If the thought of a dental appointment makes your stomach knot, you're not alone. An estimated 30% of adults have some level of dental anxiety, and 5–10% avoid dental care entirely because of it. Untreated dental issues then snowball into bigger problems — pain, infection, lost teeth.
Sedation dentistry exists to break that cycle. It ranges from mild relaxation to full unconsciousness, and the right level depends on your anxiety, the procedure, and your medical history.
The four levels of sedation
1. Nitrous oxide ("laughing gas")
Best for: Mild to moderate anxiety, routine cleanings or simple procedures.
How it works: You breathe a mix of nitrous oxide and oxygen through a small mask over your nose. Effects start within minutes — you feel relaxed, calm, sometimes a little giggly. You're fully awake and can respond to questions.
Recovery: Effects wear off within 5 minutes of stopping the gas. You can drive yourself home.
Cost: Usually $50–$100 per visit. Often not covered by insurance.
2. Oral sedation
Best for: Moderate anxiety, longer procedures (crowns, multiple fillings, extractions).
How it works: You take a pill (usually triazolam or a similar benzodiazepine) about an hour before your appointment. By the time you arrive, you're deeply relaxed but still conscious. You'll likely remember little of the procedure.
Recovery: Several hours of grogginess. You need a ride home and shouldn't drive or operate machinery for 24 hours.
Cost: $150–$300 per visit. Sometimes partially covered for medically necessary cases.
3. IV sedation (conscious sedation)
Best for: Severe anxiety, long or complex procedures (multiple extractions, implants, full mouth restoration), or patients who can't tolerate oral sedation.
How it works: Medication is delivered through an IV, allowing precise control of sedation depth. You'll be in a sleep-like state — responsive to commands but unaware of most of what's happening. We monitor your vitals throughout.
Recovery: Several hours. Need a ride home, no driving for 24 hours.
Cost: $400–$1,000+ per visit depending on duration. Sometimes covered for medical necessity (severe phobia, special needs, extensive surgery).
4. General anesthesia
Best for: Very young children with extensive treatment needed, patients with special needs, very long surgical procedures.
How it works: You're fully unconscious, usually delivered in a hospital or surgical center with an anesthesiologist present.
Recovery: Full day. Need supervised recovery.
Cost: $1,500–$3,000+, often coordinated with a hospital or surgery center.
Who's a good candidate for sedation?
- Dental phobia — fear that prevents you from getting needed care
- Strong gag reflex that makes routine procedures difficult
- Difficulty getting numb from local anesthesia
- Long or complex procedures requiring you to sit still for 2+ hours
- Past traumatic dental experiences
- Special needs patients who can't cooperate with routine treatment
- Young children needing significant work who can't safely tolerate it awake
Who's NOT a candidate?
- Patients with certain heart, lung, or liver conditions (case by case)
- Patients on certain medications (especially other CNS depressants)
- Pregnant patients (sedation is usually deferred until after pregnancy)
- Patients who can't arrange transportation home (for anything beyond nitrous)
A thorough medical history review happens before any sedation. Your dentist will flag anything that makes a particular method unsafe.
Is sedation dentistry safe?
Yes — when performed by properly trained providers. All four levels above have decades of safety data. Risks exist (as with any medical intervention) but are extremely low when the provider is qualified and monitoring is appropriate.
For nitrous oxide and oral sedation, your general dentist can provide it with standard training. For IV sedation, the provider needs additional certification — usually a "moderate sedation permit" from the state dental board. General anesthesia requires an anesthesiologist or specially trained dental anesthesiologist.
What to expect on a sedation visit
- Pre-appointment review: We go over your medical history, current medications, allergies, and any anesthesia history
- Arrival: You arrive having followed any pre-op instructions (usually no food/drink for 6 hours before IV sedation; less restrictive for nitrous)
- Sedation delivered: Method depends on your plan
- Procedure: We do the dental work while monitoring you
- Recovery: For nitrous, ~5 min. For oral/IV, 30–60 min in our recovery area
- Discharge: For oral/IV, your ride takes you home with post-op instructions
At our office
Dentistry at the Promenade offers nitrous oxide for routine anxiety. Dr. Christine Phan has advanced training in both adult and pediatric oral sedation for patients who need a deeper level of relaxation. For IV sedation or general anesthesia cases, we coordinate with trusted local oral surgeons or surgical centers.
We also use non-pharmaceutical anxiety reduction wherever possible — noise-canceling headphones, ceiling-mounted TVs in every operatory, longer appointments to avoid feeling rushed, and clear communication about every step. Many patients find these alone make a big difference.
Worried about an upcoming visit? Let's talk it through. Call (619) 574-0205 or book a consultation to discuss what level of comfort care is right for you. No commitment — just an honest conversation about your options.

