Mapping the legacy of the world workshop on oral medicine: a 35-year global bibliometric analysis.

OBJECTIVE: This study utilized bibliometric methodologies to explore the body of research presented at the World Workshop on Oral Medicine (WWOM) over the past 35 years. METHODS: A systematic tracking of articles across 8 editions of WWOM was conducted using databases such as Web of Science, Scopus, and PubMed. Comprehensive bibliographic analysis and data visualization were executed through Bibliometrix, Rstudio, and VOSviewer, facilitating an in-depth examination of citation metrics and collaborative networks. RESULTS: The investigation revealed that WWOM, held in 6 cities spanning four countries and addressing 33 distinct topics, demonstrated an annual citation growth rate of 8.29%, with an average of 49.31 citations per article. Notably, WWOM IV garnered the highest number of citations (1,342), reaching its peak in 2021 with 365 citations. Key contributors to the most-cited articles include Al-Hashimi, Dawes, and Syrjänen et al. Since its inception, the workshops have engaged 505 faculty members from 37 nations, with significant participation from the Americas and Europe, notably the United States and the United Kingdom, which also led in terms of publications. Network analysis delineated 6 country clusters, underscoring robust connections between the US and the UK. Co-authorship analysis revealed 18 clusters involving 267 authors. CONCLUSION: The influence of the WWOM on the field of oral medicine is clearly demonstrated by the outcomes of its publications, reflecting a collaborative effort to enhance comprehension and treatment modalities for patients with oral diseases. The study's findings provide insights into future research directions within the WWOM legacy.

The development and cognitive testing of a patient-reported experience measure for patients with chronic pain of temporomandibular disorders.

INTRODUCTION: The importance of the patients' clinical experience has been reinforced several times over the last decade by healthcare organisations and policy makers. Routine gathering of experience data can help in enhancing patient-centred care and provide guidance to quality improvement schemes. Patient-reported experience measures can help to that end. The aim of this study was to develop a patient-reported experience measure to evaluate the experience of patients with temporomandibular disorders while receiving healthcare. METHODS: Input from several sources was utilised to develop the tool; previous literature, patients with temporomandibular disorders, and experts in the field. A qualitative study was conducted following the COnsensus-based Standards for the selection of health Measurement Instruments guidance to generate the items of the questionnaire, which subsequently underwent cognitive testing. RESULTS: Seventeen patients took part in the qualitative study, in addition to six healthcare professionals. The preliminary questionnaire consisted of 28 questions with six response options. CONCLUSIONS: This patient-reported experience measure is a brief tool to evaluate the clinical experience of patients with temporomandibular disorders. Patients' involvement ensured face and content validity of the questionnaire, in addition to the relevance, comprehensibility and comprehensiveness of the items.

Patient-Reported Outcome Measures Used in Temporomandibular Disorders: A Review of the Literature.

AIMS: To identify the range of patient-reported outcome measures (PROMs) used in TMD studies, summarize the available evidence for their psychometric properties, and provide guidance for the selection of such measures. METHODS: A comprehensive search was conducted to retrieve articles published between 2009 and 2018 containing a patient-reported measure of the effects of TMDs. Three databases were searched: MEDLINE, Embase, and Web of Science. RESULTS: A total of 517 articles containing at least one PROM were included in the review, and 57 additional studies were also located describing the psychometric properties of some tools in a TMD population. A total of 106 PROMs were identified and fell into the following categories: PROMs describing the severity of symptoms; PROMs describing psychologic status; and PROMs describing quality of life and general health. The most commonly used PROM was the visual analog scale. However, a wide range of verbal descriptors was employed. The Oral Health Impact Profile-14 and Beck Depression Inventory were the most commonly used PROMs describing the effect of TMDs on quality of life and psychologic status, respectively. Additionally, the Oral Health Impact Profile (various versions) and the Research Diagnostic Criteria Axis ll questionnaires were the instruments most repeatedly tested in a TMD population, and these instruments have undergone cross-cultural validation in several languages. CONCLUSION: A wide range of PROMs have been used to describe the impact of TMDs on patients. Such variability may limit the ability of researchers and clinicians to evaluate the efficacy of different treatments and make meaningful comparisons.

World Workshop on Oral Medicine VIII: Development of a core outcome set for dry mouth: the patient perspective.

OBJECTIVE: We conducted a qualitative study of patients' perspectives on dry mouth outcomes to explore their personal experiences and investigate which outcomes are most important to them. This work was part of the WONDER initiative (World Workshop on Oral Medicine Outcomes Initiative for the Direction of Research) exploring Core Outcome Measures in Effectiveness Trials. STUDY DESIGN: Using a study-specific topic guide, we conducted digitally recorded, semi-structured interviews of focus groups of patients with dry mouth secondary to Sjögren syndrome and head and neck radiotherapy. We conducted interviews until data saturation had been achieved and evaluated all transcripts for accuracy before we anonymized the data. RESULTS: Two focus groups consisting of 4 participants per group identified 4 distinct themes: (1) impact on oral health and function, (2) social isolation and withdrawal, (3) frustration with dry mouth management, and (4) limited knowledge of the medical community and lack of understanding of family and friends. CONCLUSIONS: The diversity of self-reported outcomes and the complexity of patient perceptions identified in our work may represent additional barriers to successful dry mouth management that should be considered in the design of future clinical trials.

Mobile multi-configuration clinical translational Raman system for oral cancer application.

Early diagnosis of oral cancer is critical to improve the survival rate of patients. Raman spectroscopy, a non-invasive spectroscopic technique, has shown potential in identifying early-stage oral cancer biomarkers in the oral cavity environment. However, inherently weak signals necessitate highly sensitive detectors, which restricts widespread usage due to high setup costs. In this research, the fabrication and assembly of a customised Raman system that can adapt three different configurations for the in vivo and ex vivo analysis is reported. This novel design will help in reducing the cost required to have multiple Raman instruments specific for a given application. First, we demonstrated the capability of a customized microscope for acquiring Raman signals from a single cell with high signal-to-noise ratio. Generally, when working with liquid samples with low concentration of analytes (such as saliva) under a microscope, excitation light interacts with a small sample volume, which may not be representative of whole sample. To address this issue, we have designed a novel long-path transmission set-up, which was found to be sensitive towards low concentration of analytes in aqueous solution. We further demonstrated that the same Raman system can be incorporated with the multimodal fibre optical probe to collect in vivo data from oral tissues. In summary, this flexible, portable, multi-configuration Raman system has the potential to provide a cost-effective solution for complete screening of precancer oral lesions.

An international Delphi survey and consensus meeting to define the core outcome set for trigeminal neuralgia clinical trials.

BACKGROUND: Trigeminal neuralgia (TN) is an excruciating unilateral facial pain, which negatively affects patient's quality of life. Historically, it has been difficult to compare treatment efficacy due to the lack of standardized outcomes. In addition, patients' perspective has seldomly been acknowledged. The aim of this study was to reach consensus on what outcomes of treatment are important to different TN stakeholders (patients, clinicians and researchers), to identify the TN Core Outcome Set (TRINCOS). METHODS: A list of outcomes identified through a systematic review and focus group work was used to develop the survey questionnaire. A three-round Delphi was conducted. Participants were asked to score the outcomes on scale from 1 to 9 (1-3 not important;4-6 important but not critical;7-9 critical). Outcomes scored as critical by ≥70% and not important by <15% were retained, and those for which no consensus was reached were discussed at a consensus meeting. RESULTS: Of the 70 participants who completed the Delphi, 26 were patients, 38 were clinicians and six were researchers. Of the 40 outcomes presented, 17 were scored as critical and no consensus was met for 23 outcomes. Agreement was reached during a consensus meeting on 10 outcomes across six domains (pain, side effects, social impact, quality of life, global improvement, and satisfaction with treatment). CONCLUSION: Implementation of TRINCOS in future clinical trials will improve homogeneity of studies' results, reduce the redundancy in the outcome assessment and effectively allow comparison of different treatments to better inform researchers, clinicians and most importantly patients, about the efficacy of the different treatments. SIGNIFICANCE: Implementation of a 10-item core outcome set in trigeminal neuralgia will improve comparability between studies allowing patients to have faster access to better treatments.

Label-Free Optical Spectroscopy for Early Detection of Oral Cancer.

Oral cancer is the 16th most common cancer worldwide. It commonly arises from painless white or red plaques within the oral cavity. Clinical outcome is highly related to the stage when diagnosed. However, early diagnosis is complex owing to the impracticality of biopsying every potentially premalignant intraoral lesion. Therefore, there is a need to develop a non-invasive cost-effective diagnostic technique to differentiate non-malignant and early-stage malignant lesions. Optical spectroscopy may provide an appropriate solution to facilitate early detection of these lesions. It has many advantages over traditional approaches including cost, speed, objectivity, sensitivity, painlessness, and ease-of use in clinical setting for real-time diagnosis. This review consists of a comprehensive overview of optical spectroscopy for oral cancer diagnosis, epidemiology, and recent improvements in this field for diagnostic purposes. It summarizes major developments in label-free optical spectroscopy, including Raman, fluorescence, and diffuse reflectance spectroscopy during recent years. Among the wide range of optical techniques available, we chose these three for this review because they have the ability to provide biochemical information and show great potential for real-time deep-tissue point-based in vivo analysis. This review also highlights the importance of saliva-based potential biomarkers for non-invasive early-stage diagnosis. It concludes with the discussion on the scope of development and future demands from a clinical point of view.

"They Could Have Cut My Head Off and I Wouldn't Have Cared"-A Qualitative Study of Patient Experiences and the Impact of Trigeminal Neuralgia.

AIMS: To understand, from the patient perspective, the meaning of living with trigeminal neuralgia (TN) and what the patient-desired outcomes of treatment are. METHODS: A qualitative study involving focus group work with 14 participants with a diagnosis of TN was conducted. The discussions were recorded and transcribed verbatim and analyzed using framework analysis. RESULTS: Four themes and 14 subthemes were identified. Theme 1 reflects the uncertainty about TN etiology and prognosis; theme 2 includes descriptions of the mental, social, and physical impacts of TN that contrast with coping mechanisms developed over time; theme 3 reflects participants' views of what a successful treatment means and the specific outcomes they expect following treatment, as well as patient willingness to self-manage their conditions while supported; and theme 4 highlights the importance of appropriate and timely access to health care and the importance of peer support. CONCLUSION: This study confirms the need to move beyond the biologic models of disease to patient-centered care and research approaches.

Patient-reported outcome measures in third molar surgery: a scoping review.

Despite a surge of interest in patient-centred outcomes (PROMs) in healthcare settings, they remain an underutilised resource in third molar surgery. Clinicians and researchers in the field of oral surgery who are interested in incorporating PROMs into their clinical practice may face challenges in instrument selection with as yet no consensus registry available. PROMs have undoubtedly transcended their original brief as research instruments, with the collection of PROMs data now a routine undertaking in many healthcare systems. Quality improvement, appropriate resource allocation, and measurement of effectiveness of interventions are but a few of their advantages. This review article presents a scoping overview of the instruments most relevant to the third molar surgery population.

Efficacy and safety of a novel mucoadhesive clobetasol patch for treatment of erosive oral lichen planus: A phase 2 randomized clinical trial.

BACKGROUND: Oral lichen planus (OLP) is a chronic inflammatory disorder of the oral mucosa. Currently there is no approved treatment for OLP. We report on the efficacy and safety of a novel mucoadhesive clobetasol patch (Rivelin® -CLO) for the treatment of OLP. METHODS: Patients with confirmed OLP and measurable symptomatic ulcer(s) participated in a randomized, double-blind, placebo-controlled, multicenter clinical trial testing a novel mucoadhesive clobetasol patch (Rivelin® -CLO) in OLP across Europe, Canada, and the United States. Patients were randomized to placebo (nonmedicated), 1, 5, 20 µg Clobetasol/patch, twice daily, for 4 weeks. The primary endpoint was change in total ulcer area compared to baseline. Secondary endpoints included improvement from baseline in pain, disease activity, and quality of life. RESULTS: Data were analyzed and expressed as mean [SD]. One hundred thirty-eight patients were included in the study; 99 females and 39 males, mean age was 61.1 [11.6] years. Statistical analyses revealed that treatment with 20-µg Rivelin® -CLO patches demonstrated significant improvement with ulcer area (p = 0.047), symptom severity (p = 0.001), disease activity (p = 0.022), pain (p = 0.012), and quality of life (p = 0.003) as compared with placebo. Improvement in OLP symptoms from beginning to the end of the study was reported as very much better (best rating) in the 20-µg group (25/32) patients compared to the placebo group (11/30), (p = 0.012). Adverse events were mild/moderate. Candidiasis incidence was low (2%). CONCLUSIONS: Rivelin® -CLO patches were superior to placebo demonstrating statistically significant, clinically relevant efficacy in objective and subjective improvement and, with a favorable safety profile.

Autologous platelet concentrates in oral surgery: protocols, properties, and clinical applications.

Autologous platelet concentrates (APCs) are a relatively new phenomenon, with initial reports of their regenerative potential published as recently as 1998. Despite their relative infancy, a huge body of evidence exists in support of their capacity to promote osseous and soft tissue regeneration through the physiologic processes of platelet activation and subsequent growth factor release. APCs have transformed many areas of healthcare and are now considered an essential component of the surgical milieu. In this narrative review, we explore the evolution of autologous platelet therapies with a particular emphasis on their contemporary applications in oral surgery, which rather fittingly was the first specialty to report the regenerative potential of APCs.

Patient reported outcome measures in trigeminal neuralgia - A systematic review of psychometric performance.

BACKGROUND: Trigeminal neuralgia (TN) is a rare condition for which there are multiple treatment options available. To date, there has been difficulty in comparing the outcomes of treatment due to the variety of patient-reported outcome measures (PROMs) and their inadequate psychometric testing. The aim of this review was to assess the psychometric properties of PROMs used to date in TN and make recommendations for their use in future studies. METHODS: Five electronic databases (MEDLINE, EMBASE, CINAHL Plus, PsycINFO, Health and Psychosocial Instruments) were searched for studies assessing the development of PROMs or their psychometric properties in TN studies. The records obtained were assessed independently by two reviewers for their methodological quality, following guidance from the Consensus-based Standards for the selection of Health Measurement Instruments (COSMIN). RESULTS: Six studies were identified and information on five PROMs (Brief Pain Inventory Facial (BPI-F), Visual Analogue Scale (VAS), Barrow Neurology Institute Pain Scale (BNI-PS), Penn Facial Pain Scale-Revised (Penn-FPS-R) and Trigeminal Neuralgia Quality of Life Score) were retrieved. The Penn-FPS-R demonstrated moderate quality evidence for sufficient content validity. The BPI-F showed moderate evidence for sufficient internal consistency and structural validity but low evidence for inconsistent content validity. The Trigeminal Neuralgia Quality of Life score showed very low-quality evidence for insufficient content validity, structure validity and responsiveness. No evidence was found on the assessment of any psychometric properties of the VAS and BNI-PS in TN. CONCLUSION: There is limited evidence of the psychometric performance of patient-reported outcomes for TN and recommendations for their inclusion in future studies cannot be made. The validation of PROMs in TN studies should be a priority in this field of research. SIGNIFICANCE: This review highlights the knowledge gap in the field of psychometrics of patient reported outcomes measures in the field of TN. Given the unavailability of an objective outcome measure for pain or health related quality of life, psychometrically sound PROMs are essential for assessing medical and surgical treatment outcomes in TN.

Measuring the impact of systemic sclerosis on oral health-related quality of life in a UK population.

BACKGROUND: The objective of the present study was to identify the impact of systemic sclerosis (SSc) upon oral health-related quality of life (OHRQoL) of affected individuals resident in the UK. METHODS: A total of 100 patients and their partners or carers were invited to complete questionnaires regarding the impact of SSc on quality of life and psychological well-being using valid and reliable patient-reported outcome measures (OHIP-14, MHISS, OIDP, MDAS and HADS). A total of 50 patients with SSc and 18 partners or carers who acted as controls returned the completed questionnaires. Statistical analyses were performed for comparisons of different variables. RESULTS: All the mean scores of OHIP-14 (SSc [16.5 ± 12.4] Vs controls [6.06 ± 7.6, p = 0.001]) and MHISS components were significantly higher in patients than those of control group (SSc [21.26 ± 12] Vs controls [4.8 ± 7.3, p < 0.0001]). Majority of OIDP mean scores were significantly worse in patients compared with controls [SSc (10 ± 8.7) Vs controls (1.72 ± 3.4, p < 0.0001)]. The mean of total MDAS [SSc (11.7 ± 5.3) Vs controls (9.5 ± 4.4)] and HADS scores were higher in patients compared to controls (SSc depression [4.8 ± 3.3] and anxiety [6 ± 4.6] Vs controls [3.7 ± 3.1] [4.7 ± 3.9]). CONCLUSIONS: Although the present study is limited by the low response rate and its cross-sectional design, present results highlighted that systemic sclerosis has a negative impact on OHRQoL of the affected individuals; hence, the evaluation of associated psychological impact including anxiety and depression symptoms is needed to better understand, monitor and evaluate the disease comorbidity in patients with SSc.

Evaluating the measurement properties of patient-reported outcome measures in radiotherapy-induced xerostomia.

OBJECTIVE: Radiotherapy-induced xerostomia (RIX) is one of the most common adverse effects of radiotherapy to the head and neck, and a major determinant of survivors' quality of life. A number of patient-reported outcome measures (PROMs) have been used in clinical trials of therapeutic interventions for RIX; however, little is known regarding their measurement properties and methodological quality. METHODS: We conducted a systematic literature search in Embase, MEDLINE and PsycINFO for articles published up to May 2019 and evaluating at least one measurement property of PROMs relevant to RIX. The COSMIN guidelines were used to assess relevant measurement properties and methodological quality. RESULTS: Nine validations studies were identified reporting on four PROMs relevant to RIX. The Xerostomia Questionnaire (XQ) showed overall high-quality evidence for structural validity and internal consistency, but low-quality evidence supporting reliability. The methodological quality of the Groningen Radiotherapy-Induced Xerostomia scale (GRIX), Xerostomia Inventory (XI) and the Xerostomia Quality of Life Scale (XeQoLS) was relatively low for all measurement properties. CONCLUSIONS: The XQ was found to have the highest potential to capture changes in RIX according to COSMIN guidelines. Additional validation studies are required to further understand the methodological quality of the XI, GRIX and XeQoLS.

Web-based information on the treatment of the mouth in systemic sclerosis.

BACKGROUND: To categorise the content and assess the quality and readability of the web-based information regarding treatment of the mouth in systemic sclerosis. METHODS: An online search using three different search terms regarding the treatment of the mouth in SSc was undertaken using the Google search engine. The first 100 websites from each search were selected for analysis. Data recorded included DISCERN instrument scores along with the Journal of the American Medical Association (JAMA) benchmarks and the presence of the Health on the Net seal (HON). Flesch Reading Ease Scores, Flesch-Kincaid Grade Level, the Simplified Measure of Gobbledygook Index and Coleman-Liau index were calculated to assess readability. RESULTS: Fifty seven of the first websites remained for analysis after applying appropriate exclusion criteria. The mean overall DISCERN score was 2.37 (±1.01). Only 4 websites (7%) achieved all four JAMA benchmarks. Only 12 websites (21.1%) displayed the HON seal. The reading level was found to be difficult to very difficult among the majority of websites. CONCLUSION: The overall quality of the available online information concerning the treatment of the mouth of systemic sclerosis is questionable and requires a high level of reading skill. Further efforts should be directed toward establishing higher quality, reliable online information sources on the treatment of oral disease relevant to patients with systemic sclerosis.

Health-related quality of life and its associated predictors in patients with oral lichen planus: a cross-sectional study.

OBJECTIVES: To investigate levels of quality of life (QoL) and determine associated predictors in patients with oral lichen planus (OLP). MATERIALS AND METHODS: A total of 300 patients with OLP at one tertiary Oral Medicine clinic in the UK were recruited in a cross-sectional study from January 2018 to July 2019. The 15-item Chronic Oral Mucosal Disease Questionnaire (COMDQ-15) and 14-item Oral Health Impact Profile (OHIP-14) were used to assess the level of QoL related to OLP. A number of potential determinants were considered, including patient demographics, treatment, the severity of oral symptoms, the clinical activity of the disease, and the patient psychological status, which were measured using the pain-Numerical Rating Scale, the Oral Disease Severity Score, the Hospital Anxiety and Depression Scale, and the 10-item Perceived Stress Scale. Multivariate linear regression was employed to identify independent determinants associated with overall and aspects of QoL. RESULTS: On multivariate analyses, after adjusting for confounding variables, the QoL levels in patients with OLP were significantly associated with levels of oral pain, anxiety, stress and use of topical corticosteroids. The COMDQ-15 instrument performed better than OHIP-14 at capturing the association between QoL and pain and disease activity in patients with OLP. CONCLUSION: Clinicians should expect reduced QoL in OLP patients with high pain levels, high anxiety levels, high perceived stress and use of topical corticosteroids. The COMDQ-15 is best suited to measure QoL in this population.

Validity and reliability of the Mouth Handicap of Systemic Sclerosis questionnaire in a UK population.

BACKGROUND: The objective of this study was to explore the psychometric properties of the Mouth Handicap in Systemic Sclerosis (MHISS) specifically exploring aspects of validity and reliability of MHISS in UK SSc patients. METHODS: A total of 150 questionnaires were distributed in this study at the Oral Medicine Department of UCLHT Eastman Dental Hospital, the Outpatient Rheumatology Clinic of the Royal Free Hospital and Scleroderma Family Day. Participants were asked to complete three questionnaires (SF-36, OHIP-14 and MHISS) along with a pro forma of demographic and disease-specific questions. Both convergent validity and internal consistency reliability were examined. The convergent validity was assessed by Spearman's correlation coefficient, and internal consistency reliability was assessed by Cronbach's alpha. RESULTS: Of the 150 questionnaires distributed to participants, 68 respondents were included. With regard to construct validity, a low to moderate degree of convergent validity was found between MHISS total score and all SF-36 subscales. However, the total MHISS score was highly correlated to all OHIP subscales. CONCLUSION: MHISS questionnaire is a self-administered patient-reported outcome measure that assesses the mouth disability in SSc patients. However, improving the global and oral health of SSc patients is important as there is no cure for the disease; thus, instruments that record the impact of the condition and indicate the effect of treatment on the lives of patients are of paramount importance. Current results demonstrate good preliminary psychometric properties (validity and reliability) in a UK population with further exploration of psychometric properties with an emphasis on interpretability required.

Meaningful improvement thresholds in measures of pain and quality of life in oral lichen planus.

OBJECTIVES: To evaluate the responsiveness of measures of pain and oral health-related quality of life (OH-QoL) in patients with oral lichen planus (OLP) and to determine thresholds for minimal important change (MIC) and minimal important difference (MID) for use in this patient population. METHODS: Data from baseline and 4-month follow-up including Visual Analog Scale (VAS), Numerical Rating Scale (NRS), 14-item Oral Health Impact Profile (OHIP-14), 15-item and 26-item Chronic Oral Mucosal Disease Questionnaire (COMDQ-15; COMDQ-26) were collected from 157 patients with OLP. Responsiveness was assessed by testing hypotheses and calculating the area under the curve. MIC and MID were established based on triangulation of distribution-based and anchor-based estimates. RESULTS: The results supported adequate responsiveness of VAS, NRS, COMDQ-15 and COMDQ-26 for use in OLP, while the OHIP-14 demonstrated relatively low sensitivity to detect improvement in the OLP status. Recommended meaningful improvement thresholds were as follows: VAS (MIC 16 mm; MID 18 mm), NRS (MIC/MID 2 points), OHIP-14 (MIC/MID 5 points), COMDQ-15 (MIC 5 points; MID 6 points) and COMDQ-26 (MIC/MID 9 points). CONCLUSION: This study provides some evidence of responsiveness as well as establishing meaningful improvement thresholds in scores of pain and OH-QoL measures in OLP.