Akademik Veri Yönetim Sistemi
CED-IADR/NOF Oral Health Research Congress, Rodos, Yunanistan, 21 - 23 Eylül 2023, ss.160
Objectives This study aimed to investigate the morphological analyses of the bone components of temporomandibular joint (TMJ),
and dentofacial morphology in myotonic dystrophy type 1 (DM1) patients by cone-beam computed tomography (CBCT).
Methods Sixty-six individuals (33 DM1, and 33 healthy subjects) age ranging from 20 to 69 were included in the study. Clinical
examinations of the patients' TMJ regions and evaluation of dentofacial morphology (maxillary deficiency, open-bite, deep palate,
and cross-bite) were performed. Dental occlusion was determined based on Angle's classification. CBCT images were evaluated
regarding mandibular condyle morphology (convex, angled, flat, and round) and osseous changes observed in the condyle (normal,
osteophyte, erosion, flattening, sclerosis). DM1-specific morphological and bony TMJ alterations were determined.
Results DM1 patients showed a high prevalence of morphological and osseous TMJ changes, and statistically significant skeletal
alterations. The analysis of CBCT scans indicated the prevalent condylar shape among patients with DM1 was flat, the main osseous
abnormality was flattening, there was a tendency towards skeletal Class II, and a posterior cross-bite was frequently detected in DM1
patients. There was no statistically significant difference between the genders on the parameters evaluated in both groups.
Conclusions Adult patients with DM1 presented a high frequency of crossbite, tendency to skeletal Class II and morphological osseous
alterations of TMJ. The analysis of the morphological condylar alterations in patients with DM1 may be beneficial in the diagnosis of
TMJ disorders. This study reveals DM1-specific morphological and osseous TMJ alterations to provide an appropriate dentaltreatment planning to patients