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Oral Complications related to tropical infectious Diseases: an introduction and analysis of survey data

BMC Oral Health volume 23, Article number: 788 (2023) Cite this article

Abstract

Backgrounds

The non-indigenous tropical infectious diseases that occur in the non-tropics arise from personnel communication between locals and visitors. Many of these infectious diseases involve oral complications. It is very important for practitioners to manage such cases based on a clear understanding of the association between tropical infectious diseases and oral health. In this study, we summarize the oral complications related to tropical infectious diseases and investigate the understanding of infectious disease practitioners in relation to the association between these conditions. In addition, we provide supportive advice to facilitate the oral management of tropical infectious diseases.

Methods

First, we investigate the oral complications related to tropical infectious diseases by performing an appropriate literature search. Then, we analyzed the understanding of 207 Chinese practitioners specializing in infectious diseases in relation to the association between these two conditions by applying a bespoke online questionnaire.

Results

Analysis revealed that the Chinese practitioners had very poor attitudes and knowledge relating to the association between tropical infectious diseases and oral health. Different backgrounds had no significant impact on the understanding of Chinese practitioners with regards to the association between tropical infectious diseases and oral health.

Conclusion

Many oral complications are related to tropical infectious diseases. The understanding of Chinese practitioners with regards to the association between infectious disease and oral health was very inadequate. It is essential to promote publicity and education relating to infectious tropical diseases and oral health.

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Background

According to data published by the World Health Organization (WHO), millions of cases involving tropical infectious diseases occur in tropical regions; some of these can be disabling and even life-threatening [1]. Infectious diseases are highly prevalent in tropical areas. However, an increase in international travel and personal communication between visitors and locals can lead to local outbreaks [2,3,4] or widespread epidemics of non-indigenous diseases in non-tropical regions [5,6,7]. Therefore, tropical infectious diseases are gradually becoming a global public health concern. One of the key goals of the ‘WHO African Region Communicable Diseases Cluster Annual Report 2016’, was to reduce the incidence and burden of infectious diseases, and a team of public health experts were tasked to accomplish this goal [1]. Infectious disease practitioners, a crucial group of public health experts, are regularly challenged by tropical infectious diseases and are expected to control such problems. The attitude and knowledge of infectious disease practitioners play a critical role in the management of infectious diseases.

The oral-maxillofacial region is often subject to attack by infectious diseases [8]. The oral complications related to tropical infectious diseases have been investigated previously (Table 1) and parasitic diseases (malaria, leishmaniasis, and amoebiasis) [8,9,10,11,12,13,14,15,16], bacterial diseases (leprosy, and yaws) [8, 17, 18], viral diseases (dengue fever and measles) [8, 16, 19,20,21] and fungal diseases (paracoccidioidomycosis and histoplasmosis) [8, 18, 22,23,24,25,26], such as oral mucosal hemorrhage, oral mucositis, oral ulceration, enamel hypoplasia, and alveolar bone disorders [8, 15, 16, 23]. In addition, the current medications that are available for the treatment of tropical infectious are also associated with some oral adverse events (Table 1), including pain in the oral soft tissue, toothache, enamel hypoplasia, periodontal diseases, and stomatitis [8, 15, 27, 28]. To provide convenient medical guidelines, we have summarized various oral complications related to tropical infectious diseases, particularly associated with the oral-maxillofacial region (Table 1). Some oral complications are acute, while others are long-term (Table 1). Moreover, some cases of infection can present with oral manifestations as the first symptoms [15, 29,30,31]; these symptoms can easily be overlooked by clinicians. Infectious disease practitioners and dentists are the most relevant professions to manage and treat oral complications caused by tropical infectious diseases. In a previous study, we reported that the Chinese dental professionals had poor attitudes and knowledge relating to oral health and tropical infectious diseases [8]. Our findings clearly highlighted that infectious disease practitioners should pay more attention to the oral complications related to tropical infectious diseases to prevent misdiagnosis and epidemic spread. Differential diagnosis and appropriate treatments might improve the clinical management of tropical infectious diseases, which primarily depends on basic education and continuing clinical education. Nevertheless, few studies have investigated this issue with regards to the association between tropical infectious diseases and oral health.

Table 1 Oral complications related to tropical infectious diseases
Full size table

Therefore, it is essential to investigate the oral complications related to tropical infectious diseases and determine the understanding of the infectious disease practitioners with regards to tropical infectious diseases and oral health, and to identify the potential influence of different backgrounds and experiences on clinical outcomes. We hope that our findings will serve as a warning to practitioners facing tropical infectious diseases to improve their understanding of the management of tropical infectious diseases and oral health.

Methods

Ethics

The study was approved by The Institutional Review Board/Ethics Committee of Jinling Hospital. Informed consent was obtained in the online questionnaire completed by all participants. The study protocol conformed strictly to the tenets of the Declaration of Helsinki.

Questionnaire preparation

The online questionnaire (The Tencent Technology Co. Ltd, China) was designed by three professionals with experience in infectious diseases, stomatology and tropical medicine, and was validated by a pilot study of 16 participants from Jinling Hospital, Medical School of Nanjing University. The questionnaire was modified according to feedback provided by the participants and the suggestions of experts. The Cronbach’s α Coefficient (0.90) and Goodness of Fit Index (0.81) were applied to estimate the reliability and validity of the questionnaire by statisticians. The final questionnaire (see Supplementary Data) featured 36 questions, including individual information (six items, multiple choice, description), attitude towards oral complications related to tropical infectious diseases (five items, yes/no), the understanding of oral complications related to tropical infectious diseases (21 items, multiple choice), and the management of oral complications related to tropical infectious diseases (four items, multiple choice). Answers were evaluated in accordance with the standard answers we provided. The methodology used was based on our previous research [8].

Study participants and analysis

According to the survey, by 2021, there were 98,978 registered infectious disease practitioners in China [32]. The sample size was calculated with a confidence level of 95%, an error of 10% and a population percentage of 50%. The calculated sample size was 97. In total, 213 infectious disease practitioners from 12 provincial regions of China responded to the questionnaire. The respondents participating in the pilot study were excluded from the final study. The participants of the final study were recruited from 12 provincial regions by online recruitment via the China Infectious Disease Professional Society. The completed questionnaires were received from the 18th of March 2022 to the 25th of March 2022; 207 questionnaires were valid. The final data were statistically analyzed with regards to four different backgrounds and experience. The total score of each part was normalized to 10, as described in our previous study [8].

Statistical methods

Descriptive statistics were applied for absolute numbers and percentages to evaluate information relating to the understanding and personal attitudes of each participant. Scores are described by mean ± standard deviation (SD) and quartiles. The Chi-squared test and continuity correction was applied to estimate ratios among different groups. The Student’s t test and one-way analysis of variance (ANOVA) were applied to compare means between different groups. p < 0.05 was regarded as statistically significant. Our statistical approach was based on our previous research [8].

Results

Sample characteristics

A total of 213 infectious disease practitioners from 12 provincial regions of China were recruited as participants. Of these, 207 participants completed the questionnaire (97.18%). Of the 207 participants, 109 were male and 98 were female; 141 were postgraduates, 42 were graduates and 24 were junior college graduates. The participants included 177 doctors and 30 nurses; 21 of whom had senior titles and 120 had intermediate titles. Sixty-six participants had junior titles; 25 had working experience in the tropics while 182 participants did not. The mean age of the participants was 36.2 year-of-age (range: 24–57 years-of-age) (Table 2).

Table 2 Sample characteristics
Full size table

The attitude of the Infectious Disease practitioners towards tropical infectious Diseases and oral health

Next, we investigated the oral complications related to tropical infectious diseases. The proportion of positive attention and systematical study experience of the infectious disease practitioners with regards to tropical infectious diseases and oral health were only 20.8% and 24.6%, respectively (Table 3). The proportion of participants who thought it was necessary to systematically learn about infectious diseases and oral health if working in non-tropical regions was 41.1%; this proportion was significantly higher in those participants working in the tropics (51.2%; Table 3). The proportion of participants with regards to the identification of oral lesions being helpful in the management of tropical infectious diseases was 35.7% (Table 3).

Table 3 The attitude of the infectious disease practitioners towards tropical infectious diseases and oral health
Full size table

There was no significant difference between participants with no experience of working in the tropics when compared to those with such experience (Table 3). In addition, there was no difference between participants with different educational backgrounds, professional identities, and professional titles (Table 3).

The knowledge of the Infectious Disease practitioners on tropical infectious Diseases and oral health

Mean scores relating to the knowledge of oral complications related to tropical infectious diseases and the adverse oral events caused by medications for tropical infectious diseases were only 2.32 ± 1.28 and 1.02 ± 0.79, respectively (Table 4). The 1/4 percentile scores corresponding to such knowledge did not exceed 2.00, the median score did not exceed 2.00, and the 3/4 percentile score did not exceed 4.00 (Table 4). The mean score of oral complications related to tropical infectious diseases showed statistical differences when compared across different professional identities (doctors and nurses; (2.44 ± 1.26 vs. 1.63 ± 1.59, respectively; Table 4). However, there was no significant difference of these scores when compared between different educational backgrounds, professional identities, professional titles and working experience in the tropics (Table 4).

Table 4 The knowledge of the infectious disease practitioners towards tropical infectious diseases and oral health
Full size table

Discussion

This study focused on the oral complications related to tropical infectious diseases in tropical regions, but not oral lesions in tropical areas. There were two reasons for this distinction. First, the recognition of oral complications related to tropical infectious diseases might facilitate the early diagnosis of tropical infectious diseases. Secondly, good clinical management of the oral complications related to tropical infectious diseases might improve the control of these infectious diseases. Tropical infectious diseases are often accompanied by a range of oral complications [8, 15]; thus, the clinical management of such oral complications is an indispensable factor in the prevention and control of tropical infectious diseases. It is clear that the awareness of patients with regards to tropical infectious diseases and oral health is insufficient [33]; patients are not able to ensure self-protection and health care. Therefore, the cognition of dental professionals and infectious disease practitioners will directly affect the outcomes of the clinical management and prevention of tropical infectious diseases. According to our previous study, the cognition of dental professionals with regards to tropical infectious diseases and oral health was unsatisfactory. However, only scant research has addressed the understanding of infectious disease practitioners with regards to the association between tropical infectious diseases and oral health.

Based on our investigation, we identified nine key facts that need to be considered in the future. First, it was clear that infectious disease practitioners have not paid enough attention to tropical infectious diseases and oral health; this may be due to the difficulty in identifying the relevant oral complications or ignorance with regards to relevant oral complications. There was no significant impact with regards to the degree of attention between having tropical working experience and not having such experience, thus suggesting that practitioners did not pay specific attention to these issues in different working experiences. Secondly, the attitude of infectious disease practitioners with regards to the necessity and importance of learning about tropical infectious diseases and oral health was highly insufficient; there were no significant differences between practitioners with different backgrounds and experiences. Third, the knowledge of infectious disease practitioners with regards to tropical infectious diseases and oral health was notably inadequate, thus suggesting that the importance of oral manifestations related to tropical infectious diseases has been considered adequately in the clinical management and prevention of tropical infectious diseases. Fourth, education background, professional identity, professional title, and experience of working in the tropics did not affect the levels of appropriate knowledge, thus indicating that the popularization of knowledge was unsatisfactory in terms of academic, clinical and continuing education. Fifth, there was a lack of breadth and depth of cognition among infectious disease practitioners, although some exhibited positive attitudes towards tropical infectious diseases and oral health. Sixth, the lack of such knowledge and cognition could create certain risks in the prevention and control of tropical infectious diseases by infectious disease practitioners. Seventh, we found that the understanding of doctors was better than that of nurses. There may be two reasons for this. First, the popularization of knowledge of the medical specialty in this field was better than that of the nursing specialty. Secondly, doctors may have more direct understanding and feeling of the diagnosis and treatment of relevant diseases in clinical practice. Eighth, compared to our previous study, we found that the understanding of infectious disease practitioners was lower than that of dental professionals [8]. This may be because some oral complications occurred as the initial sign of tropical infectious diseases, and the patients first visited their dental professionals. These experiences might help dentists to learn relevant knowledge. However, these oral manifestations might be neglected by infectious disease practitioners in cases that had multiple serious systemic disorders. Finally, we observed significantly low levels of knowledge; this may be due to two factors. First, infectious disease practitioners did not have a reserve of relevant knowledge; secondly, the questions that featured in the questionnaire might be too difficult for infectious disease practitioners. As shown in Table 3, the attitude of infectious disease practitioners towards tropical infectious diseases and oral health was very unsatisfactory; this may prevent these professionals from learning relevant knowledge. Therefore, the first possibility might be more likely than the second possibility.

Based on the conclusions, we propose several suggestions. First, we should prepare a dedicated handbook to introduce oral complications related to tropical infectious diseases, the oral adverse events caused by the medications used to treat tropical infectious diseases, therapeutic and emergency strategies, the course of disease monitoring, prevention, and control measures. Second, improve the medical education system by offering relevant public courses in college education, academic lectures in continuing education, and relevant clinical practice in clinical education. Third, develop novel practical software to simulate scenarios relating to infections and oral complications. Infectious disease practitioners could use this software to manage the simulation cases by applying a relevant scoring system. Fourth, create a specialized website to share relevant information and provide an efficient communication platform. Fifth, provide special training according to local epidemiology for the practitioners who work in tropical areas, such as medical services for domestic tropical areas, international assistance, and peace-keeping missions. Our aim is to promote these issues issue and improve the management of tropical infectious diseases by applying our recommendations. In addition, we strongly recommend that infectious disease practitioners follow the following guidelines when encountering suspicious cases. First, conduct an oral examination and inquire about the history of relevant oral diseases and generate detailed records. Second, invite dentists for consultation to clarify whether the observed oral diseases are actual complications of infectious diseases or independent oral diseases. Third, propose an optimal management plan by consultation with dentists. Fourth, ensure cases are followed-up in an appropriate manner. Fifth, draft a case report featuring detailed information.

There are some limitations to this study, that need to be considered. First, the questions featured in the questionnaire may have been too difficult for the infectious disease practitioners; this may have created biased outcomes. In future, it will be necessary to generate a gradient of difficulty when setting questions for the questionnaire. Second, the sample size needs to be expanded to cover a wider range of infectious disease practitioners in China. A larger sample size could reduce errors and provide more representative data. Third, future studies should extend to infectious disease practitioners who are based overseas. It is of great significance to collect data from different countries to fully reveal the conditions and mechanisms that link tropical infectious diseases and oral health. Fourth, further details of experience working in the tropics should be collected, such as the duration and location of such experience. With these parameters, we could critically analyze the factors that influence the perception of tropical infectious diseases and oral health among infectious disease practitioners.

Conclusion

Oral complications are frequently reported to be associated with tropical infectious diseases. An accurate diagnosis and application of an appropriate management strategy is likely to be conducive to the prevention and control of epidemics. In this study, we described oral complications that are known to be related to tropical infectious diseases. Furthermore, we focused on the understanding of infectious disease practitioners with regards to the association between tropical infectious diseases and oral health. We found that these practitioners had a highly unsatisfactory understanding of the association between these two types of diseases. Consequently, it is vital that we improve specialty education practice for infectious disease practitioners.

Data Availability

All data generated or analyzed during this study are included in this published article.

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Acknowledgements

We thank Dr. Yang Ma, from Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China, for her technical and language support. We also thank all the participants in this study.

Funding

Project of Eastern Theater Command General Hospital (YYQN2021071, 22LCZLXJS12), Natural Science Foundation of China (82100985, 82101644), China Postdoctoral Science Foundation (2021M693954), Nanjing Postdoctoral Research Funding Program (NingRenSheHan[2021]183).

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Author notes

  1. Yi Shuai, Yanfeng Lou and Lei Zhu contributed equally to this work.

Authors and Affiliations

  1. Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China

    Yi Shuai, Yanfeng Lou, Lei Zhu, Wei Chen & Tao Jiang

  2. Department of Stomatology, General Hospital of Eastern Theater Command, PLA, Nanjing, 210002, Jiangsu, China

    Yi Shuai, Yanfeng Lou, Lei Zhu, Wei Chen & Tao Jiang

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  1. Yi Shuai
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Contributions

Yi Shuai: Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology and Writing-original draft. Yanfeng Lou: Conceptualization, Data curation, Formal analysis, Investigation and Methodology. Lei Zhu: Conceptualization, Data curation, Formal analysis, Investigation and Methodology. Wei Chen: Conceptualization, Project administration, Writing-review & editing. Tao Jiang: Conceptualization, Project administration, Writing-review & editing.

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Correspondence to Yi Shuai, Wei Chen or Tao Jiang.

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The authors declare no competing interests.

Ethics approval and consent to participate

This study was approved by The Institutional Review Board (IRB)/Ethics Committee of Jinling Hospital (2017NZKY-005-02). Informed consent was obtained from all subjects. All the methods and experimental protocol were carried out in accordance with guidelines of Declaration of Helsinki.

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Shuai, Y., Lou, Y., Zhu, L. et al. Oral Complications related to tropical infectious Diseases: an introduction and analysis of survey data. BMC Oral Health 23, 788 (2023). https://doi.org/10.1186/s12903-023-03514-w

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BMC Oral Health

ISSN: 1472-6831

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