Publications by authors named "Adrian Ujin Yap"

Background: This study developed and tested a multi-dimensional model for evaluating the severity of temporomandibular disorders (TMDs) based on the five core symptoms (5Ts) of the Diagnostic Criteria for TMDs (DC/TMD).

Methods: Study participants were sourced from a university hospital. The 5Ts screener was expanded to include the dimensions of duration, frequency, intensity, and interference with daily activities (5Ts-4D).

View Article and Find Full Text PDF

Background: Emerging research suggests that reduced Oral Health-Related Quality of Life (OHRQoL) in orthodontic patients may be more closely linked to Temporomandibular disorders (TMDs) than malocclusion severity.

Objectives: This study assessed the burden and severity of TMD symptoms in prospective orthodontic patients, examined their relationships with malocclusion severity, somatic symptoms, psychological distress, jaw function and OHRQoL, and identified factors associated with high jaw functional limitation (JFL) and low OHRQoL.

Methods: Participants completed a survey covering demographics, the Five TMD Symptoms-Burden screener, Short-form Fonseca Anamnestic Index, Somatic Symptom Scale-8, Patient Health Questionnaire-4, Jaw Functional Limitation Scale-8 and Oral Health Impact Profile-14.

View Article and Find Full Text PDF

Objectives: This study investigated nurses' personal oral health behaviours, oral health knowledge, and attitudes and beliefs regarding the oral care of older adult inpatients in a community hospital. It also explored the associations between the type of nursing personnel and years of work experience with oral health attitudes and beliefs.

Background: Nurses can substantially impact inpatients' general and oral health outcomes through oral health assessments and oral care.

View Article and Find Full Text PDF

Objectives: This study examined the occurrence of specific oral activities across different temporomandibular disorder (TMD) subtypes and explored the associations of oral behaviours with psychological distress, sleep propensity and jaw function. Additionally, it identified the sociodemographic and biopsychosocial determinants of high jaw overuse behavior (JOB) in TMD patients.

Methods: Participants from a dental hospital completed a comprehensive survey covering sociodemographics, the Symptom Questionnaire and relevant psychosocial/behavioural measures of the Diagnostic Criteria for TMDs (DC/TMD), as well as the Epworth Sleepiness Scale.

View Article and Find Full Text PDF

This cross-sectional study investigated the psychosocial and behavioral characteristics of young Chinese Temporomandibular Disorders (TMD) patients, relationships between pain intensity, depression, anxiety, oral behaviors, jaw function, and Oral Health-related Quality of Life (OHRQoL), as well as factors contributing to low OHRQoL. Youths aged 15 to 24 years were enrolled at a tertiary dental hospital. Participants were evaluated using the Diagnostic Criteria for TMDs Axis I protocol and Axis II measures, including the Patient Health Questionnaire-9, General Anxiety-7, Oral Behaviors Checklist, and Jaw Functional Limitation Scale-8.

View Article and Find Full Text PDF

Background: Health anxiety (HA) has been underexplored in temporomandibular disorders (TMDs). This study compared general anxiety (GA) and HA across TMD subtypes, examining correlations with depression, pain intensity, sleep propensity, oral behaviours, jaw function, and oral health-related quality of life (OHRQoL).

Methods: Participants recruited from TMD patients completed a survey with the General Anxiety Disorder-7 Scale, Whitely Index-8, relevant DC/TMD Axis II measures, Epworth Sleepiness Scale, and Oral Health Impact Profile for TMDs, followed by a physical examination.

View Article and Find Full Text PDF

Background: A unified framework for assessing temporomandibular disorder (TMD) pain and dysfunction across multiple symptom dimensions is beneficial.

Objectives: The study explored the associations between TMD symptom subtypes and dimensions with emotional distress, jaw function and oral health-related quality of life (OHRQoL). Additionally, it examined factors linked to high jaw functional limitation (JFL) and low OHRQoL.

View Article and Find Full Text PDF

Background: Previous studies on temporomandibular disorders (TMDs) in early adolescence have predominantly featured Western samples, with a focus on mental ill-being.

Objectives: This pioneering study investigated the relationships between TMD pain, somatic symptoms, and both mental well-being and ill-being. It also examined mind-body correlates in Asian young adolescents.

View Article and Find Full Text PDF

Objectives: This study is the first to explore the utilisation of Complementary and Alternative Medicine (CAM) among Southeast Asian temporomandibular disorder (TMD) patients. It examined specific CAM modalities, usage patterns, satisfaction, perceived effectiveness and the factors associated with CAM use for TMDs.

Methods: Participants were recruited from a multidisciplinary TMD clinic, with diagnoses established using the Diagnostic Criteria for TMDs (DC/TMD).

View Article and Find Full Text PDF

Objectives: A four-dimensional structure for oral health-related quality of life (OHRQoL) was recently proposed, comprising oral function (OF), orofacial pain (OP), orofacial appearance (OA) and psychosocial impact (PI). This study examined the impact of different temporomandibular disorder (TMD) symptoms on the four OHRQoL dimensions in young adults. It also correlated the four dimensions with the seven Oral Health Impact Profile (OHIP) domains.

View Article and Find Full Text PDF

Objective: This cross-sectional study investigated the prevalence/severity of somatic symptoms, their relationship with psychological distress and oral behaviors in different temporomandibular disorder (TMD) diagnostic subtypes, and identified biopsychosocial factors associated with depression, anxiety, and jaw overuse behavior among East Asian patients.

Methods: Anonymized data from consecutive new TMD patients at a tertiary oral medicine clinic were evaluated. TMD diagnoses were determined using the DC/TMD methodology, while somatic symptoms, depression, anxiety, and oral behaviors were assessed with the Patient Health Questionnaire (PHQ)-15, PHQ-9, Generalized Anxiety Disorder Scale-7, and Oral Behavior Checklist.

View Article and Find Full Text PDF

Objectives: Recently, the Short-Form Fonseca Anamnestic Index (SFAI) was shown to have high diagnostic accuracy when compared to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) in patient samples. This study investigated the dimensionality of the parent instrument (Fonseca Anamnestic Index [FAI]) and validated its main component using Rasch analysis in non-patient populations.

Methods: FAI data from a total of 901 participants from Singapore and Indonesia with a mean age 19.

View Article and Find Full Text PDF

Objective: The scarcity of literature necessitates further research to differentiate between acute and chronic painful temporomandibular disorders (TMDs). This study compared pain characteristics, oral behaviors, jaw function, and psychosocial distress between TMD patients with acute and chronic pain, examined correlations among variables, and identified factors associated with chronic pain-related TMDs (PT).

Methods: Anonymized data were gathered from consecutive patients seeking TMD treatment at a university-based oral medicine clinic.

View Article and Find Full Text PDF

Aim: This study aimed to evaluate the factor structure of the Oral Behaviors Checklist (OBC) in Chinese temporomandibular disorder (TMDs) patients and compare the outcomes with those of Western patients. Additionally, it examined the correlations between different OBC subscale scoring methods.

Methods: A total of 869 patients completed a survey that included demographic information, the Symptom Questionnaire, and OBC.

View Article and Find Full Text PDF

Background: The Depression, Anxiety, Stress Scales-21 (DASS-21) contain three subscales measuring depression, anxiety, and stress. Several abbreviated DASS-21 versions have been developed, demonstrating better clinical utility and measurement properties than the original instrument. This study explored the factor structure of various abbreviated DASS-21 versions and identified/validated the optimal one for assessing young adults with temporomandibular disorders (TMDs).

View Article and Find Full Text PDF

Background: Hospitals face mounting pressure to reduce unplanned utilization amid rising healthcare demands from an aging population. The Case management for At-Risk patients in the Emergency Department (CARED) program is among the first ED transitional care strategies to focus on both frail older adults and emergency department (ED) re-attenders to reduce acute hospital utilization. This study aims to evaluate the effectiveness of the CARED program in reducing hospital (re)admissions and ED re-attendances within 30- and 60 days post-discharge.

View Article and Find Full Text PDF

Background: There is limited understanding of how temporomandibular disorder (TMD) symptoms, psychological distress, and well-being are related to each other and to OHRQoL in Chinese young adults.

Objectives: This study aimed to identify correlations between TMD symptom severity, psychological status, and OHRQoL while also examining factors associated with low OHRQoL.

Methods: Participants, recruited from a major university in the capital city, completed a survey that included demographics, the Chinese versions of the expanded five TMD symptoms (5Ts) screener, Depression, Anxiety, Stress Scales-21 (DASS-21), Ryff's Scales of Psychological Well-being-18 (SPWB-18), and Oral Health Impact Profile for TMDs (OHIP-TMD).

View Article and Find Full Text PDF

Studies on the effectiveness of community-based health interventions (CBHIs) in improving lifestyle practices among older adults are limited. This study evaluated the impact of a CBHI on health knowledge, lifestyle goal attainment, and practices among older adults in Singapore. Older adults (aged ≥60 years) were recruited from 29 senior recreation centres to participate in the "Wise and Well" programme, a 3-month CBHI designed to empower individuals to make healthier lifestyle choices.

View Article and Find Full Text PDF

Background: Despite global popularity, Community-based Health Intervention (CBHI) programmes have yet to be fully incorporated into Singapore's public healthcare systems, with most initiatives focusing on specific diseases. This qualitative study aimed to evaluate older adults' perceptions of the "Get Well, Live Well" multi-domain preventive health programme, explore the effectiveness of Community Health Workers (CHWs) in promoting health literacy and modifying health behaviours, and examine participants' experiences in the CHW-delivered CBHI programme.

Methods: Purposeful sampling was used to recruit study subjects from participants in the "Get Well, Live Well" programme until data saturation was achieved.

View Article and Find Full Text PDF

Objectives: Ageing populations present substantial challenges for healthcare systems. Community-based health worker (CHW) interventions for promoting healthy ageing and preventing/managing non-communicable diseases have gained considerable attention in recent years. This study aimed to assess the impacts of a multidomain preventive health initiative delivered by CHWs, specifically the 'My Health Map (MHM)' programme, on participants' health service utilisation using a propensity score matching methodology.

View Article and Find Full Text PDF

Objectives: Quality improvement (QI) is critical in facilitating advancements in patient outcomes, system efficiency and professional growth. This paper aimed to elucidate the underlying rationale and framework guiding JurongHealth Campus (JHC), a nascent Regional Health System, in developing its QI capacity and capability at all levels of the organisation.

Methods: An exhaustive analysis of high-performance management systems and effective improvement frameworks was conducted, and the principles were customised to suit the local context.

View Article and Find Full Text PDF

Objectives: The relationship of somatisation with facial pain duration/intensity, pain-related interference/disability and psychological distress was investigated in East Asian temporomandibular disorder (TMD) patients. Correlations between somatisation, facial pain and psychological characteristics were also explored alongside the demographic/physical factors associated with moderate-to-severe depression and anxiety.

Methods: Anonymised data were acquired from records of consecutive 'first-time' patients seeking TMD care at a tertiary oral medicine clinic.

View Article and Find Full Text PDF

Background: Temporomandibular disorders (TMDs) may be an 'idiom' of psychological distress in Confucian heritage cultures (CHCs).

Objectives: This systematic review/meta-analysis estimated the prevalence of TMDs in CHCs and compared the differences in TMD occurrence between time periods and age groups. Additionally, the associated biopsychosocial risk factors were also examined.

View Article and Find Full Text PDF

Background: There is limited knowledge about the impact of painful temporomandibular disorders (TMDs) and pain characteristics on jaw functional limitation and oral health-related quality of life (OHRQoL) in TMD patients.

Objectives: The influence of painful TMDs and pain characteristics on jaw functional limitation and OHRQoL was investigated. Inter-relationships between limitation in jaw function and various OHRQoL domains, along with facial pain attributes predicting impaired jaw function and diminished OHRQoL were also examined.

View Article and Find Full Text PDF

Objective: The association between the 'fear of missing out (FOMO)' and physical symptoms has not been widely explored. This study aimed to investigate the relationship between FOMO and other negative emotions with Temporomandibular disorder (TMD) and somatic symptoms in young adults. The correlations between the various physical and emotional variables were also established.

View Article and Find Full Text PDF