Age of onset of dental anxiety

Short-term antidepressant treatment of comorbid dental anxiety in patients with panic disorder

OBJECTIVES

The aims of this study were to determine the frequency of dental anxiety (DA) and dental phobia (DP) in panic disorder, and to follow the changes in DA levels during antidepressant treatment of panic disorder.

METHODS

Fifty-three controls and 102 panic disorder patients were assessed using the Structured Clinical Interview (SCID), the Panic-Agoraphobia Scale (PAS), and the Corah Dental Anxiety Scale (DAS). Oral health status was defined by the number of decayed, missing, and filled teeth (DMFT) index. The patients were classified into three groups: (1) those without dental anxiety (WDA), (2) those with dental anxiety (DA), and (3) those with dental phobia (DP). All patients were treated with antidepressants for 3 months and the response rates were assessed.

RESULTS

At baseline, DAS was significantly higher in both the DA and the DP groups than in the control group. Ten (9.8%) of the panic disorder patients fulfilled the diagnostic criteria for DP; 31 (30.4%) had severe DA. In the control group, none of the patients was diagnosed as DP, whereas 7 (13.5%) had severe DA. Panic disorder and DA both responded to the antidepressant treatment, but DAS scores remained significantly higher in the DP group than in the DA group and the control group at the end of the third month.

CONCLUSIONS

Our data suggest that both DA and DP are more frequent in panic disorder than in healthy controls. Antidepressant treatment may have been helpful in decreasing DA levels in the DA group but not in the DP group.

Reliability and validity of the Modified Dental Anxiety Scale (MDAS) in a Turkish population

OBJECTIVES

Fear of dentistry is a common obstacle to obtaining dental care in Turkey. The aim of this study was to assess the reliability, validity and psychometric characteristics of the Turkish translation of the Modified Dental Anxiety Scale (MDAS) and compare it to the Dental Fear Survey (DFS) scores obtained in the same population.

METHODS

The Turkish translated version of the MDAS was administered to 115 dental patients; 21 subjects who suffered from dental phobia, requiring general anesthesia for dental procedures, and 94 who did not have dental anxiety, in addition to 442 subjects from the general population.

RESULTS

The Turkish translated version of the MDAS was internally consistent and reproducible. The patients with dentist phobia had the highest score. The Turkish MDAS correlated with the DFS (r = 0.80, P < 0.001). The MDAS scale correlated inversely (r = -0.14, P < 0.005) with level of education; however, it did not correlate with economic status. Women scored higher than men on the scale (mean = 12.3, SD = 5.2 vs. mean = 10.9, SD = 4.5, P < 0.005). At a cut-off point > or = 15, sensitivity was 0.80, specificity 0.74, positive predictive value 0.41 and negative predictive value 0.94.

CONCLUSION

Although the specificity values were low, the Turkish MDAS demonstrated acceptable sensitivity, positive and negative predictive values. Thus, high reliability and validity of the MDAS supports its cross-cultural validity and indicated that it may be a valuable tool in quantifying fear of dentistry among Turks.

Childhood dental history and adult dental attitudes and beliefs

OBJECTIVE

To examine associations between childhood dental visits and attitudes and beliefs about dental care, and oral health as measured during adulthood.

METHODS

The data were taken from the Florida Dental Care Study (FDCS), a prospective longitudinal study of oral health and dental care, among 683 adults 45 years of age and older who answered questions about early dental history at the 54-month follow-up interview.

RESULTS

Fifty-nine per cent (n = 400) reported having had a dental visit before 18 years of age. Of those with a childhood visit, 72% reported that the first dental visit was a negative experience. Having a childhood dental visit was associated with several positive attitudes and beliefs about dental care. In addition, having early experiences with a dentist was associated with preventive and restorative dental visits and several objective and subjective measures of oral health. Having a negative childhood experience was associated with only one of the adult dental attitude and beliefs subscales, and none of the oral health behaviours.

CONCLUSIONS

Our data suggest that the socialisation associated with early dental visits may occur even though the experience may have been painful or frightening. Although this study design precluded direct inference about causation, these findings do support the utility of further investigations into possible causative linkages between childhood dental experiences and adult attitudinal and dental health outcomes.

A survey on the uses of acupuncture by a group of UK dentists

A small number of fully trained Chinese doctors practise Traditional Chinese Medicine (TCM) in western cities. Use of these services by British citizens is extremely limited, mostly due to lack of any knowledge on the effectiveness of acupuncture or exposure to complementary medicine in this country. Common situations where British patients seek the help of TCM are when medical therapy has failed; in relapsing chronic diseases like asthma, rheumatoid arthritis; and in pain management (mostly headache, migraine and back pain). Patients often appreciate that only limited interventions are available for treatment of these conditions in western medicine. At least one in 10 UK specialist physicians are actively involved in complementary and alternative medicine treatments.(1) A large number of westerners offer acupuncture therapy but lack basic medical training. It is likely that people are reluctant to use these services largely because of hygiene and safety reasons. Moreover, it has been demonstrated that the serious side effects reported are five times more frequent when treatments are provided by non-medically trained therapists compared with professionally registered health care providers.(2).

Attitudes to Conscious Sedation in Patients Attending an Emergency Dental Clinic

Introduction

Anxiety and fear in relation to dentistry are long-standing problems and the incidence of dental fear does not appear to be decreasing. It can result in poor dental health and wastage of clinical time. Conscious sedation is one method of allaying anxiety in dental patients and enables such patients to accept dental treatment.

Aims, Materials and Methods

A questionnaire survey was undertaken among patients attending an emergency dental clinic. Its aims were to assess the levels of dental anxiety in these subjects, the impact on their attendance for dental treatment, and their knowledge of and desire to have conscious sedation, should it be available.

Results

The results indicated that in the 72 patients who responded, levels of anxiety regarding dental treatment were high, with 49 (68%) claiming some nervousness or worse. Thirty-one (43%) cited fear/nervousness as a reason for delaying making a dental appointment. Twenty-seven (38%) were not aware of the existence of conscious sedation for dental treatment, of whom half reported that they were in the highly anxious group. Forty (56%) respondents said they would like to have sedation if it were available. Twenty-five (35%) claimed to have received sedation for dental treatment in the past.

Conclusion

It was concluded that the availability of dental sedation was currently not matching the needs and demands of several patients who took part in the survey. Increased availability of dental sedation could remove a barrier to dental care for many highly anxious dental patients.

Dental fear and oral health and family characteristics of Finnish children

OBJECTIVES

Our aim was to describe the occurrence of dental fear among Finnish children of different ages and to ascertain how oral health and family characteristics are associated with dental fear.

METHODS

The subject groups were aged 3, 6, 9, 12, and 15 years in two middle-sized cities, and the 1474 participants were distributed over fairly equal samples of each age. A questionnaire given to each child to be filled out at home enquired about social background, oral hygiene habits, diet, and dental fear. Oral health status was examined clinically and radiographically by two calibrated dentists. Multiple logistic regression analyses were performed for each age group in order to study the associations between dental fear and selected factors.

RESULTS

Dental fear was higher among 12- and 15-year-old children than among the younger ones. Pain, drilling, and local anesthesia were reported to be the most frightening aspects. Excluding the 12-year-olds, children whose family members reported dental fear were more likely to report dental fear than children whose family members did not report dental fear. Six- and 12-year-olds who had experienced caries were more likely to report dental fear than were caries-free children. Among 6-year-olds, father's education modified the effect of a child's caries experience on child dental fear. Frequent intake of sugary items and a limit on eating candies to only one day per week were associated with higher dental fear.

CONCLUSIONS

Fear of dental treatment is still fairly common among Finnish children, and the factors associated with it differ with the age of the child.

Path model of psychological antecedents to pain experience: experimental and clinical findings

OBJECTIVES

Two studies are described addressing how anxiety, fear of pain, and catastrophizing impact on pain experience.

METHODS

In study 1, 66 undergraduates (34 men, 32 women) completed measures of state and trait anxiety, fear of pain, and catastrophizing prior to participating in a cold pressor procedure. In study 2, 60 undergraduates (30 men, 30 women) completed the same measures and participated in dental hygiene treatment and rated the pain they experienced during a scaling procedure (removing deposits from the tooth surface).

RESULTS

In both studies, fear of pain and catastrophizing were significantly correlated with pain intensity ratings, and fear of pain and catastrophizing were correlated with each other. Trait anxiety was correlated with catastrophizing but not with fear of pain or pain. Path analyses revealed significant paths from trait anxiety to state anxiety, from trait anxiety to catastrophizing, and from catastrophizing to pain intensity ratings.

DISCUSSION

The findings suggest that although fear of pain and catastrophizing are related constructs, catastrophizing provides unique predictive ability for pain ratings, while fear of pain does not. Clinical and theoretical implications of these findings are discussed.

The relationship between anxiety and dental treatment experience in 5-year-old children

OBJECTIVES

To examine the relationship between dental anxiety, dental attendance and past treatment history in 5-year-old children after taking into account confounding influences.

METHODS

A cross sectional study of all 5-year-old children living in Ellesmere Port and Chester. All children were clinically examined and dmft and its components were recorded. A postal questionnaire was sent to parents of participating children to identify whether children attended the dentist on a regular asymptomatic basis or only when experiencing problems. Additionally parents were asked to judge whether they and their child were anxious about dental treatment. The socio-economic status of the family was measured using the Townsend Material Deprivation Index of the electoral ward in which they resided. The bivariate relationships between anxiety and reported attendance experience, past extraction and restoration history were using chi-square and t-tests. Multiple logistic regression analyses identify predictors for dental anxiety.

RESULTS

A total of 1,745 children received both a clinical examination and a questionnaire and 1,437 parents responded, a response rate of 82.3%. One in ten parents (10.8b) judged their child to be dentally anxious. Anxious children had significantly (p<0.001] more caries experience (dmft 2.58 vs 1.12). Multiple logistic regression analyses confirmed that anxious children were more likely to be irregular attenders (OR 3.33, 95% Cl 2.22, 5.00), have anxious parents (OR 1.60,95% Cl 1.09, 2.36), and to have undergone dental extraction in the past[OR 3.50, 95% CI 2.10, 5.85), after controlling for gender and socio-economic status. A past history of restoration was not a significant predictor of anxiety after controlling for other factors.

CONCLUSIONS

Dental anxiety is a fairly common condition in 5-year-old children in the North West of England. It is closely associated with asymptomatic, irregular attendance pattern, a history of extraction and having a dentally anxious parent. The cause and effect dynamics of these relationships need to be determined.

Are there differences in oral health and oral health behavior between individuals with high and low dental fear?

Epidemiological studies of the relationship between dental fear, use of dental services, and oral health in different age groups in a common population are scarce. Dental fear and its relationships are usually described in individuals with high dental fear only. The purposes of this study were to describe the prevalence of dental fear in the Norwegian adult population according to age, and to explore differences in oral health, oral hygiene, and visiting habits between individuals with high and low dental fear. For the present study, data from the Trøndelag-94 study were used. The prevalence of dental fear in our study population of adults in Trøndelag, Norway was 6.6%. There was a tendency for individuals with high dental fear to engage in avoidance behavior more frequently than the low dental fear group. Individuals with high dental fear had a statistically significantly higher number of decayed surfaces (DS), decayed teeth, (DT) and missing teeth (MT) but a statistically significantly lower number of filled surfaces (FS), filled teeth (FT), functional surfaces (FSS), and functional teeth (FST). There were no differences in DMFS and DMFT between the groups of high and low dental fear. Since one of the superior aims of the dental profession is to help a patient to achieve a high number of functional teeth throughout life, consequently detecting and treating dental fear should therefore be an important aspect of dental processionals' work.

The etiology of childhood dental fear: the role of dental and conditioning experiences

This study was aimed to examine the relative importance of invasive treatment experiences in the acquisition of dental fear in children. For this purpose, the complete dental history of 401 children (5-10 years) was studied. The level of dental fear in these children was assessed using the Dental Subscale of the Children's Fear Survey Schedule (CFSS-DS). Differences in treatment variables between fearful and low fearful children were analyzed, and regression analysis was performed to determine significant predictors of dental fear. A significant but weak relation with the number of extractions was found, while no relation with the number of fillings was found. The results have indicated that within the (direct) conditioning pathway, objective dental experiences seem to play a minor role in children's fear acquisition, and it was suggested that subjective dental experiences may play a more decisive role. In addition, clinical support for the latent inhibition theory was provided.

Trauma-related phenomena in anxious dental patients

OBJECTIVES

The main purpose of this descriptive study was to investigate whether dental anxiety is associated with the occurrence of trauma-related symptoms (i.e. recurrent memories and a tendency to avoid these memories) associated with earlier traumatic dental experiences.

METHODS

A sample of 37 consecutive anxious patients attending a dental fear clinic was assessed prior to dental treatment. The results were compared with those of a sample of 32 consecutive patients of a general dental practice, who served as a reference group.

RESULTS

The proportion of patients who indicated they had had a horrific dental experience at least once in their life did not significantly differ between the anxious group and the reference group. Conversely, significantly more patients (76%) in the anxious group reported suffering from memories of these events. They also showed a higher level of trauma-related symptomatology as indexed by the Impact of Event Scale (IES). About half of the anxious patients suffered from symptoms typically reported by patients with posttraumatic stress disorder (PTSD). Severity of dental anxiety showed a high correlation with both frequency of intrusions (r = 0.64, P < 0.001) and avoidance of the memories (r = 0.62, P < 0.001).

CONCLUSIONS

The results suggest that in anticipation of treatment dentally anxious individuals suffer from a high level of intrusive recollections of earlier dental experiences.

The use of restraint in the treatment of paediatric dental patients: old and new insights

OBJECTIVE

This article reviews aspects of the restraint strategies in paediatric dentistry that have been reviewed in recent years and point out those strategies that remain controversial as well as questionable.

METHODS

Studies that evaluated demographic and cultural factors that influence dentists' use of restraint, discussion of the rationale behind the use of restraint, the role of parents, informed consent, use of restraints at the undergraduate and at the postgraduate level, and some ethical questions were selected.

CONCLUSIONS

Practice location, caries prevalence, and the educational backgrounds of the dentist played a role in the selection of behavioural strategies. Use of these techniques varied depending on the age of the dentist and the dental school from which the dentist had graduated. Parents are one leg of the child/dentist/parent triangle and therefore have a role to play in the determination of treatment strategies. Dentists must select techniques that help to instill a positive dental attitude in the child by performing treatment effectively and efficiently. Dentists must inform parents of all aspects of the applied strategy and must have their approval.

Trauma-related sequelae in individuals with a high level of dental anxiety. Does this interfere with treatment outcome?

This study assessed trauma-related sequelae of 56 highly anxious patients attending a dental fear clinic. It was also examined whether such symptomatology interferes with anxiety reduction in response to a cognitive-behavioral treatment approach. About 34 patients (59%) indicated that they had experienced one or more aversive dental events that could explain the onset of their dental anxiety. There was no difference between the dental anxiety scores of patients who reported such a background and those who did not. Severity of trauma-related symptomatology was indexed by the Impact of Event Scale (IES). The mean IES score of patients with a traumatically induced dental fear was remarkably high (33.0; SD=19.7). Furthermore, there was a strong direct relationship between severity of trauma-related symptomatology and severity of dental anxiety (shared variance was 38%). Two patients (10%) met all DSM-IV diagnostic criteria for Posttraumatic Stress Disorder (PTSD) on the basis of the Self-Rating Scale for PTSD. However, no evidence was found to suggest that either a traumatic background, or level of trauma-related symptomatology, has a negative effect on treatment outcome.

Relationship between children's first dental visit and their dental anxiety in the Veneto Region of Italy

The aim of this study was to explore the association between negative experiences during children's first dental visit and any subsequent dental anxiety and related factors in three dental clinics in the Veneto Region of Italy. For this purpose, parents of 378 children filled out a questionnaire. Factors related to child dental anxiety (none-some/fairly much-very much) were explored by means of logistic regression analysis. The independent variables were: problems with tht first dental visit (no/yes), parental dental anxiety (none-some/fairly much-very much), number of previous visits (0-3/4 < or =) site visited (public/private) and age of the child (< 10 years/10 < or = years). Parental anxiety was associated with child's anxiety (OR = 2.3, 95% CI = 1.1-4.9). A problematic first visit was a strong predictor of dental anxiety. However, this effect was modified by the number of subsequent visits. Children with 4 or more visits after the first visit were less likely to be anxious after a problematic first visit (OR = 4.6, 95% CI = 1.5-14.1) than children with 3 visits or less after the first visit (OR = 19.8, 95% CI = 7.2-54.5). Thus, the negative effect of a problematic first visit may fade during subsequent dental visits.

Non-associative fear acquisition: a review of the evidence from retrospective and longitudinal research

It is axiomatic that the capacity to experience fear is adaptive, enabling rapid and energetic response to imminent threat or danger. Despite the generally accepted utility of functional fear, the nature of maladaptive fear remains controversial. There is still no consensus about how specific fears and phobias are acquired and modulated. Two major schools of thought are apparent: those suggesting dysfunctional fear arises largely as the result of associative-conditioning processes versus those who favour more biologically based etiological explanations. In this regard, the non-associative model of fear acquisition postulates the existence of a limited number of innate, evolutionary-relevant fears, while emphasising conditioning modes of onset for evolutionary-neutral fears. Recent retrospective and longitudinal studies have tested predictions from the non-associative model. In general, findings support non-associative hypotheses and are difficult to reconcile with neo-conditioning explanations of fear acquisition. These data suggest that four pathways to fear may provide the most parsimonious theory of fear etiology. The theoretical and practical implications of adding a fourth, non-associative path to Rachman's (Behav. Res. Ther. (1977) 15, 375-387) three 'associative' pathways are discussed. Unresolved issues requiring further investigation are considered.

Determinants of early- vs late-onset dental fear in a longitudinal-epidemiological study

A longitudinal investigation of risk factors for early- and late-onset dental fear was conducted. Early-onset dental fear was related to conditioning experiences (indexed via caries level and tooth loss), service use patterns, stress reactive personality and specific beliefs about health professionals. Late-onset dental fear was related to aversive conditioning experiences, irregular service use and an external locus of control. In contrast to recent findings for dental anxiety, personality factors were not strongly related to the onset of dental fear in young adulthood. The key role played by conditioning events in the development of both early- and late-onset dental fear was confirmed. Conditioning events appear to play a different role in the development of dental fear vs dental anxiety. This may reflect important, but largely ignored differences between these two closely-related constructs. Interventions for early-onset dental fear should aim to modify both the dental fear and the personality vulnerabilities that may contribute to the development of dental fear early in the life-course.

Using psychological assessment and therapeutic strategies to enhance well-being

OBJECTIVE

To provide an overview of the psychological assessment; results from studies examining psychological issues among individuals with craniofacial anomalies (CFA) and other chronic conditions; resilience; and therapeutic strategies to enhance psychological well-being.

CONCLUSIONS

The literature on chronic conditions and findings from studies with people having CFA and their families demonstrate a range of effective adaptation patterns and strategies to enhance issues having an impact on quality of life.

Dental fear among a young adult Saudian population

AIMS

To assess the prevalence of dental fear and reasons for irregular dental attendance among young adult university students; to describe the gender distribution of the dentally anxious population according to the perceived origins or sources of fear; to identify the time of fear development and preference for anaesthesia or sedation before dental treatment.

METHOD

A questionnaire incorporating the Dental Fear Scale (DFS) with items related to sources of dental fear stimuli, together with the preference of anaesthesia or sedation before dental treatment and other characteristics. Approximately 500 questionnaires were distributed among Saudian undergraduate students.

RESULTS

368 questionnaires were completed and presented for statistical analysis. The sight and sensation of anaesthetic needles and the sight, sound and sensation of the drill were rated the most fear-eliciting stimuli. Also, females tended to be more anxious than males. Increased heart rate was the most common reported physiological response to fear resulting from dental treatment. The overall level of fear of dental work among the studied population was found to be about 39%.'Lack of time' and 'no need for treatment' were found to be the main reasons for irregular dental visits. Fear of pain and trauma were the major perceived sources of reported fear reactions and were developed mainly during childhood. About 63% of the subjects preferred to have local anaesthesia before dental treatment to prevent or ameliorate dental fear.

Dental anxiety in relation to mental health and personality factors. A longitudinal study of middle-aged and elderly women

Little is known about the longitudinal course of dental anxiety in relation to age, mental health and personality factors. In 1968 69 a representative sample of 778 women aged 38 to 54 yr took part in a psychiatric examination. Three hundred and ten were followed up in 1992-93. A phobia questionnaire, including assessment of dental fear, and the Eysenck Personality Inventory were distributed to the participants at both occasions. High dental fear was reported by 16.8% of the women at baseline and was associated with a higher number of other phobias, a higher level of neuroticism, more psychiatric impairment, more social disability due to phobic disorder, and a higher anxiety level. Among women who reported high dental fear in 1968 69 (n=36), 64% remitted and 36% remained fearful. Among women with low dental fear in 1968 69 (n = 274), 5% reported high dental fear in 1992-93. Chronicity was associated with higher neuroticism, lower extraversion, and more psychiatric impairment at base-line. Remission was associated with higher extraversion at baseline. Dental anxiety increased or decreased over time in concert with the number of other fears.

Further evidence for the reliability and validity of the Modified Dental Anxiety Scale

AIM

To gain further evidence of the psychometric properties of the Modified Dental Anxiety Scale.

SETTING

Dental admission clinics.

DESIGN

Consecutive sampling, cross-sectional survey.

PARTICIPANTS

Patients (n = 800) in four cities (Belfast, Northern Ireland; Helsinki, Finland; Jyväskylä, Finland and Dubai, UAE).

METHODS

Questionnaire booklet handed to patients, attending clinics, for completion following an invitation by the researcher to be included in the study.

MEASURES

Modified Dental Anxiety Scale (MDAS), together with further questions concerning dental attendance and nervousness about dental procedures.

RESULTS

Overall 9.3 per cent of patients indicated high dental anxiety. MDAS showed high levels of internal consistency, and good construct validity. The relationship of dental anxiety with age was similar to previous reports and showed lowered anxiety levels in older patients.

CONCLUSION

Data from three countries has supported the psychometric properties of this modified and brief dental anxiety scale.

Factors associated with dental anxiety among older people in Britain

OBJECTIVE

This paper reports on a study of dental anxiety among adults aged 60 years living independently in Britain.

DESIGN

A national cross-sectional study carried out with the assistance of the Office for National Statistics' Omnibus Surveys in 1999.

SETTING

Data was collected by face to face interviews with older people in their homes.

MEASUREMENTS

Data on dental anxiety were collected from 973 subjects by means of face to face interviews and was measured by the Dental Anxiety Scale (DAS) (Corah, 1969). In addition, data on dental service use and oral health status (self-reported) was collected.

RESULTS

The mean DAS score was 8.4 (sd 3.5), and 13% (129) of subjects were classified as dentally anxious (DAS > or = 13). DAS scores were associated with numerous socio-demographic factors (P < 0.01), self-reported oral health status (P < 0.01) and dental service (P < 0.01) factors. A series of regression analyses revealed that dental anxiety was a significant predictor of a number of behavioural and oral health outcomes.

CONCLUSION

One in eight older people in Britain are dentally anxious and this is associated with their use of services and oral health status (self-reported).