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Difference between revisions of "Conclusion of the ‘Normal Science’ section"
Conclusion of the ‘Normal Science’ section (view source)
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==Introduction== | ==Introduction== | ||
We have reached the conclusion of the 'Normal Science' section, which | We have reached the conclusion of the 'Normal Science' section, which fundamentally equates to phase 2 of 'Kuhn's Paradigms' where the status quo of the paradigm in the field of Orofacial Pain (OP) and Temporomandibular Disorders (TMDs) has been presented. At the same time, a range of diagnostic issues that are not yet classifiable as 'Anomalies' but rather as critical elements to evaluate within the chapter context were highlighted. | ||
Chronic 'OP' conditions can be particularly challenging to diagnose and treat due to their complexity and limited understanding of the mechanisms underlying their etiology and pathogenesis.<ref>NASEM Temporomandibular Disorders: Priorities for Research and Care The National Academies Press, Washington, DC (2020), 10.17226/25652</ref><ref>B.J. Sessle. Chronic orofacial pain: models, mechanisms, and genetic and related environmental influences. Int J. Mol. Sci., 22 (2021), p. 7112, 10.3390/ijms22137112</ref> A frequent characteristic of 'OP' is the multifactorial nature of the pathology, which further complicates diagnosis. TMDs, for example, referred to variously as Temporo-Mandibular Disorders (TMDs), Cranio Facial Pain (CFP), and Temporo-Mandibular Joint Dysfunction (TMJ dysfunction) in Anglo-Saxon countries, sometimes present diagnostic challenges. The orofacial pain caused by TMDs often overlaps with symptoms and clinical signs similar to other painful disorders, which may be manifestations of other systemic neurological diseases. This clinical scenario can make differential diagnosis difficult, especially in the early stages of the disease.<ref>Sollecito T.P., Richardson R.M., Quinn P.D., Cohen G.S.: Intracranial schwannoma as atypical facial pain. Case report. Oral Surg Oral Med Oral Pathol. 1993;76:153-6</ref><ref>Shankland W.E.: Trigeminal neuralgia: typical or atypical? Cranio. 1993;11:108-12.</ref><ref>Graff-Radford S.B., Solberg W.K.: Is atypical odontalgia a psychological problem? Oral Surg Oral Med Oral Pathol. 1993;75:579-82.</ref><ref>Ruelle A., Datti R., Andrioli G.: Cerebellopontine angle osteoma causing trigeminal neuralgia: case report. Neurosurgery. 1994;35:1135-7.</ref> In a percentage of patients with functional disorders of the stomatognathic apparatus, some peripheral risk factors, i.e., occlusal, have been identified<ref>B.C. Cooper Temporomandibular disorders: a position paper of the International College of Cranio-Mandibular Orthopedics (ICCMO) Cranio, 29 (2011), pp. 237-244, 10.1179/crn.2011.034</ref><ref>M.S. Nguyen, T. Jagomägi, T. Nguyen, M.Saag, Ü. Voog-Oras Occlusal support and temporomandibular disorders among elderly Vietnamese Int J. Prosthodont, 30 (2017), pp. 465-470, 10.11607/ijp.5216</ref><ref>M.S. Nguyen, M. Saag, T. Jagomägi, Q.H.Nguyen, Ü. Voog-Oras The impact of occlusal support on temporomandibular disorders: a literature review Proc. Singap. Healthc., 31 (2021), pp. 1-12, 10.1177/2010105821102</ref><ref>T.R. Walton, D.M. Layton Mediotrusive occlusal contacts: best evidence consensus statement J. Prosthodont, 30 (S1) (2021), pp. 43-51, 10.1111/jopr.13328</ref><ref>A. Kucukguven, M.D. Demiryurek, I.Vargel Temporomandibular joint innervation: anatomical study and clinical implications Ann. Anat., 240 (2022), Article 151882, 10.1016/j.aanat.2021.151882</ref> as well as a series of central biopsychosocial risk factors concerning Central Nervous System dysfunctions.<ref>R.B. Fillingim, R. Ohrbach, J.D.Greenspan, C. Knott, R. Dubner, E. Bair, C. Baraian, G.D. Slade, W. Maixner Potential psychosocial risk factors for chronic TMD: descriptive data and empirically identified domains from the OPPERA case-control study J. Pain., 12 (11 Suppl) (2011), pp. T46-T60, 10.1016/j.jpain.2011.08.007</ref><ref>G.D. Slade, R. Ohrbachm, J.D.Greenspan, R.B. Fillingim, E. Bair, A.E.Sanders, R. Dubner, L. Diatchenko, C.B.Meloto, S. Smith, W. Maixner Painful temporomandibular disorder: decade of discovery from OPPERA studies J. Dent. Res, 95 (10) (2016), pp. 1084-1092, 10.1177/0022034516653743</ref><ref>G.D. Slade, R. Ohrbach, J.D. Greenspan, R.B. Fillingim, E. Bair, A.E. Sanders, R.Dubner, L. Diatchenko, C.B. Meloto, S.Smith, W. Maixner Painful temporomandibular disorder: decade of discovery from OPPERA studies J. Dent. Res, 95 (2016), pp. 1084-1092, 10.1177/0022034516653743</ref> However, these studies have not provided new information on the main causes of TMDs and their implications for managing these patients<ref>P. Svensson, F. Exposto Commentary 2: further evidence for overlaps among chronic pain conditions-but no news about causal relationships J. Oral. Facial Pain. Headache, 34(Suppl) (2020), pp. s6-s8, 10.11607/ofph.2020.suppl.c2</ref> and consequently, a wide variety of mostly conservative treatments have been proposed<ref>C.S. Stohler, G.A. Zarb On the management of temporomandibular disorders: a plea for a low-tech, high-prudence therapeutic approach J. Orofac. Pain., 13 (1999), pp. 255-261</ref><ref>J. Feng, M. Luo, J. Ma, Y. Tian, X. Han, D.Bai The treatment modalities of masticatory muscle pain a network meta-analysis Med. (Baltim. ), 98 (2019), Article e17934, 10.1097/MD.0000000000017934</ref><ref>Z. Al-Ani Occlusion and temporomandibular disorders: a long-standing controversy in dentistry Prim. Dent. J., 9 (2020), pp. 43-48, 10.1177/2050168420911029</ref><ref>C. Penlington, C. Bowes, G. Taylor, A.A.Otemade, P. Waterhouse, J. Durham, R.Ohrbach Psychological therapies for temporomandibular disorders (TMDs) Cochrane Database Syst. Rev., Issue 8(2022), Article CD013515, 10.1002/14651858.CD013515.pub2</ref> but the lack of clinical evidence has allowed the role of occlusion in TMDs to be contested<ref>P. Alanen Occlusion and temporomandibular disorders (TMD): still unsolved question? J. Dent. Res, 81 (2002), pp. 518-519, 10.1177/154405910208100803</ref> although there is no scientific evidence contradicting a causal occlusal role in functional disorders.<ref>P. Kirveskari, T. Jamsa, P. Alanen Occlusal adjustment and the incidence of demand for temporomandibular disorder treatment J. Prosthet. Dent., 79 (1998), pp. 433-438, 10.1016/s0022-3913(98)70158-1</ref><ref>T. de Abreu, C. Bahia, T. Foscaldo, P.Senna, H. de Souza, R. Fischer, P.Kirveskari Effect of occlusal equilibration on masticatory muscle activity in females with sleep bruxism: a double-blind randomised controlled trial J. Sleep. Res., 14 (2023), Article e13879, 10.1111/jsr.13879</ref> | |||
In conclusion, a critical obstacle in understanding TMDs and consequently in differential diagnosis with 'OP' has been the loss of standardized diagnostic criteria for defining subtypes of TMDs, and for this reason numerous studies have been conducted to create a standardized diagnostic evaluation method called Research Diagnostic Criteria (RDC) and signed in RDC. For more information on the RDC theme follow the [[Research Diagnostic Criteria (RDC)|specific chapter]]. | |||
The fact is that in previous chapters we have highlighted critical issues not to be underestimated both for the delay in diagnosis and for the danger of diagnostic errors that can compromise the health of patients as well documented in the presentation of clinical cases. The prospective clinical study, which we will present in this chapter, will form the foundation of a new diagnostic paradigm that we will see realized at the end of the editorial writing of Masticationpedia and precisely in the 'Extraordinary Science' section. Given the complexity, delicacy, and criticality of the subject, the prospective clinical study lasted 5 years during which the subjects involved were studied, followed, and re-examined at three different times: at a time '''<math>t_0=</math>''' Preliminary diagnostic phase; a time '''<math>t_n=</math>''' Advanced diagnostic phase and finally a time '''<math>t_{n+1}=</math>''' Definitive diagnostic phase that will close the project from which a protocol called 'Index <math>|\Psi\rangle</math>' will be modeled, read as 'Index ket Psi'. | |||
The accuracy of the data derived from the prospective study at various evaluation times has been correlated with the Bayesian model, which is why it is necessary to briefly recall it. | |||