Sedation Dentistry in Richmond, TX

Comfortable, Anxiety-Free Dental Care by Dr. William Sung DMD

Sedation Dentistry at Grand Mission

If fear has been keeping you away from the dentist, you are not alone and there is nothing wrong with you. Dental anxiety affects roughly one in three adults and is one of the most common reasons people avoid care until a small problem becomes a serious one. At Grand Mission, Dr. William Sung offers sedation options for every level of anxiety, from mild relaxation to deeper comfort for patients who need more. You stay safe, you stay monitored, and you wake up with your treatment complete. The hardest part is making the call. Everything else we handle.

Sedation Options at Grand Mission

The right level of sedation depends on your anxiety level, the complexity of your treatment, and your personal preferences. Dr. Sung discusses every option honestly before recommending anything.

Nitrous Oxide

The gentlest option. A mixture of nitrous oxide and oxygen is delivered through a small mask over your nose. You feel relaxed and calm within minutes while remaining fully conscious and cooperative. The effects wear off quickly and most patients can drive themselves home after the appointment. Ideal for mild anxiety and shorter procedures.

Oral Sedation

A prescription medication taken approximately one hour before your appointment. Depending on the dose, it produces mild to moderate sedation. You remain conscious and able to respond but feel deeply relaxed and drowsy. Most patients have little to no memory of the procedure afterward. You will need a driver. Used for moderate anxiety and longer appointments where a higher level of comfort is needed.

 IV Moderate Sedation

Sedative medication is delivered directly into a vein for a faster, more precisely controlled response. The level of sedation can be adjusted throughout the procedure. You remain in a twilight state, conscious enough to respond but deeply relaxed and largely unaware of what is happening. You will need a driver. Used for patients with significant anxiety or complex multi-procedure appointments.

Deep Sedation and General Anesthesia

For patients who require maximum comfort, deep sedation produces a state of near or complete unconsciousness. You will not be aware of the procedure, will not feel discomfort, and will have no memory of the experience. Used for the most complex cases or patients for whom lighter sedation is not sufficient. Requires a driver and a recovery period following the appointment.

Who Sedation Dentistry Is For

Sedation is not only for the most fearful patients. It is appropriate for anyone whose treatment experience would be meaningfully improved by a higher level of comfort.

Patients With Dental Anxiety or Phobia

If the thought of sitting in a dental chair causes genuine fear, avoidance, or physical symptoms like rapid heartbeat or nausea, sedation removes that barrier entirely. Treatment that was previously unthinkable becomes straightforward.

Patients Who Avoid the Dentist Due to Past Trauma

Negative dental experiences, particularly from childhood, create lasting associations that make future visits deeply uncomfortable. Sedation interrupts this pattern and gives patients the experience of treatment that is genuinely manageable.

Patients With a Strong Gag Reflex

A hyperactive gag reflex makes many dental procedures difficult or impossible without sedation. Sedation significantly reduces or eliminates the gag reflex, allowing treatment to proceed comfortably and efficiently.

Patients Needing Extensive or Multiple Procedures

Sedation allows Dr. Sung to complete more work in fewer appointments. What might otherwise require four separate visits can often be accomplished in one or two under sedation, reducing total treatment time and the number of times a patient has to walk through the door.

Patients With Special Needs or Sensory Sensitivities

Patients with developmental conditions, sensory sensitivities, or difficulty cooperating with treatment due to physical or cognitive factors benefit significantly from sedation, which allows care to be delivered safely and comfortably.

Why Richmond Chooses Grand Mission

Multiple Sedation Levels Available

From nitrous oxide for mild anxiety to deep sedation for patients who need complete unawareness, Grand Mission offers the full spectrum of sedation options. Dr. Sung matches the level to your specific situation and explains every option before recommending anything.

More Done in Fewer Appointments

Sedation allows Dr. Sung to complete more treatment in each visit. For patients with significant dental work needed, this means fewer separate appointments, faster overall completion, and fewer times you have to come back.

You Are Monitored Throughout

Every sedation appointment at Grand Mission involves continuous monitoring of your vital signs from start to finish. Your safety is the foundation of every sedation procedure we perform.

Meet Your Doctors

Dr. William Sung DMD

General Dentist
Dr. William Sung is motivated by one thing: helping others. Whether easing pain or transforming smiles through cosmetic dentistry, he combines advanced training with genuine care.

Dr. Tam Nguyen DMD

Board Certified Pediatric Dentist
Dr. Tam Nguyen is passionate about making dental visits fun for kids. Her gentle, playful approach helps children build healthy habits and positive relationships with dentistry from an early age.

Dr. Van Nguyen DDS

​Doctor of Dental Surgery
Dr. Van Nguyen loves growing with her patients throughout their dental journey. Specializing in restorative and cosmetic work, she brings artistic precision and genuine care to every smile.

Flexible Financing for Every Budget

Most PPO insurance plans cover the dental procedures performed under sedation. Sedation itself may or may not be separately covered depending on your plan and the clinical necessity. Our team verifies your specific benefits before your appointment. Cherry 0% APR, CareCredit, Alphaeon, and Lending Club are all available for costs beyond coverage.

Special Offers

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Frequently Asked Questions About  sedation

Will I be unconscious during sedation dentistry?

It depends on the type of sedation. Nitrous oxide and oral sedation keep you conscious but deeply relaxed. IV moderate sedation puts you in a twilight state where you are minimally aware. Deep sedation produces near or complete unconsciousness. Dr. Sung recommends the level appropriate for your specific anxiety, procedure, and medical history.

Is sedation dentistry safe?

Yes, when administered by a trained and properly equipped dental team. At Grand Mission, every sedation appointment involves continuous vital sign monitoring throughout the procedure. Dr. Sung reviews your complete medical history before recommending any sedation option to ensure it is safe for you specifically.

Will I need someone to drive me home?

For nitrous oxide only, you can typically drive yourself home once the gas has cleared. For oral sedation, IV sedation, and deep sedation, you must arrange for someone to drive you home and remain with you for a few hours afterward. Dr. Sung confirms this with you at your consultation.

Can I get sedation for a routine cleaning?

Yes. If dental anxiety makes even routine cleanings distressing, sedation is available. Nitrous oxide is commonly used for cleanings and other shorter appointments. Dr. Sung discusses what level makes sense for the specific procedure you need.

How long does it take to recover from sedation?

Nitrous oxide wears off within minutes. Oral sedation effects can linger for several hours after the appointment. IV and deep sedation require the remainder of the day for recovery. Dr. Sung gives you specific aftercare instructions based on the sedation type used.

Is sedation dentistry covered by insurance?

The dental procedures performed under sedation are typically covered by PPO plans when clinically necessary. Sedation itself may have separate coverage depending on your plan. Our team checks your full benefits before your appointment and explains everything clearly before you commit to treatment.

Learn More About Sedation Dentistry

All Resources

Sedation Dentistry Basics: Common Oral Sedation FAQs

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The Benefits of Choosing a Sedation Dentist

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Myths and Facts About Dental Sedation

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Your confident smile

Is our guide

Schedule your appointment today

You have been through enough already. Dental anxiety is real, valid, and completely manageable with the right support. Dr. Sung and our team are ready to make your next appointment the one that changes how you feel about dental care for good.