Concerns raised by people treated for head and neck cancer: a secondary analysis of audiotaped consultations in a health services follow-up clinic.

PURPOSE: People treated for head and neck cancer (HNC) face various barriers in communicating concerns with consultants. Our aim was to investigate the number of concerns raised between patients using the Patient Concerns Inventory (PCI) and those who did not. The PCI is a 57-item prompt list used in routine HNC follow-up clinics. Additionally, we aimed to examine whether who initiated the concerns differed between groups and the factors that may predict this initiation. METHODS: Secondary data analysis included 67 participants across 15 HNC consultants from specialist cancer centres in Liverpool and Leeds. Seven consultants utilised the PCI and eight did not, assigned by preferential and random assignment. RESULTS: Patients in the PCI group raised on average 2.5 more concerns than patients in the non-PCI group (p < .001). There was no significant relationship between group and who initiated the first concern (p = .28). A mixed-effects logistic regression was found to significantly predict who initiated the first concern in consultations (p < .05). DISCUSSION: The number of concerns raised by patients increased when the PCI was introduced pre-HNC consultation. A number of factors were shown to predict the number of concerns raised in consultations by both patient and consultant. As concerns may not be raised further following the concern mentioned, we propose that the discussion of concerns needs to be maintained by the clinician throughout the consultation and not solely at the start. CONCLUSION: The PCI promoted the sharing of concerns in follow-up consultations between patient and consultant.

What is the prevalence of fear of cancer recurrence in cancer survivors and patients? A systematic review and individual participant data meta-analysis.

OBJECTIVE: Care for fear of cancer recurrence (FCR) is considered the most common unmet need among cancer survivors. Yet the prevalence of FCR and predisposing factors remain inconclusive. To support targeted care, we provide a comprehensive overview of the prevalence and severity of FCR among cancer survivors and patients, as measured using the short form of the validated Fear of Cancer Recurrence Inventory (FCRI-SF). We also report on associations between FCR and clinical and demographic characteristics. METHODS: This is a systematic review and individual participant data (IPD) meta-analysis on the prevalence of FCR. In the review, we included all studies that used the FCRI-SF with adult (≥18 years) cancer survivors and patients. Date of search: 7 February 2020. Risk of bias was assessed using the Joanna Briggs Institute critical appraisal tool. RESULTS: IPD were requested from 87 unique studies and provided for 46 studies comprising 11,226 participants from 13 countries. 9311 respondents were included for the main analyses. On the FCRI-SF (range 0-36), 58.8% of respondents scored ≥13, 45.1% scored ≥16 and 19.2% scored ≥22. FCR decreased with age and women reported more FCR than men. FCR was found across cancer types and continents and for all time periods since cancer diagnosis. CONCLUSIONS: FCR affects a considerable number of cancer survivors and patients. It is therefore important that healthcare providers discuss this issue with their patients and provide treatment when needed. Further research is needed to investigate how best to prevent and treat FCR and to identify other factors associated with FCR. The protocol was prospectively registered (PROSPERO CRD42020142185).

Communication strategies to encourage child participation in an oral health promotion session: An exemplar video observational study.

BACKGROUND: The oral health promotion sessions for young children and parents in a clinical setting pose challenges to the dental team. AIM: To apply PaeD-TrICS (Paediatric dental triadic interaction coding scheme) to investigate the interaction of child, parent and dental nurse and determine the effect of nurse and parental behaviours on child participation within an oral health promotion session. METHOD: A video observational study was applied. The sample consisted of a dental nurse and 22 children aged 2-5 years in a general dental practice in Scotland. Behaviours were catalogued with time stamps using PaeD-TrICS. Analysis of behavioural sequences with child participation as the dependent variable was conducted using multilevel modelling. RESULTS: Children varied significantly in their participation rate. The statistical model explained 28% of the variance. The older the child and longer consultations significantly increased child participation. Both nurse and parental behaviour had immediate influence on child participation. Parental facilitation had a strong moderating effect on the influence of the nurse on child participation. CONCLUSIONS: Child participation was dependent on nurse and parent encouragement signalling an important triadic communication process. The coding scheme and analysis illustrates an important tool to investigate these advisory sessions designed for delivering tailored messages to young children and parents. PATIENT OR PUBLIC CONTRIBUTION: The dental staff, child patients and their parents were involved closely in the conduct and procedures of the present study.

Implementing the Smile4life intervention for people experiencing homelessness: a path analytical evaluation.

BACKGROUND: People experiencing homelessness have high levels of dental decay, oral cancer and poor oral health-related quality of life. The Scottish Government sought to address these issues by developing a national oral health improvement programme for people experiencing homelessness, named Smile4life. The aim was to investigate implementation behaviours and the role of work-related beliefs upon the delivery of the Smile4life programme across NHS Board areas in Scotland. METHODS: Non-probability convenience sampling, supplemented by snowball sampling, was used to recruit practitioners working across the homelessness sector. The overall evaluation of the implementation of the Smile4life programme was theoretically informed by the Behaviour Change Wheel. The questionnaire was informed by the Theoretical Domains Framework and was divided into three sections, demography and Smile4life Awareness; Smile4life Activities; and Smile4life work-related beliefs. A psychometric assessment was used to develop Smile4life Awareness, Smile4life Activities, Ability to Deliver and Positive Beliefs and Outcomes subscales. The data were subjected to K-R20, exploratory factor analysis, Cronbach's alpha, t-tests, ANOVA, Pearson's correlation analysis and a multivariate path analysis. RESULTS: One hundred participants completed the questionnaire. The majority were female (79%) and worked in NHS Boards across Scotland (55%). Implementation behaviour, constructed from the Delivering Smile4life scale and the summated Smile4life activities variable, was predicted using a linear model a latent variable. The independent variables were two raw variables Positive Beliefs and Outcomes, and Ability to deliver Smile4life. Results showed relatively good model fit (chi-square (1.96; p > 0.15), SRMR (< 0.08) and R2 (0.62) values). Positive and highly significant loadings were found describing the Implementation Behaviour latent variable (0.87 and 0.56). The two independent variables were associated (p < 0.05) with Implementation Behaviour. CONCLUSIONS: Work-related factors, such as positive beliefs and outcomes and ability to deliver are required for implementation behaviours associated with the delivery of the Smile4life programme. Future work should include training centred on the specific needs of those involved in the homelessness sector and the development of accessible training resources, thereby promoting implementation behaviours to assist the progression and sustainability of the Smile4life programme.

Screening for fear of cancer recurrence: Instrument validation and current status in early stage lung cancer patients.

BACKGROUND: Fear of cancer recurrence (FCR) is one of the most distressing concerns for cancer patients. A psychometrically validated brief scale is urgently needed for use in busy clinical oncology settings. This study aimed to (1) develop and validate the 7-item fear of cancer recurrence scale Chinese version (FCR7-C), and (2) explore the severity of FCR in post-operative early-stage lung cancer patients in Taiwan. METHODS: Early-stage lung cancer patients were recruited from a medical center in Taiwan. The FCR7-C was evaluated for content and construct validity and internal consistency reliability. Construct validity of FCR7-C was determined by the empirically supported correlation and confirmatory factor analysis (CFA). RESULTS: A total of 160 subjects were recruited. The FCR7-C was shown to have satisfactory content validity and internal consistency reliability (Cronbach's α = 0.9). The uni-dimensional structure was confirmed by CFA that showed a good fit for the model. The FCR7-C score correlates positively with the degree of most of the physical symptoms, anxiety, and depression, but correlates negatively with patient age, performance status, and quality of life. We found that 81.9% of patients reported at least some FCR, with a mean FCR severity of 15.18 (SD = 7.78). CONCLUSION: FCR7-C is a brief screening tool with good psychometrics. Patients with early-stage lung cancer still revealed mild to moderate level of FCR. Applying the FCR7-C for to screen cancer patients' distress and further develop personalized psychological interventions would be strongly suggested.

Fear of cancer recurrence in adolescent and young adult cancer survivors: A systematic review of the literature.

OBJECTIVE: The current systematic review aims to provide an overview of fear of cancer recurrence (FCR) in adolescent and young adult cancer survivors (15-39 years at cancer diagnosis, AYAs). METHODS: MEDLINE, PubMed, PsycINFO, and Embase databases were independently searched to identify relevant quantitative articles. PRISMA systematic review procedures were followed with quality assessment. RESULTS: Seventeen studies were included in the current review. All were quantitative studies that utilized a cross-sectional study design. Seven articles reported results of FCR prevalence, six studied determinants related to FCR, and 11 articles provided information about consequences of FCR. Prevalence of FCR ranged from 31% to 85.2% among AYA survivors. Associations between sociodemographic/clinical variables and FCR were inconsistent. Psychological distress and higher treatment intensity were positively associated with higher FCR levels. Lower scores on levels of physical, psychological functioning, and overall health-related quality of life (QoL) were identified as consequences of increased FCR. CONCLUSION: FCR appears to be a prevalent concern among adolescent and young adult cancer populations. Adequate assessment to determine need for support and intervention is still required. Longitudinal studies in AYAs are warranted to understand the development and potential influence of FCR. Age-appropriate and flexible psychological care would be more successful potentially with this crucial background information.

The psychometric properties of the CFSS-DS for schoolchildren in Saudi Arabia: A confirmatory factor analytic approach.

AIM: To test the psychometric properties of an Arabic version of the Child Fear Survey Schedule-Dental Subscale (CFSS-DS) a using confirmatory factor analysis. METHODS: Two convenience samples were obtained: Sample [1]: 600 boys (33%) and girls attending 4 public schools in Onizah and Sample [2] 800 girls attending 8 public schools in Buridah. The questionnaire asked the participant's age, gender, and completion of the CFSS-DS. The data were subjected to exploratory factor analysis (EFA), parallel factor analysis, Cronbach's alpha, confirmatory factor analysis (CFA), and goodness of fit statistics. RESULTS: A total of 513 children in Sample [1] and 503 children in Sample [2] participated giving a valid response rate of 86% and 67%, respectively. From the EFA, 3 factors were identified and confirmed statistically using parallel factor analysis. The internal consistency of the 3 factors, Dental Fear Subscale (0.86), Hospital Fear Subscale (0.77), and Stranger Fear Subscale (0.71), was good. The CFA showed that the current EFA model was an equivalent fit to the El Housseiny et al (BMC Oral Health 2016;16:49). model; however, the solution using El Housseiny et al's structure was distorted. CONCLUSIONS: A 3-factor structure with acceptable reliability exists for this Arabic version of the CFSS-DS, confirmed by a CFA using an additional data set.

Development of an interaction coding scheme (PaeD-TrICS) to record the triadic communication behaviours in preventive dental consultations with preschool child patients and families: a video-based observational study.

BACKGROUND: There is a paucity of research concerning paediatric dental consultations in primary care. This is potentially due to the difficulty of measuring the communication behaviours in the complex triadic consultations. The present study aims to describe the development and refinement of a coding scheme to record the triadic communication between dental professionals, child patients and parents. METHODS: The PaeD-TrICS was developed from video observation of triadic communications and refined through an iterative process. Its practical applicability was assessed via implementation of the scheme on specialised behavioural coding software. Reliability was calculated using Cohen's Kappa. RESULTS: The PaeD-TrICS contains 45 codes. Forty-four dental professional-child-parent communications were successfully coded through administering the scheme on The Observer XT 10.5 system. Cohen's Kappa was 0.83 (inter-coder) and 0.90 (intra-coder). "Parental verbal facilitation" (mean = 1.68/min) was the most frequent behaviour. Dental professionals' "dentally engaging talk" (mean = 1.24/min), "praise" (mean = 1.10/min) and "instruction" (mean = 0.62/min) were frequently seen. Children's common behaviours included "speech other" (mean = 0.66/min) and non-verbal behaviour i.e. "non-verbal agreement" and verbal behaviour "speech yes" (mean = 0.26/min). CONCLUSIONS: The PaeD-TrICS is developed to capture the communication behaviour of the triadic consultations in a preventive dental setting. It demonstrates satisfactory intra- and inter-coder reliability and has been successfully used in paediatric dental consultations.

Multimorbidity and Socioeconomic Deprivation in Primary Care Consultations.

PURPOSE: The influence of multimorbidity on the clinical encounter is poorly understood, especially in areas of high socioeconomic deprivation where burdensome multimorbidity is concentrated. The aim of the current study was to examine the effect of multimorbidity on general practice consultations, in areas of high and low deprivation. METHODS: We conducted secondary analyses of 659 video-recorded routine consultations involving 25 general practitioners (GPs) in deprived areas and 22 in affluent areas of Scotland. Patients rated the GP's empathy using the Consultation and Relational Empathy (CARE) measure immediately after the consultation. Videos were analyzed using the Measure of Patient-Centered Communication. Multilevel, multi-regression analysis identified differences between the groups. RESULTS: In affluent areas, patients with multimorbidity received longer consultations than patients without multimorbidity (mean 12.8 minutes vs 9.3, respectively; P = .015), but this was not so in deprived areas (mean 9.9 minutes vs 10.0 respectively; P = .774). In affluent areas, patients with multimorbidity perceived their GP as more empathic (P = .009) than patients without multimorbidity; this difference was not found in deprived areas (P = .344). Video analysis showed that GPs in affluent areas were more attentive to the disease and illness experience in patients with multimorbidity (P < .031) compared with patients without multimorbidity. This was not the case in deprived areas (P = .727). CONCLUSIONS: In deprived areas, the greater need of patients with multimorbidity is not reflected in the longer consultation length, higher GP patient centeredness, and higher perceived GP empathy found in affluent areas. Action is required to redress this mismatch of need and service provision for patients with multimorbidity if health inequalities are to be narrowed rather than widened by primary care.

INTERVAL (investigation of NICE technologies for enabling risk-variable-adjusted-length) dental recalls trial: a multicentre randomised controlled trial investigating the best dental recall interval for optimum, cost-effective maintenance of oral health in dentate adults attending dental primary care.

BACKGROUND: Traditionally, patients at low risk and high risk of developing dental disease have been encouraged to attend dental recall appointments at regular intervals of six months between appointments. The lack of evidence for the effect that different recall intervals between dental check-ups have on patient outcomes, provider workload and healthcare costs is causing considerable uncertainty for the profession and patients, despite the publication of the NICE Guideline on dental recall. The need for primary research has been highlighted in the Health Technology Assessment Group's systematic review of routine dental check-ups, which found little evidence to support or refute the practice of encouraging 6-monthly dental check-ups in adults. The more recent Cochrane review on recall interval concluded there was insufficient evidence to draw any conclusions regarding the potential beneficial or harmful effects of altering the recall interval between dental check-ups. There is therefore an urgent need to assess the relative effectiveness and cost-benefit of different dental recall intervals in a robust, sufficiently powered randomised control trial (RCT) in primary dental care. METHODS: This is a four year multi-centre, parallel-group, randomised controlled trial with blinded outcome assessment based in dental primary care in the UK. Practitioners will recruit 2372 dentate adult patients. Patient participants will be randomised to one of three groups: fixed-period six month recall, risk-based recall, or fixed-period twenty-four month recall. Outcome data will be assessed through clinical examination, patient questionnaires and NHS databases. The primary outcomes measure gingival inflammation/bleeding on probing and oral health-related quality of life. DISCUSSION: INTERVAL will provide evidence for the most clinically-effective and cost-beneficial recall interval for maintaining optimum oral health in dentate adults attending general dental practice. TRIAL REGISTRATION: ISRCTN95933794 (Date assigned 20/08/2008).

The relationship between cancer patient's fear of recurrence and radiotherapy: a systematic review and meta-analysis.

OBJECTIVE: This review aims to provide an overview of the current knowledge available on the nature and extent of the relationship between external-beam radiotherapy (RT) and fear of cancer recurrence (FoR). METHODS: PubMed, MEDLINE, and EMBASE databases were searched to identify relevant studies. Systematic review procedures were followed including a quality assessment. Meta-analysis of suitable studies was conducted. RESULTS: Twenty-five eligible studies were included in the systematic review, and 15 of them were included in further meta-analysis. Meta-analysis of the available data confirmed a weak relationship between RT and FoR (15 studies, 9567 patients, overall r = 0.053, 95% confidence interval, 0.021-0.085, P = .001). Subgroup analysis based on cancer site (breast cancer versus other types of cancer) revealed that the correlation between RT and FoR was statistically significant in "other cancer" group (P < .001) but was nonsignificant in "breast cancer" group (P = .538). CONCLUSIONS: While meta-analysis reports a statistically significant association between cancer patient's FoR and the receipt of RT, these results should be interpreted with caution owing to significant variability between studies. Further longitudinal studies should be conducted to address the trajectory of FoR over RT in greater detail.

Assessing the psychometric and ecometric properties of neighborhood scales using adolescent survey data from urban and rural Scotland.

BACKGROUND: Despite the well-established need for specific measurement instruments to examine the relationship between neighborhood conditions and adolescent well-being outcomes, few studies have developed scales to measure features of the neighborhoods in which adolescents reside. Moreover, measures of neighborhood features may be operationalised differently by adolescents living in different levels of urban/rurality. This has not been addressed in previous studies. The objectives of this study were to: 1) establish instruments to measure adolescent neighborhood features at both the individual and neighborhood level, 2) assess their psychometric and ecometric properties, 3) test for invariance by urban/rurality, and 4) generate neighborhood level scores for use in further analysis. METHODS: Data were from the Scottish 2010 Health Behaviour in School-aged Children Survey, which included an over-sample of rural adolescents. The survey responses of interest came from questions designed to capture different facets of the local area in which each respondent resided. Intermediate data zones were used as proxies for neighborhoods. Internal consistency was evaluated by Cronbach's alpha. Invariance was examined using confirmatory factor analysis. Multilevel models were used to estimate ecometric properties and generate neighborhood scores. RESULTS: Two constructs labeled neighborhood social cohesion and neighborhood disorder were identified. Adjustment was made to the originally specified model to improve model fit and measures of invariance. At the individual level, reliability was .760 for social cohesion and .765 for disorder, and between .524 and .571 for both constructs at the neighborhood level. Individuals in rural areas experienced greater neighborhood social cohesion and lower levels of neighborhood disorder compared with those in urban areas. CONCLUSION: The scales are appropriate for measuring neighborhood characteristics experienced by adolescents across urban and rural Scotland, and can be used in future studies of neighborhoods and health. However, trade-offs between neighborhood sample size and reliability must be considered.

A single-item screening question for fear of recurrence in head and neck cancer.

Fear of recurrence (FoR) is the most frequent concern patients wish to discuss in head and neck review clinics. The aim of the study was to design a simple screening question on fear of recurrence to be incorporated into the University of Washington Quality of Life Questionnaire (UW-QOLv4), for use in clinical practice. A cross-sectional survey comprising 528 patients was conducted. 11 % selected the two most severe FoR categories. FoR responses correlated strongly (Spearman r s = -0.82) with the mean score of the seven items of the Fear of Recurrence Questionnaire. There was also a strong association with anxiety and mood dysfunction as measured from the UW-QOL, and with overall QOL. Patients more affected by FoR tended to be younger and post-radiotherapy or chemotherapy. The FoR screening question may be a useful addition to the UW-QOLv4 to help identify patients with significant FoR to receive extra support.

Adult Dental Anxiety: Recent Assessment Approaches and Psychological Management in a Dental Practice Setting.

Dental anxiety of patients is a common feature of the everyday experience of dental practice. This article advocates the use of regular assessment of this psychological construct to assist in patient management. Various tools, such as the Modified Dental Anxiety Scale (MDAS), are available to monitor dental anxiety that are quick to complete and easy to interpret. Patient burden is low. A new mobile phone assessment system (DENTANX) is being developed for distribution. This application and other psychological interventions are being investigated to assist patients to receive dental care routinely. Clinical relevance: This article provides evidence and expert opinion on the worth of regular dental anxiety assessment in dental practice using structured tools, such as the Modified Dental Anxiety Scale, and consideration of psychological intervention development.

Why do women not return family history forms when referred to breast cancer genetics services? A mixed-method study.

BACKGROUND: Personal and family data forms, completed by women referred to breast cancer genetics clinics, are valuable tools for verification and extension of family history, crucial steps in accurate risk evaluation. A significant minority of women do not complete and return these forms, despite reminders, even when completion is a pre-requisite for a clinic appointment. OBJECTIVE: To facilitate access of women at increased familial risk of breast cancer to screening and counselling services by investigating reasons for non-return of the forms. PARTICIPANTS AND DESIGN: Based on a single regional 'breast cancer family' service in the UK, Analysis of quantitative data comparing women who did not return forms (n = 55) with those who had done so (n = 59), together with qualitative evaluation of potential barriers to form-completion through semi-structured telephone interviews with a random subset of 'non-returners' (n = 23). RESULTS: Non-returners have higher proportions of the very young (below the age at which surveillance could be offered) and of women from lower social deprivation categories. Interviews revealed that the majority of non-returners are anxious, rather than unconcerned about their breast cancer risk and circumstances and attitudes contributed to non-compliance. Twenty-one participants confirmed that they would welcome an appointment at a 'breast cancer family' clinic, but nine did not attend for the appointment. They were significantly younger than those who attend, but were not at lower familial risk. DISCUSSION AND CONCLUSIONS: Many women who fail to complete and return a family history form would benefit from risk assessment and genetic counselling. Several steps are suggested that might help them access the relevant services.

How head and neck consultants manage patients' emotional distress during cancer follow-up consultations: a multilevel study.

Head and neck cancer (HNC) patients suffer substantial emotional problems. This study aimed to explore how utterance-level variables (source, type and timing of emotional cues) and patient-level variables (e.g. age, gender and emotional well-being) relate to consultants' responses (i.e. reducing or providing space) to patient expressions of emotional distress. Forty-three HNC outpatient follow-up consultations were audio recorded and coded, for patients' expressions of emotional distress and consultants' responses, using the Verona Coding Definitions of Emotional Sequence. Multilevel logistic regression modelled the probability of the occurrence of consultant-reduced space response as a function of patient distress cue expression, controlling for consultation and patient-related variables. An average of 3.5 cues/concerns (range 1-20) was identified per consultation where 84 out of 152 total cues/concerns were responded by reducing space. Cue type did not impact on response; likewise for the quality of patient emotional well-being. However, consultants were more likely to reduce space to cues elicited by patients, as opposed to those initiated by themselves. This reduced space response was more pronounced as the consultation continued. However, about 6 min into the consultation, this effect (i.e. tendency to block patients) started to weaken. Head and neck consultants' responses to negative emotions depended on source and timing of patient emotional expressions. The findings are useful for training programme development to encourage consultants to be more flexible and open in the early stages of the consultation.

Reassurance and distress behavior in preschool children undergoing dental preventive care procedures in a community setting: a multilevel observational study.

BACKGROUND: The effect of reassurance in managing distress among children who receive procedures of a less aversive nature has not been fully investigated. PURPOSE: This study aimed to investigate the relationship between reassurance by dental staff and distress behavior of preschool children receiving preventive procedures in a community setting. METHODS: Nurse-child interactions (n = 270) during fluoride varnish application were video recorded and coded. Multilevel logistic regression modeled the probability of the occurrence of child distress behavior as a function of reassurance provision, controlling for child-level and nurse-level variables. RESULTS: Child distress behavior was positively related to nurse verbal reassurance but negatively linked to the time that this reassurance occurred. Both child initial anxiety and nurse nonprocedural training increased the probability of observable distress behavior. CONCLUSIONS: The use of verbal reassurance to promote reception of mild invasive procedures was counterindicated, especially when offered early in the intervention ( ClinicalTrials.gov number: NCT00881790).

Prediction of nursery school-aged children who refuse fluoride varnish administration in a community setting: a Childsmile investigation.

BACKGROUND: Young children of pre-school age may find a minimal intervention (fluoride varnish application) difficult to tolerate. AIM: To determine the significant predictors for refusing a fluoride varnish application from child, parental and nurse behaviour factors. DESIGN: Data included videos from 238 children (52% female, aged 3-5 years) receiving a fluoride varnish application in a Scottish nursery school setting. The St Andrews Behavioural Interaction Scheme (SABICS) was used for video coding and retrieved child refusal status, initial anxious behaviour, and nurse behaviour. A parental survey collected parent's dental anxiety [Modified Dental Anxiety Scale (MDAS)] and the child's home behaviour [Strengths and Difficulties Questionnaire (SDQ)]. Child demographics, dental status, and previous varnish application experience were recorded. Multivariate binary logistic regression was applied to predict child refusal of the varnish application. RESULTS: The response rate was 79%. Twelve children refused. The significant predictors of varnish refusal included initial anxious child behaviour (ß = 5.14, P = 0.001), no previous varnish application (ß = -3.89, P = 0.04), and no nurse praise (ß = -1.06, P = 0.02). Information giving (P = 0.06) and reassurance (P = 0.08) were borderline significant. CONCLUSION: Initial anxiety behaviour, previous varnish experience, and not using praise by the nursing staff predicted fluoride varnish application refusal.

Why are people afraid of the dentist? Observations and explanations.

OBJECTIVE: The aim of this review was to explore the peer-reviewed literature to answer the question: 'Why are people afraid of the dentist?' METHOD: Relevant literature was identified by searching the following on-line databases: PubMed, PsycInfo, the Cochrane Library and Google Scholar. Publications were extracted if they explored the causes and consequences of dental fear, dental anxiety or dental phobia. RESULTS: The research evidence suggests that the causes of dental fear, dental anxiety or dental phobia are related to exogenous factors such as direct learning from traumatic experiences, vicarious learning through significant others and the media, and endogenous factors such as inheritance and personality traits. Each individual aetiological factor is supported by the evidence provided. CONCLUSIONS: The evidence suggests that the aetiology of dental fear, anxiety or phobia is complex and multifactorial. The findings show that there are clear practical implications indicated by the existing research in this area: a better understanding of dental fear, anxiety and phobia may prevent treatment avoidance.

The relationship of dental caries and dental fear in Malaysian adolescents: a latent variable approach.

BACKGROUND: To investigate the role of geography (place of residence) as a moderator in the relationship between dental caries disease and treatment experience and dental fear in 16-year-olds living in Malaysia. METHODS: A multi-stage-stratified sampling method was employed. Five hundred and three, 16-year-olds from 6 government secondary schools participated in this study. The questionnaire examined participants' demographic profile and assessed their dental fear using the Dental Fear Survey (DFS). The clinical examination consisted of the DMFT as the outcome measure of dental caries disease and treatment experience by a single examiner (ICC = 0.98). Structural equation modelling inspected the relationship between dental fear and dental caries disease and treatment experience. RESULTS: The mean DMFT was 2.76 (SD 3.25). The DT, MT and FT components were 0.64 (SD 1.25), 0.14 (SD 0.56) and 1.98 (SD 2.43) respectively. Rural compared with urban adolescents had significantly greater mean numbers of decayed and missing teeth. The mean DFS score was 40.8 (SD 12.4). Rural compared with urban adolescents had significantly higher mean scores for physical symptoms of dental fear. The correlation between dental fear (DFS) and dental caries disease and treatment experience (DMFT) was 0.29, p < 0.0001. The structural equation model fitted the raw data well (χ2 = 9.20, df = 8, p = 0.34). All components of DMFT were closely associated in equal strength to the unidimensional hypothetical latent variable of dental caries disease and treatment experience. The strength of the relationship between dental fear and dental caries disease and treatment experience varied in accordance with place of residence. CONCLUSION: In conclusion a relationship between dental fear and dental caries disease and treatment experience was shown to exist in 16-year-old adolescents living in Malaysia. This study showed that the rural-urban dichotomy acted as a moderator upon this relationship.