It’s like a condom, but not tubular. You don’t wear it; you lay it on the area you are about to worship.

The goal? Protection. But also, confidence. Because knowing you’re being safe lets you relax and fully enjoy the moment (or help your partner enjoy it). It’s giving hot and health-conscious.

Bonus: they now come in cute colors, delicious flavors, and non-latex versions for anyone with allergies or sensitivities.


Why You Might Want to Use One (Even If You’ve Never Thought About It Before)

Let’s be honest: oral sex tends to get a free pass in the safety convo. We have been taught to talk about condoms and pregnancy prevention, but if you are not dealing with sperm, people often assume it’s all good. The truth? Oral sex can still transmit STIs.

Here are just a few things that can pass skin-to-skin or through fluids during oral:

  • Herpes – Often transmitted through skin-to-skin contact, herpes can be spread even when there are no visible sores. The virus can be passed from the genitals to the mouth and vice versa during oral sex.
  • Gonorrhoea – This bacterial STI can infect the throat as well as the genitals. Many people don’t realize they’re infected because it’s often asymptomatic, but it’s still transmissible.
  • Syphilis – Easily spread through oral contact with sores, this STI can have serious long-term consequences if left untreated.
  • Chlamydia – While less commonly found in the throat, chlamydia can still be transmitted through oral-genital contact. Using a dental dam helps block this possibility.
  • HIV – Though transmission risk through oral sex is relatively low, it’s not zero. Especially if there are cuts or sores in the mouth, a barrier can significantly reduce that risk.
  • Hepatitis B and C – These viruses can be spread through bodily fluids, including during oral sex if a protective barrier isn't used.
  • HPV and Genital Warts – HPV is extremely common and can be spread through skin contact. Using a dam provides protection even when other symptoms aren’t visible.

And here’s the kicker: most people with STIs have no symptoms. They feel fine, look fine, and still transmit infections. So, unless you’ve both been recently tested and fully honest about your results, there’s always some risk.

Using a dental dam doesn’t make things clinical — it makes things intentional. It says, “I care about your body, and I care about mine. And I still want to make you feel amazing.”

And that? That’s sexy.

The Queer History of Dental Dams

Dental dams didn’t start in the bedroom. They were originally created for — you guessed it — dentists, who used them to isolate teeth during procedures. But queer communities, especially lesbian and bisexual women, started adapting them for safer sex practices back in the ‘80s and ‘90s during the height of the HIV/AIDS crisis. With little representation in mainstream sex ed, folks got creative. They hacked condoms, gloves, even plastic wrap — because no one else was teaching them how to protect themselves.

So, when we talk about dental dams, we’re not just talking about latex. We’re talking about queer innovation, community care, and claiming the right to both pleasure and protection. They’re part of our history.

What Are Dental Dams Made Of?

Short answer: latex or polyurethane.

  • Latex dams are the most common. They’re stretchy, flexible, and come in lots of flavors.

  • Polyurethane dams are latex-free (hello, allergy-friendly) and tend to transmit heat a little better, but they’re slightly stiffer and can slide more.

If you’re flavor-sensitive or prone to irritation, go unflavored and pair with a gentle, unscented water-based lube.

Also, check the packaging. Not all “dams” marketed online are body-safe. Go with known brands like Glide, Glyde, Trust, or those stocked by LGBTQ+ health orgs.

Eco-Friendly & Allergy-Safe Options

If you’re eco-conscious or have a latex allergy, you’re in luck. Some brands now offer:

  • Non-latex options made from polyurethane or nitrile.
  • Compostable packaging for greener disposal.
  • Vegan dental dams, made without animal-derived ingredients or testing.

Always check the label and do a patch test if you have sensitive skin.

Step-by-Step: How to Use a Dental Dam Like a Pro

Whether you’ve got a store-bought one or you're DIY-ing from a condom, here’s how to turn a flat square into an oral sex MVP:

  • Check It. Look for holes, tears, or signs it’s expired. If the packaging looks damaged or crusty? Nope.

  • Open Carefully. No scissors. No teeth. Just fingers. You don’t want to puncture it before the fun even starts.

  • Lay It Down. Place the dam over the vulva or anus. It should lie flat and fully cover the area.

  • One Side Only. Seriously—once you pick a side, that’s the side that touches skin. Don’t flip it over or switch it around.

  • Lube It Up. Apply a water-based or silicone-based lube under the dam, directly on the skin, to increase sensation. You can also add a bit on top to make things more slippery for your mouth and tongue.

  • Get to It. Lick, suck, tease—your mouth still works its magic. Your tongue can press through the material, and you can still hear, taste (hello, flavors), and moan.

  • Dispose Responsibly. They’re one-time use only. Wrap it in tissue and toss it in the trash after.


Watch & Learn

Let’s be honest — sometimes the best way to learn is by watching it go down. That’s exactly what you’ll get when you watch Kali & Katana’s free Lust Ed video to safer vulva & vulva sex on Lust Zine to learn more about dental dams and then see how they're used in practice during their very sexy, explicit demonstration. It’s hot, it’s real, and it shows exactly how to use a dental dam during vulva-to-vulva oral sex.

This isn’t some stiff tutorial — it’s full of chemistry, pleasure, and real connection. You’ll see how dental dams can slide right into sexy play without killing the vibe. Actually, they kind of turn it up a notch.

It’s part education, part erotic experience. So grab your dam, get inspired, and maybe try out a few moves of your own after.

Myths About Dental Dams

Even though dental dams have been around for a while, they're still surrounded by a ton of confusion and outdated ideas. Let’s bust some common myths that might be stopping you (or your partner) from giving them a try. Spoiler alert: they’re way cooler—and sexier—than you think.

"Only queer people use them."
Not true. While dental dams have been popularized by queer communities due to necessity and innovation, they’re for anyone engaging in oral-vulva or oral-anal sex.

"They reduce pleasure."
Actually, when used with a little bit of lube, dental dams can increase sensation while offering peace of mind.

"They’re hard to find."
Thanks to growing awareness, they're more available than ever. You just might have to know where to look. Check out where to buy dental dams next.

“It will ruin the mood.”
This myth needs to die. Here’s why dental dams can be sexy AF:

  • They show you’re thoughtful, responsible, and respectful.
  • They allow you to fully focus on giving pleasure without anxiety.
  • They can enhance the experience with flavors, temperature play, or sensation from lubes.
  • They open up new conversations, positions, and techniques.

It’s not about killing the mood—it’s about building trust, deepening connection, and having fun while feeling safe.


Where to Buy Dental Dams

You can find dental dams in many places that sell condoms:

  • Drugstores and Pharmacies – Many major chains carry them, although you may need to ask a pharmacist if they’re behind the counter.
  • Sex Shops and Boutiques – These are often your best bet, offering a wider selection of sizes, materials, and flavors.
  • Online Retailers – Amazon, specialty sexual wellness sites, and brand-specific stores often stock dental dams.

DIY Dental Dam Hacks (Because Sometimes You Gotta Improvise)

Caught without a dam but still want that sweet, safe oral? You’ve got options:

  • Condom Hack: Cut off the tip, slice it lengthwise, and flatten it out. Instant dam.
  • Internal Condom Hack: Same idea, just bigger coverage.
  • Latex Glove Hack: Cut off the fingers and open it up. Might be smaller, but better than nothing.
  • Plastic Wrap: Opt for non-microwavable, food-grade wrap without additives. It’s not perfect, but it can work in a pinch.

And yes, always check for holes and don’t reuse them. DIY or not, safety first.

Dental Dams & Sensation – What It Really Feels Like

You might be wondering: Is it even going to feel good with a barrier? Won’t it dull everything?

Fair question. And yes, there’s a slight difference in sensation, but not in the way you might think.

Dental dams are thin, like, thinner-than-a-condom thin in many cases. Add a bit of lube on both sides, and you’ll feel heat, pressure, movement, and even the rhythm of breath. If you’re into teasing, tongue tricks, or building anticipation, a dam can actually amplify that. It creates a layer of tension — literally and figuratively — that some people find incredibly erotic.

The key? Mindful play. You’re not trying to bulldoze into pleasure — you’re letting it build. A barrier can slow things down in the best way, making every lick, suck, and sigh more intentional.

And if you’re the one receiving oral, it can be an emotional shift. You might feel more at ease knowing there’s a layer between you and your partner — less exposed, more in control. That can actually make it easier to receive pleasure and stay present.


Making It Part of Your Sex Kit

If you’ve already got condoms, lube, and maybe a toy or two, why not add dental dams?

A well-stocked, inclusive sex kit could include:

  • Dental dams (a few flavors, a few plain)
  • Latex and non-latex condoms
  • Internal condoms
  • Water- and silicone-based lube
  • Toy cleaner and wipes
  • Finger cots or gloves (especially for anal or manual play)
  • Your fave toy (vibe, plug, you do you)

Having options ready helps you feel confident and prepared for whatever kind of fun unfolds.

Overcoming the Awkwardness: Talking to Your Partner

Talking about dental dams doesn't have to be a buzzkill. In fact, it can be a bonding moment. Here are a few conversation starters:

  • "I read about dental dams recently — ever tried them?"
  • "I’d love to try something new that keeps both of us safe."
  • "Would you be open to exploring dental dams together?"

Approach the conversation with curiosity and care. The goal is mutual respect and shared pleasure.

TL;DR: Dental Dams Deserve a Spot in Your Sex Life

They’re not just for dentists. They’re not just for queer people. And they’re not a buzzkill.

They’re a tool for safer sex, for empowerment, for making oral more inclusive, intentional, and exciting. They give you freedom to explore without fear, and they send the message: I care about you, and about me.

So next time you’re packing your sex kit or planning a steamy night in, toss in a dam or two. Who knows? That little square of latex might be the thing that makes your oral game legendary.

And if you’re looking for more ways to get inspired, explore adult content that actually respects your intelligence and desires — watch ERIKALUST's films. She’s part of the movement making real, ethical, sexy education the new norm — because learning about pleasure should turn you on, not tune you out.

Erika Lust is an award-winning filmmaker, producer, and writer who's focus on female pleasure, cinematic values, and ethics in adult cinema have helped to change how pornography is consumed. Erika Lust Films was born in 2004 and since then Erika has ... Read More
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