Autors: Prodanova, K. S., Sveshtarov V., Nencheva-Sveshtarova S.
Title: MODELING DATA FOR ATYPICAL CERVICOFACIAL PAIN USING TWO-STAGE LOGISTIC REGRESSION
Keywords: cervicofacial pain, DC/TMD, osteoarthrosis, two-stage logistic regression

Abstract: Sofia.Osteoarthrosis of the temporomandibular joint is a slowly progressive degenerative disorder. Clinical symptoms usually manifest unilaterally, and some joints with osteoarthrosis-related structural alterations don’t show any symptoms at all. However, we have observed some rare cases of atypical high-intensity pain (≥ 9 in VAS scores) in the contralateral non-osteoarthrosis joint, cervical, and masticatory muscles without any discomfort in the osteoarthrosis (OA) joint, but with pronounced hypomobility and deviation of the mandible to the OA joint. Our purpose was to determine if the presence of unilateral OA predisposes to the development of atypically severe pain in the contralateral joint and cervicofacial muscles, as well as the time at which the pain is likely to manifest itself from the initial symptoms of osteoarthrosis. Material and methods: A total of 90 patients with unilateral OA were divided into three groups according to the presence of cervicofacial pain and into two groups according to mandibular deviations. A two-stage logistic regression was performed to obtain an adjusted estimate of the odds and to identify if unilateral osteoarthrosis is a predictor of severe contralateral cervicofacial pain. The software package STATISTICA 13.0 was used for analysing the real data. Results and conclusions: Patients with unilateral OA and deviation to the OA side had a higher rate of atypical severe contralateral cervicofacial pain, which can occur in the first 21 months after the initial symptoms of OA.

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Issue

International Journal of Applied Mathematics, vol. 38, pp. 14-21, 2025, Bulgaria, https://doi.org/10.12732/ijam.v38i1.2

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