Dental fear

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Dental fear
Other namesDental anxiety, dental phobia, odontophobia
Figure 1 Vicious cycle of dental fear.jpg
Cycle of dental fear

Dental fear, or dentophobia, is a normal emotional reaction to one or more specific threatening stimuli in the dental situation. [1] [2] However, dental anxiety is indicative of a state of apprehension that something dreadful is going to happen in relation to dental treatment, and it is usually coupled with a sense of losing control. [1] Similarly, dental phobia denotes a severe type of dental anxiety, and is characterized by marked and persistent anxiety in relation to either clearly discernible situations or objects (e.g. drilling, local anesthetic injections) or to the dental setting in general. [1] The term ‘dental fear and anxiety’ (DFA) is often used to refer to strong negative feelings associated with dental treatment among children, adolescents and adults, whether or not the criteria for a diagnosis of dental phobia are met. Dental phobia can include fear of dental procedures, dental environment or setting, fear of dental instruments or fear of the dentist as a person. [3] People with dental phobia often avoid the dentist and neglect oral health, which may lead to painful dental problems and ultimately force a visit to the dentist. The emergency nature of this appointment may serve to worsen the phobia. This phenomenon may also be called the cycle of dental fear. [3] Dental anxiety typically starts in childhood. [1] There is the potential for this to place strains on relationships and negatively impact on employment. [4]

Contents

Dental fear, anxiety, and phobia seem to be interchangeably used, however, there is a fundamental difference between each.

Dental anxiety is fear of the unknown. It's the worry that people commonly experience because they are about to do something that they have never done, possibly going to dental clinic for the first time or getting a new procedure.

Dental fear is a response to past negative experiences that triggers apprehension.

Dental phobia is a severe, irrational fear of dental situations leading to complete avoidance of dental care, often impacting daily functioning and health. [5]

Signs and symptoms

As with all types of fear and phobias, dental fear can manifest as single or combination of emotional, physiological, cognitive and behavioural symptoms. [6]

Dental Phobia can be classified into 3 broad classes:

Emotional response

Physiological response

Cognitive response

Behavioural response

Cause

Research suggests that there is a complex set of factors that lead to the development and maintenance of significant dental anxiety or dental phobia, which can be grouped as genetic, behavioral and cognitive factors. [8] In comparison to other phobias, literature on odontophobia is relatively limited.

In order to better address the patients with dental fear, it is very important to understand the causes and factors associated with them.

Several theories have been proposed; however, a 2014 review describes five pathways which relate specifically to development dental fear and anxiety: Cognitive Conditioning, Vicarious, Verbal Threat, Informative, and Parental. However, there may be a variety of background factors common to all general fear and anxiety conditions that may be at play and affect these more specific pathways. [8]

Conditioning

Conditioning is defined as the process by which a person learns through personal experience that an event or stimulus will result in a detrimental outcome, e.g. "if I visit the dentist, it is going to be sore". As, expected dental fear is associated with previous traumatic experiences, especially their first one. [1] It is believed to be the most commonly used pathway for patients to develop dental fear and anxiety. [8]

Informative

This indirect pathway relates to fear acquisition through gaining information and becoming bias to the dental environment from dental phobic elders, negative connotations advertised by media (e.g. television, movies), and friends with personal negative experiences. [8]

Vicarious

The vicarious pathway suggests that fear is acquired through imagination of the feelings, experience or actions of another person. Whether this pathway occurs on its own or in combination with others is still unknown. It has been suggested that dental fear in the very young is passed through this pathway through observation of expressions of fear by elders/parents at the dentist. [8]

Verbal threat

This pathway can be seen as similar to the informative pathway, however it is more reliant on the emotion of fear elicited by "word of mouth" and is heavily modulated by the messenger. In essence the verbal threat pathway is the fear induced when an authority figure threatens an individual with a painful experience. In the case of dental fear, the painful and/or negative experiences linked to dental visits. Although at a glance, the verbal threat and informative pathway are similar, in odontophobia the two pathways differ in that the verbal threat pathway occurs when a “visit to the dentist” is literally used as a form of punishment for bad behaviour. This does not occur in the informative pathway. [8]

Parental modelling

There is a significant relationship between child and parental dental fear, [10] especially that of the mothers. [8] it has been suggested that this relationship is strongest in children 8 years or younger. [8] However, it is important to note the parental modelling pathway may overlap with the informative or vicarious pathways are all linked in some way.

Diagnosis

Several methods have been developed to diagnose dental fear and anxiety. In addition to identifying the patients with dental fear, different categories of dental fear have been established. [3] [11] These include:

General health impacts caused by Dental phobia

The presence of dental phobia can have major impacts on overall health, wellbeing, and quality of one's life, in addition to directly impacting their dental health.

Management

Dental fear varies across a continuum, from very mild fear to severe. Therefore, in a dental setting, it is also the case where the technique and management that works for one patient might not work for another. Some individuals may require a tailored management and treatment approach. [6]

The management of people with dental fear can be done using shorter term methods such as hypnosis and general anesthetic, or longer term methods such as cognitive behavioral therapy and the development of coping skills. Short term methods have been proven to be ineffective for long-term treatment of the phobia, since many return to a pattern of treatment avoidance afterwards. Psychological approaches are more effective at maintaining regular dental care, but demand more knowledge from the dentist and motivation from the patient [3]

Similarly, distraction techniques can also be utilized to divert the patient's attention to allow them to avoid supposed negativity and be more comfortable. This can be achieved through television or movies, or a physical distraction such as focusing on another body part such as wiggling the toes or fingers. [6]

More recent research indicates that the use of conscious sedation combined appropriate communication techniques may relieve the anxiety in the long-term. [15]

Psychocognitive

Modelling

Modelling is a form of psycho-behavioural therapy used to alleviate dental fear. Commonly used in paediatric dentistry, it involves the showing of a procedure under a simulated environment. It allows the patient to observe the behaviour of a friend,  family member, or other patient when put in a similar situation, therefore, accommodating for the learning of new coping mechanisms. [6] Modelling can be presented live using a parent or actor as well as virtually through pre-recorded films. [4]

Tell-show-do

Tell-show-do is a common non-pharmacological practice used to manage behaviour such as dental fear, especially in paediatric dentistry. [6] The purpose of this intervention is to promote a positive attitude towards dentistry and to build a relationship with the patient to improve compliance. The patient is gradually introduced to the treatment. Firstly, the dentist "tells" the patient what the dental procedure will be using words. In 'show' phase, the patient is familiarized with dental treatment using demonstrations. Lastly, in 'do' phase, the dentist proceeds with the treatment following the same procedure and demonstrations illustrated to the patient. [16]

Behavioral techniques

A technique known as behavioral control involves the person giving a signal to the clinician when to stop the procedure. This could be simply raising a hand to let the clinician know, however, the signal that is chosen will be discussed prior. This technique provides the people with a sense of control over the appointment and as so, instills trust in the dentist. [4]

Cognitive behavioral therapy

Cognitive behavioral therapy (CBT) appears to decrease dental fear and improve the frequency people go to the dentist. [17] CBT for dental anxiety is often performed by psychologists, but the effect has proven to be good also when administered by trained dentists. [18] [15] Other measures that may be useful include distraction, guided imagery, relaxation techniques, and music therapy. [4] [19] Behavior techniques are believed to be sufficient for the majority of people with mild anxiety. [20] The quality of the evidence to support this, however, is low. [21]

Environment changes

It has been suggested that the ambience created by the dental practice can play a significant role in initiating dental fear and anxiety by triggering sensory stimuli. It has been suggested that the front of house staff, e.g. receptionist and dental nurses contribute to elicit a better cognitive and emotional experience for anxious patients by showing a positive and caring attitude and by adopting good communication techniques. [6] For patients whose dental avoidance is related to their experiences of assault and trauma, being guided by the patients' preferences, for aspects like chair positioning, may help to avoid retriggering them. [22] Anxious patients should not be made to wait too long in waiting rooms, so that they have less time to recall and absorb negative feelings. There is some small evidence that the waiting areas with soft music playing and dimmer lights and cooler in temperature produces a more calming effect. It has also been stipulated that masking strong clinical smells like eugenol with more pleasant smells can help to reduce anxiety, however this is more likely to be effective in moderate rather than severe anxiety. [6]

Hypnosis

Hypnosis may be useful in certain people. [4] Hypnosis may improve a person's level of cooperation and decrease gagging. [23]

Music Therapy

Music therapy has shown promising results as a non-invasive method for reducing dental anxiety. By using music as a therapeutic tool, patients can experience decreased stress levels and improved relaxation during dental procedures. Music can help lower cortisol levels, modulate autonomic responses, and provide a distraction from the sounds and sensations of dental work however review of RCT's show minimal to no effect of music therapy on dental phobia. [24]

Virtual Reality Exposure Therapy (VRET)

VRET has shown to be very effective in managing different type of phobias and in recent times few studies have been done to determine its implications in Dental phobia. Gujjar et al.'s RCT showed VRET condition patients showed a significant reduction in anxiety scores. [25]

Progressive muscle relaxation

Ideally done in a sitting position, this relaxation technique for certain muscle groups can be implemented in the waiting room. The major muscles groups include

  • feet, calves, thighs, and buttocks
  • hands, forearms, and biceps
  • chest, stomach, and lower back; and
  • head, face, throat, and shoulders [6]

The steps according to Edmund Jacobson are as follows:

  1. Gently inhale, hold and exhale, being aware of the rise and fall of the chest.
  2. Slightly extend and stretch toes towards knees, hold briefly and then let go. Recognize the difference in sensation.
  3. Press heels of feet into the floor, hold and let go.
  4. Press knees together hold briefly before letting them drift apart. Be aware of the change.
  5. Squeeze buttocks together, hold before letting go.
  6. Pull in stomach muscles towards the spine, hold briefly before releasing. Feel the difference.
  7. Gently pull shoulders towards ears, enough to feel some tension in them, hold briefly before letting go.
  8. Press upper arms and elbows into sides of the body, hold and then let go. Recognize a difference in feeling.
  9. Gently clench hands, hold and let go.
  10. Extend head forward slightly, hold briefly before releasing the tension and allowing for the head to return to the resting position.
  11. Press the lips together before letting go until they are barely touching. Purse lips and let go, feeling the tension being let go.
  12. Push the tongue to the roof of the mouth, hold briefly before letting it drop loosely. [6]

Systematic desensitisation

Desensitisation in dentistry refers to the gradual exposure of a new procedure to the patient in order to calm their anxiety. It is based on the principle that a patient can overcome their anxiety if they are gradually exposed to the feared stimuli, whether imagined or real, in a controlled and systematic way. Exposure to the feared stimuli or situation is recognised as a central treatment component for specific phobias. [26] [27]

Medication

Pharmacological techniques to manage dental fear range from conscious sedation to general anaesthesia; these are often used and work best in conjunction with behavioural (non-pharmacological) techniques. [28]

Premedication

Premedication refers to medication given prior to initiation of dental treatment. [29] Benzodiazepines, a class of sedative drugs, are commonly used as premedication, in the form of a tablet, to aid anxiety management before dental treatment. [30] Benzodiazepines are however addictive and subject to abuse, therefore only the minimum number of tablets required should be prescribed. Patients may also be required to be accompanied to their dental appointment by an escort. [31] In the UK, temazepam used to be the drug of choice however, lately, midazolam has become much more popular. In children, a recent meta-analysis comparing oral midazolam against placebo showed some improvement in co-operation in children using midazolam. [30] One of the disadvantages of oral premedication is that it is not titratable (i.e. it is difficult to adjust the dose to control the level of sedation desired) and therefore this technique should be only be used when other titratable sedation techniques are inappropriate. [19]

Conscious sedation

Conscious sedation refers to the use of a single or combination of drugs to help relax and reduce pain during a medical or dental procedure. There are a range of techniques and drugs that can be used; these need to be tailored to the individual need of the patient taking into account the medical history, the skill and training of the dentist/sedationist and the facilities and equipment available. Conscious sedation is traditionally considered a short-term solution for patients with dental anxiety, but recent research indicate that provided good communication techniques and the use of other adaptations throughout the treatment, the dental anxiety reduction achieved may be lasting. [15]

General anaesthesia

General anaesthesia is rarely used in the general dental practice, but can be provided. This is usually performed in practices specifically set up to provide this level of sedation. Most often this type of sedation is reserved for the developmentally disabled and is provided by an anesthesiologist working in conjunction with a general dentist. This service, though rare, can often be found in larger cities such as Portland, Oregon. [32]

The use of general anaesthesia to reduce the pain and anxiety associated with dental treatment should be discouraged and general anaesthesia should be undertaken only when absolutely necessary. [6]

Epidemiology

Individuals who are highly anxious about undergoing dental treatment comprise approximately one in six of the population. [4] Middle-aged women appear to have higher rates of dental anxiety compared to men. [4]

See also

Related Research Articles

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A phobia is an anxiety disorder, defined by an irrational, unrealistic, persistent and excessive fear of an object or situation. Phobias typically result in a rapid onset of fear and are usually present for more than six months. Those affected go to great lengths to avoid the situation or object, to a degree greater than the actual danger posed. If the object or situation cannot be avoided, they experience significant distress. Other symptoms can include fainting, which may occur in blood or injury phobia, and panic attacks, often found in agoraphobia and emetophobia. Around 75% of those with phobias have multiple phobias.

Specific phobia is an anxiety disorder, characterized by an extreme, unreasonable, and irrational fear associated with a specific object, situation, or concept which poses little or no actual danger. Specific phobia can lead to avoidance of the object or situation, persistence of the fear, and significant distress or problems functioning associated with the fear. A phobia can be the fear of anything.

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<span class="mw-page-title-main">Dentist</span> Health care occupations caring for the mouth and teeth

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<span class="mw-page-title-main">Claustrophobia</span> Fear of small spaces

Claustrophobia is a fear of confined spaces. It is triggered by many situations or stimuli, including elevators, especially when crowded to capacity, windowless rooms, and hotel rooms with closed doors and sealed windows. Even bedrooms with a lock on the outside, small cars, and tight-necked clothing can induce a response in those with claustrophobia. It is typically classified as an anxiety disorder, which often results in panic attacks. The onset of claustrophobia has been attributed to many factors, including a reduction in the size of the amygdala, classical conditioning, or a genetic predisposition to fear small spaces.

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<span class="mw-page-title-main">Inhalation sedation</span>

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  1. Depress the central nervous system (CNS) to an extent that surgeons can operate with minimal physiological and psychological stress to the patient
  2. Modify the patient's state of mind such that communication is maintained and the patient can respond to verbal command
  3. Carry a margin of safety wide enough to render the unintended loss of consciousness and loss of protective reflexes unlikely.

Ad de Jongh is a Dutch professor in anxiety disorders, dentist and mental health psychologist (gz-psychology) who contributed to the fields of dental fear, anxiety, and trauma-related disorders.

References

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  19. 1 2 Ibbetson R, Blayney M, Rookes V, Cowpe J, Craig D, Felix D, et al. (Intercollegiate Advisory Committee for Sedation in Dentistry) (2015). Standards for Conscious Sedation in the Provision of Dental Care (PDF). United Kingdom: RCS Publications. p. 11. ISBN   9780702049804. OCLC   915494772.
  20. ↑ Department of Health. Salaried Primary Dental Care Services: Toolkit for Commissioners. p9. London: Department of Health, 2009
  21. ↑ Wide Boman U, Carlsson V, Westin M, Hakeberg M (June 2013). "Psychological treatment of dental anxiety among adults: a systematic review". European Journal of Oral Sciences. 121 (3 Pt 2): 225–34. doi: 10.1111/eos.12032 . PMID   23659254.
  22. ↑ "A tooth examination can be terrifying for victims of rape and assault. These dentists want to help them". www.bbc.com. Retrieved 2024-03-09.
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  24. ↑ Steenen, Serge A.; Linke, Fabiënne; van Westrhenen, Roos; de Jongh, Ad (2024-07-01). "Interventions to reduce adult state anxiety, dental trait anxiety, and dental phobia: A systematic review and meta-analyses of randomized controlled trials". Journal of Anxiety Disorders. 105: 102891. doi:10.1016/j.janxdis.2024.102891. ISSN   0887-6185. PMID   38945067.
  25. ↑ Gujjar, Kumar Raghav; van Wijk, Arjen; Kumar, Ratika; de Jongh, Ad (March 2019). "Efficacy of virtual reality exposure therapy for the treatment of dental phobia in adults: A randomized controlled trial". Journal of Anxiety Disorders. 62: 100–108. doi:10.1016/j.janxdis.2018.12.001. ISSN   1873-7897. PMID   30717830.
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  27. ↑ Klinberg G (February 2008). "Dental anxiety and behaviour management problems in paediatric dentistry--a review of background factors and diagnostics". European Archives of Paediatric Dentistry. 9 Suppl 1 (S1): 11–5. doi:10.1007/BF03262650. PMID   18328243. S2CID   3740272.
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  29. ↑ "BNF is only available in the UK". NICE. Retrieved 2020-02-19.
  30. 1 2 Ashley PF, Chaudhary M, Lourenço-Matharu L (December 2018). "Sedation of children undergoing dental treatment". The Cochrane Database of Systematic Reviews. 2018 (12): CD003877. doi:10.1002/14651858.CD003877.pub5. PMC   6517004 . PMID   30566228 . Retrieved 2020-02-19.
  31. ↑ Richards D (June 2012). "SDCEP Dental Prescribing app". Evidence-Based Dentistry. 13 (2): 61–2. doi: 10.1038/sj.ebd.6400867 . PMID   22722422. S2CID   39392869.
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