Sedation
Dental phobia, or fear of dentists and dental procedures, is a frequent problem. For your comfort, Camden High Street Practice introduced sedation during dental procedures when needed. Sedation dentistry is an essential element to ensuring you have a comfortable dental experience.
Dental sedation is a technique that induces a state of semi-consciousness by administering specific types of drugs. You are awake but do not feel any pain. It is also known as twilight sleep because you don’t remember feeling any pain.
There are several routes for dental sedation administration, each inducing a variable degree of decreased awareness of the surroundings. Camden High Street Dental Practice is a leading dental facility in London, offering a pain-free, comfortable dental experience through safe and efficient sedation solutions.
Indications for Sedation
Sedation is safe for all age ranges; even children can benefit from sedation. The categories eligible for sedation include:
- Patients with dental phobia (fear of dentists and dental work).
- Patients with a phobia of needles.
- Children and patients with special needs.
- Patients with decreased sensitivity to local anaesthesia.
- Patients with a gag reflex.
- Patients undergoing lengthy procedures, such as multiple implants or oral surgeries .
- Children, to increase their cooperation.


Benefits of Dental Sedation
Dental sedation is a crucial component of successful dental treatment. Patients who experience anxiety about dental visits and procedures may neglect their oral health, resulting in more severe issues. Sedation provides comfort by reducing the patient’s perception of pain, which enhances their confidence in undergoing pain-free dental care. This positive experience encourages patients to return for regular visits, ultimately helping them maintain their oral hygiene and prevent more significant dental problems.
Additionally, a patient’s comfort and absence of pain can influence the duration of a dental visit. When a patient is relaxed, the appointment may be extended to complete multiple treatments in one visit, thereby reducing the total number of required visits and saving the patient time.
Dental sedation can be particularly advantageous for patients with a heightened gag reflex. Sedative medications used in dentistry promote muscle relaxation, which alleviates the gag reflex and facilitates more effective dental procedures.
Cons of Dental Sedation
- Added cost: Dental sedation is considered a separate service added to the treatment cost. Dental sedation fees are worth the comfort they offer, in addition to the multiple treatments that can be accomplished during the same visits, which will be reflected in the number of visits required. Consult our dental experts to learn more about the fees of dental sedation and our special payment plans.
- Not suitable for everyone: Some patients should avoid dental sedation, such as pregnant women. Consult our dental experts to determine if you are a good candidate for dental sedation.
- Side effects: Minor side effects, such as nausea and dizziness, may occur after dental sedation. These are rare and usually resolve within a few hours.
- Memory loss: Rarely, you might experience temporary memory loss of the procedure as a side effect of intravenous sedation, which some patients may appreciate.

Types of Sedation Used in Dentistry
The selection of a suitable sedation method depends on several factors, including the procedure duration, medical history, and your level of anxiety. Sedation types include:
Nitrous oxide
Nitrous oxide, also known as laughing gas, is administered through inhalation.
The operator will adjust the gas dose, and then you will be asked to wear a mask or nosepiece and slowly inhale. The effect begins within 3 to 5 minutes. Once the dental procedure is completed, a high dose of oxygen is supplied to flush away the nitrous oxide.
The effect of nitrous oxide disappears immediately after its removal, and you can drive away safely. In general, sedation is not recommended during pregnancy as it may affect fetal development. But nitrous oxide may be used during the second trimester.
Oral sedation
The procedure involves sedation through oral pill ingestion. Examples of oral sedatives include diazepam and lorazepam. For children, a liquid sedative can be used, such as Midazolam oral syrup.
The effect begins after one hour. You will feel so calm that you may fall into a light sleep. You will need to arrange a drive home after your session because oral sedation may affect your motor skills and memory.
Intravenous sedation
This is the most robust form of dental sedation, delivered directly into the bloodstream through an intravenous line. You will fall asleep and not remember anything about the procedure.
Your dentist will closely monitor your blood pressure, oxygen level, and heart rate during the procedure. It is suitable for individuals experiencing severe anxiety or undergoing lengthy treatment.
Levels Of Dental Sedation and Their Applications
There are four levels of dental sedation, each can be achieved by a specific sedative drug. The choice of the sedation level depends on the level of anxiety and the type of dental procedure.
-
Mild sedation (Anxiolysis) Moderate sedation Deep sedation Sedation drug and route of administration Nitrous oxide Inhalation. Diazepam and lorazepam.
Oral pills.
Intravenous injection. Degree of consciousness Completely awake, conscious, and aware of the undergoing procedure, but in a relaxed state. Awake and conscious but in a deeper relaxation state compared to mild sedation. You may not entirely remember the procedure. The least degree of consciousness, also called twilight sleep. You may fall asleep and will not remember the procedure. Airway Not affected. Not affected. May require intervention. Your vital signs are closely monitored throughout the procedure. Recovery Full recovery once the gas feeding is stopped and oxygen is administered. The sedation effect may take a long time to wear off. It is better to arrange a ride home, as it is unsafe to leave alone and drive. It takes around 24 hours to fully recover. It is better to arrange a ride home, as it is unsafe to leave alone and drive. Dental applications Safe to be used in children and pregnancy in the third trimester.
It can be used for dental extractions, root canals , and dental fillings .
Used in cases with a more severe degree of anxiety and during lengthier procedures, such as dental implants. Lenthy oral surgeries, such as several implant placements, impacted wisdom teeth extraction , and gum surgeries.
What Is the Difference Between Sedation and General Anaesthesia?
Both sedation and general anaesthesia are techniques used to alleviate pain and ensure comfort during specific procedures; however, they affect consciousness to varying degrees.
Sedation involves the alteration of consciousness; however, even in the most profound forms of sedation, such as deep sedation, you do not completely lose consciousness. While you may fall asleep, you remain responsive to stimuli. The body continues to function normally without external assistance during various types of sedation. This procedure can be performed in a dental clinic without the need for hospitalisation.
While general anaesthesia induces a state of complete unconsciousness and a loss of response to stimuli, it also affects the body’s functions, necessitating assistance with breathing. For this reason, general anaesthesia is administered only in hospitals, where the necessary equipment is available. In dentistry, general anaesthesia is used in the following cases:
- Extensive dental procedures, such as the repair of facial bone fractures resulting from severe trauma or accidents.
- Agitated young children who require multiple dental procedures.
- Patients with cognitive or physical impairments who may need additional support.

Dental Sedation at Camden High Street Dental Practice
During your initial consultation visit, our dental experts will discuss the option of sedation if needed. They will collect a detailed medical history and the medications you are currently on. According to the gathered data, the most suitable method of sedation and the recommended dose of the drug used are selected.
You will be advised to refrain from consuming any food or beverages six hours before your dental treatment that requires sedation. Continue your medications as usual, except for blood thinners, which must be stopped before dental procedures involving bleeding, such as oral surgeries .
Once the sedative medication and local anaesthesia kick in, our professional dentists will start the necessary dental procedure while closely monitoring your vital signs.
After you complete your treatment, you will need a friend or family member to drive you home, especially if oral or intravenous sedation was used. If the sedative you used was nitrous oxide, it is safe to drive after it wears off, following oxygen administration.
Recovery after Dental Sedation
Recovery after sedation depends on the type of sedation used.
Recovery after nitrous oxide takes around 15- 30 minutes after oxygen administration. You will be cognisant and all set to continue your daily activities and drive yourself home.
Recovery after oral and intravenous sedation takes around 24 hours. You may feel a little dizzy. So, it would be better to arrange with someone you know to pick you up after you finish. You may need to rest a day at home before continuing your work and daily activities.
Stay hydrated. Drink plenty of fluids and water to flush the sedative drug from your system. Avoid alcohol.
It is better to start with soft food in the first few hours before eating normally. Follow the post-operative recovery instructions of the dental procedure given to you concerning eating.
If you stopped any medications, such as blood thinners, continue to take them as usual.
Advantages of Sedation
- Lowers Anxiety and fear.
- Reduces gag sensation.
- Increase comfort during lengthy dental procedures such as implants.
- Painless dental procedures.
- Fewer dental appointments because your dentist can perform more procedures while you are comfortable.
Complications of Sedation
Sedation is safe. However, some short-term complications may occur, such as
- Nausea and vomiting.
- Dry mouth.
- Headache.
- Drowsiness.
- Bruising because of the IV needle.
- Rarely, some allergic reactions may occur
Book a consultation at Camden High Street Dental Practice today!
Delaying a required dental procedure because of fear is never a solution. On the contrary, it may complicate the treatment. At Camden High Street Practice, we always care about your comfort. Call us at 02073886108 to schedule a visit or book online to discuss the most suitable sedative for you with our experts for an optimum dental experience.
Frequently Asked Questions
The different types of dental sedation include:
- Inhalation sedation: nitrous oxide gas that is administered through a nasal canula or mask. It provides mild sedation with easy recovery.
- Oral sedation: the sedation drug is in the form of pills, ingested by the patient, and the effect appears after around 30 minutes to one hour. It provides a moderate sedation and takes a few hours for recovery.
- Intravenous sedation: The sedation drug is injected intravenously. It provides a deep effect sedation and you may fall asleep, and when you wake up, you will have no memory of the procedure. It takes up to the next day to recover.
During your consultation visit, our dental experts collect a detailed medical history, then perform a dental examination to determine the required procedure. During your open conversation with our experts, they will assess your degree of anxiety. All these factors help our dental experts to determine the most suitable type of sedation for you.
When you are under the effect of sedation medication, you will feel comfortable and relaxed, but you are still conscious. You will not feel any pain. You may fall into light sleep under the effect of deep sedation.
Before your sedation visit, you may be advised to:
- Stop food and beverages 6 hours before your session.
- Take your prescribed medication as usual. Unless our experts advise otherwise.
- If you planned for oral or intravenous sedation, arrange a ride home.
Yes. Dental sedation is safe for children. Children are one of the strong candidates for dental sedation to increase their cooperation during dental treatment. Inhalation sedation is the most common type of dental sedation used for children.
Both sedation and general anaesthesia are methods to reduce pain and ensure comfort during a specific procedure. During sedation, you are conscious and may fall into a light sleep, but during general anaesthesia, you will enter a deep sleep and may require assistance with breathing. While sedation can be performed in the dental office by a dental professional, general anaesthesia requires hospitalisation, highly skilled staff, and very close monitoring of your vital signs.
Sedation is not recommended during pregnancy as it may affect fetal development. In some cases, nitrous oxide can be used during the second trimester.
If you had oral or intravenous sedation, you should rest for 24 hours. If you have nitrous oxide sedation, you can drive once released from the office.
You can resume all your daily activities, work, or school immediately after leaving the dental office if nitrous oxide is used. But wait for a day in case of intravenous or oral sedation.
Sedation is safe. However, some short-term complications may occur, such as nausea and vomiting, dry mouth, headache, drowsiness, bruising because of the IV needle, and rarely, some allergic reactions may occur.
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