Abstract
Graduate education in laboratory medicine plays an increasingly important role in supporting precision diagnostics and interdisciplinary care; however, in oral specialty hospitals, training models largely remain derived from general medical laboratory paradigms. This misalignment limits students’ ability to effectively engage with oral disease–specific biospecimens and integrate laboratory findings into oral healthcare practice. This article presents a practice-based, descriptive analysis of limitations in existing training curricula and their alignment with clinical diagnostic practice. Based on institutional diagnostic experience, a reform-oriented educational framework is proposed, emphasizing disciplinary integration through an “Oral + Laboratory” curriculum, clinical–research co-training pathways, and multidisciplinary collaboration mechanisms. The overarching goal is to inform educational innovation aimed at preparing laboratory professionals capable of supporting precision oral healthcare.
Keywords
Introduction
Oral diseases are intrinsically linked to systemic health, with their diagnosis and monitoring increasingly dependent on specialized laboratory technologies. 1 In oral specialty hospitals, the Department of Laboratory Medicine handles a range of unique biological samples—such as saliva, 2 gingival crevicular fluid, 3 oral microorganisms, 4 and mucosal tissues 5 —which demand specific technical expertise and diagnostic approaches. Cultivating a workforce skilled in both laboratory techniques and oral medicine is therefore essential to advance precision diagnostics in this evolving field.
However, institutional experience suggests that current graduate training programs in these settings may insufficiently equip trainees with the specialized competencies required to handle such specimens or to interpret oral-systemic disease interactions. This gap underscores the need for a systematic evaluation of existing training structures and their alignment with clinical diagnostic demands. In response, this article integrates empirical clinical data with a synthesis of recent literature to assess the status and challenges of postgraduate education in laboratory medicine within oral specialty hospital.
Our analysis draws on qualified clinical specimen data from the Affiliated Hospital of Stomatology of Zhejiang University School of Medicine, collected between November 15, 2024, and November 14, 2025, with exclusion of unsuitable samples such as those with hemolysis or contamination. This dataset provides a basis for identifying discrepancies between training and practice. Furthermore, a systematic literature search was conducted using PubMed and Web of Science for publications up to 2025, with keywords including “laboratory medicine,” “oral disease,” “stomatology,” “postgraduate training,” “biomarker,” and “interdisciplinary education.” Conference abstracts without full-text access were excluded.
This article has two core aims: to diagnose the structural misalignment between current graduate training and the specialized demands of the Department of Laboratory Medicine in oral specialty hospitals, and to propose a targeted reform framework centered on “disciplinary integration.” To this end, we address three guiding questions: What specific curricular gaps exist in handling unique oral biospecimens and emerging diagnostic domains? How does the disconnect between graduate research and clinical needs impede translation? What are the essential components of a feasible, specialty-oriented training model? By answering these, we provide a clear roadmap for cultivating the next generation of laboratory specialists capable of bridging technical expertise with clinical reasoning to advance precision oral diagnostics.
Current Challenges in Graduate Education
Homogenized Curriculum, Lacking Specialization
A curriculum tailored to the diagnostic characteristics of oral diseases is lacking, as postgraduate training in most oral hospital laboratories remains based on generalized models from general hospitals. This structural misalignment is clearly reflected in clinical specimen profiles: our hospital data shows an 87.50:12.50 ration for outpatient to inpatient specimens (Figure 1A), a 98.35: 1.65 ratio for in-house tested versus externally tested specimens (Figure 1B), and a striking 98.76:1.24 distribution between general laboratory specimens and those for oral disease-relevant diagnostics (Figure 1C)—the latter comprising only a limited number of items such as routine microbial culture with identification and T-cell subset analysis (Figure 1D).
Distribution of specimen types and test profiles in an oral specialty hospital laboratory. (A) Proportions of outpatient versus inpatient specimens. (B) Proportions of testing performed in-house versus referred to external specimens. (C) Proportions of general versus oral disease-relevant specimens. (D) Detailed composition of the oral disease-relevant specimen category.
This specimen profile highlights critical deficiencies in the current training system concerning essential oral specialty domains. Key gaps are evident in oral microbiomics (focused on microbiota–disease relationships within an ecosystem of over 700 microbial species), 4 salivary biomarker detection (a noninvasive approach supported by the presence of more than 3000 distinct proteins in saliva),6–8 and oral mucosal immunology (addressing local immune mechanisms). 9 In the absence of systematic education in these fields, postgraduate students face difficulties in appreciating the clinical relevance of oral-specific diagnostics and in mastering structured diagnostic approaches for dental caries, periodontal diseases, and mucosal disorders.8,10 As a result, their potential to contribute meaningfully to both research and clinical advancement in precision oral healthcare remains underrealized. This scarcity of oral-specific testing is particularly striking given the rich diversity of specialized biospecimens available in oral specialty hospital, which represent invaluable but currently underutilized resources for education and research, as summarized in Table 1.
Oral Biospecimen Resources and Their Applications in Laboratory Medicine Education and Research.
Disconnect Between Research and Clinical Needs
There is a clear tendency in the current setting of graduate student research topics in the field of diagnostics: research is overly focused on the optimization and improvement of traditional diagnostic techniques, but there is insufficient integration with oral clinical practice. Specifically, there is a notable scarcity of high-quality, translationally oriented studies in critical areas such as rapid noninvasive diagnostics for peri-implantitis, 29 cost-effective early screening biomarkers/protocols for oral cancer, 30 and real-time monitoring methodologies for cariogenic microbial communities. 31 This misalignment impedes the translation of research outcomes into clinical practice, substantially limiting their contribution to improving oral disease prevention and treatment.
Deficiencies in Interdisciplinary Collaboration
Precision management of oral diseases—particularly periodontitis, mucosal disorders, and oral cancer32–34—heavily relies on close collaboration between the Department of Laboratory Medicine (providing microbiological, molecular, and other diagnostic evidence) and clinical departments through Multidisciplinary Team (MDT) models. The case of oral squamous cell carcinoma (OSCC), representing roughly 90% of oral cancer cases,30,35 powerfully illustrates this point. Beyond the conventional risk factors of smoking and alcohol, the oral microbiome (such as
This complex interplay between microbial ecology and oncology makes the laboratory's role in pathogen identification and analysis not just supportive but essential for precision medicine. However, current oral medical education systematically neglects MDT mindset training. Students struggle to effectively integrate these precise laboratory findings with clinical manifestations, resulting in an insufficient ability to bridge micro-level laboratory data with macro-level clinical decision-making. This gap critically constrains their future capacity to manage such complex cases and advance precision oral medicine.
Limitations in Practical Training Platforms
Due to scale constraints, oral specialty hospital laboratories often lack advanced equipment (such as NGS sequencers, mass spectrometers), preventing graduate students from systematically mastering end-to-end operational skills in cutting-edge technologies—from sample processing to data analysis. This deficiency not only curbs their potential for scientific innovation but also obstructs the transition of oral healthcare toward molecular subtyping and personalized treatment paradigms.
Specialized Reform Strategies for Laboratory Medicine Graduate Education
Constructing an “Oral + Laboratory” Integrated Curriculum
Adding Core Specialty Courses
To enhance the interdisciplinary diagnostic skills of laboratory medicine graduate students, it is suggested to drive integrated course practice through case-based teaching methods: Oral Microbes and Infectious Diseases examines pathogenic mechanisms including Candida biofilm formation and dynamic shifts in core periodontal pathogens 37 ; Salivary Diagnostics cultivates noninvasive diagnostic skills through microbiome analysis and inflammatory biomarker detection for early disease warning 6 ; Oral Molecular Pathology focuses on clinical translation of molecular techniques (PCR, FISH, gene chips). 38 Based on typical cases of systemic diseases combined with oral infections, guide students to design a stepwise testing path (from microscopic screening to molecular identification, and then to drug sensitivity analysis), comprehensively evaluate the cost-effectiveness of traditional culture and NGS and other technologies, and ultimately formulate data-driven diagnosis and treatment plans, significantly enhancing the integrated application ability of diagnostics and clinical practice.
Strengthening Interdisciplinary Modules
Integrating educational resources from oral implantology and maxillofacial surgery delivers cutting-edge courses: digital assessment of implant infections and liquid biopsy for oral tumors. These modules foster deep understanding of digital diagnostics for implant complications and liquid biopsy applications in noninvasive cancer screening/monitoring. Students synthesize multidisciplinary knowledge (microbiology, molecular biology, imaging, prosthetic design, surgical therapy) to systematically address complex clinical challenges across etiology exploration, diagnostic technology selection, treatment planning, and prognostic evaluation—cultivating holistic problem-solving competencies.
Implementing a Dual-Track “Clinical-Research” Training Model
Deep Clinical Immersion
A mandatory Laboratory-Clinical Rotation System requires graduate students to engage in oral clinics and wards for clinical needs assessment, with competency cultivated through practical tasks. Examples include designing rapid metagenomic pathogen screening protocols for severe maxillofacial space infections 39 or optimizing automated lactobacillus screening workflows for childhood caries prevention. 40 This cultivates students’ systematic ability to transform clinical pain points into innovative laboratory solutions, thereby overcoming diagnostic-therapeutic bottlenecks.
Specialty-Driven Research Focus
Leveraging oral disease clinical biobanks, students conduct translational research targeting: the oral-systemic disease axis: investigating periodontitis microbiota-rheumatoid arthritis links via integrated metagenomic sequencing & metabolomic mass spectrometry 41 ; exosomal biomarkers for oral cancer: developing early-diagnostic models and establishing real-time monitoring systems to guide immunotherapy through exosome profiling. 42 All projects follow a closed-loop sample-driven, technological breakthrough, clinical validation pathway to accelerate innovation adoption.
Establishing Specialized Technology Platforms and Multidisciplinary Collaboration Networks
Building Specialized Technology Platforms
Build a high-precision mass spectrometry platform to achieve simultaneous quantitative analysis of over a thousand saliva proteins, establish a long-read metagenomic sequencing process to analyze the functional genes of bacterial strains; integrate the entire chain of practice from “Biospecimen Collection and Pre-processing → Multi-omics detection and analysis → Data integration and bioinformatics analysis →Experimental and Functional Validation → Translational Applications.” Graduate students will conduct practical operations such as standardizing saliva processing, protein enzymatic digestion classification, rapid microbial CRISPR detection, and design transformation products such as saliva diagnostic panels for oral cancer; through the deep coupling of specialized technology platforms and the entire process of practical operation, forge the core capabilities of translational medicine. Figure 2 covers the entire workflow from the collection of biological samples to their transformation and application.
A multistage workflow for oral biomarker discovery and translation in precision dentistry.
Creating MDT Joint Training Mechanisms
A “Precision Oral Diagnostics” research unit—jointly established by the Department of Laboratory Medicine, Oral Pathology, and Radiology—integrates multidisciplinary expertise. Through two cornerstone activities: (1) regular interdisciplinary case conferences and (2) collaborative research grant applications, this initiative immerses graduate students in multidisciplinary teamwork. It substantively enhances their abilities in cross-departmental communication, analytical reasoning, and collaborative problem-solving when managing complex oral diseases.
Optimizing Mentorship and Evaluation Systems
Implementing a Dual-Mentor Model
The implementation of the project adopts a model where the laboratory department supervisor (who focuses on providing guidance on experimental techniques and methodology to ensure scientific rigor) and the oral clinical supervisor (who focuses on extracting clinical needs and problem-oriented approaches to ensure the practicality of the research) jointly guide the graduate students. Through regular joint discussions and phased progress evaluations, this collaborative framework guides students to deeply comprehend the nexus between fundamental research and clinical application. It effectively hones their ability to integrate multidimensional knowledge while designing and executing research with both innovative merit and translational potential.
Adopting Multidimensional Evaluation Metrics
To counteract publication-centric bias and align with the hospital's clinical mission, this training program significantly expands assessment criteria. The evaluation now departs from a narrow focus on academic papers toward prioritizing tangible clinical problem-solving. Contributions such as developing novel testing protocols or optimizing laboratory workflows for greater efficiency or improved patient experience are explicitly valued. This reform directs students’ focus toward clinical needs, cultivates practical problem-solving competencies, and underscores the institution's commitment to cultivating applied professionals.
Reform Outcomes and Future Directions
Reform Framework and Long-Term Impact Evaluation
The proposed reform, integrating the strategies from “Specialized Reform Strategies for Laboratory Medicine Graduate Education” section into a framework of “disciplinary integration” and “clinical transformation,” demands evaluation based on its sustained, long-term impact. Success will be measured through a multidimensional approach that tracks outcomes beyond immediate outputs.
Key indicators will encompass: (1) Educational Outcomes, assessed via competency-based exams and longitudinal tracking of graduate career advancement; (2) Clinical Impact, quantified by the adoption of novel diagnostic tests developed from student research and graduates’ effectiveness in MDTs; and (3) Systemic Advancement, reflected by alumni progression into leadership roles and, ultimately, measurable improvements in patient outcomes through earlier diagnosis and personalized treatment. This comprehensive evaluation aims to validate the reform's ultimate goal: cultivating a generation of specialists who fundamentally enhance precision oral healthcare.
Future Directions and Practical Considerations
It should be acknowledged that this article, while identifying key challenges and proposing a conceptual framework, is primarily descriptive and practice-based. A key limitation is the absence of empirical outcome data derived from formally implemented educational interventions. Therefore, a critical immediate future direction involves the design and rigorous evaluation of pilot programs based on these recommendations, which would provide the necessary evidence for broader adoption.
Furthermore, the implementation of these reforms faces foreseeable financial and logistical barriers. Establishing advanced technology platforms (such as mass spectrometers and NGS sequencers) requires substantial funding, while developing specialized courses demands dedicated faculty resources. Logistically, integrating clinical rotations and multidisciplinary training presents considerable coordination challenges. A phased implementation strategy—initiating high-impact, lower-cost modules first—is recommended. Concurrently, securing external grants, forming industry partnerships, and leveraging shared institutional resources are crucial avenues for sustainable adoption.
Conclusion
To meet the demands of the development of precise oral diagnosis and treatment, this study proposes a reform path for postgraduate education centered on “disciplinary integration”: by establishing an oral specialty curriculum system (such as microbiology, saliva diagnosis), implementing a “clinical-research dual-track system” to enhance practical transformation, building an MDT collaboration platform and technology center, breaking through disciplinary barriers, and implementing a “dual-mentor system” and diversified evaluation (emphasizing the effectiveness of solving clinical problems). While grounded in a single institutional context, this framework offers transferable insights for medical educators seeking to strengthen practice-oriented and interdisciplinary graduate training.
Footnotes
Author Contributions
All authors cooperatively conceptualized the content. Mengting Chen drafted the manuscript and worked on the data analysis. Yun Qian contributed significantly to refining the main ideas of the paper. All authors reviewed, edited, and finally consented the manuscript.
Funding
The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by “Pioneer” and “Leading Goose” R&D Program of Zhejiang [Grant number: 2025C02099].
Declaration of Conflicting Interests
The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.