Background: Temporomandibular disorder (TMD) belongs to a heterogeneous group of musculoskeletal and neuromuscular conditions involving the temporomandibular joint complex, musculature and adjacent components. These conditions can generate signs and symptoms and be influenced by an altered biopsychosocial condition. Objective: This study aims to seek information to assist the patient in the presence of TMD signs and symptoms and Orofacial Pain, associated with the period of social isolation during the COVID-19 pandemic. Material and methods: For the preparation of this manual, a bibliographic search was performed in the databases PubMed, Latin American and Caribbean Health Sciences Literature (LILACS), BBO (BVS), Scopus, Web of Science and The Cochrane Library, using the keywords: orofacial pain, temporomandibular disorders, bruxism, stress, anxiety, biopsychosocial, diagnosis, self-care with important information on how to reduce and control the signs and symptoms of TMD and Orofacial Pain in this moment of pandemic that we are experiencing a social detachment. Results: The results show that the pandemic of COVID-19 and the need for social isolation, generates psychological impact that raises the pattern of anxiety and can directly affect patients with bruxism and TMD. Conclusion: Psychological factors associated with the pandemic can lead to an increased risk of developing, worsening and perpetuating bruxism, especially waking bruxism and TMD, so dentists should be aware of the occurrence of signs and symptoms to manage the multifactorial aspects of this condition. At that time, individual self-management strategies are advised for the patient, which consist of self-massage techniques, body education, exercise practices, sleep hygiene, meditation and making available the use of tools and online devices that facilitate this activity.KeywordsOrofacial pain; Temporomandibular disorders; Bruxism; Stress; Anxiety; Biopsychosocial; Diagnosis; Self-care; COVID-19.
Bifid or trifid mandibular condyle is an extremely rare entity, of unknown etiology, although it has been associated with trauma in the condyle growth center. The development of imagining techniques has allowed the exact characterization of these alterations, which were incidentally discovered by routine dental x-rays. The aim of this report is to describe a case of a mandibular condyle with a trifid appearance in a twelve year-old individual with a history of mandibular trauma during childhood and a review of the relevant literature.
The temporomandibular joint (TMJ) is part of the craniofacial complex and is made up of a large number of structures and elements, making its operation complex, so that small alterations can cause a wide variety of functional problems. 1. These problems are known as temporomandibular disorders (TMD), a generic term covering a group of musculoskeletal and neuromuscular conditions that affect the TMJ, the masticatory muscles and all associated tissues. 2,3 AbstractTemporomandibular joint disc displacement is common in the world's population and could be associated with bone and functional characteristics of the temporomandibular joint. The aim of these study was to analyse the association between temporomandibular joint disc position evaluated by magnetic resonance imaging (MRI) and the inclination of the mandibular condyle evaluated by computed tomography (CT).One hundred and seventy temporomandibular joints (TMJ) were retrospectively analysed. The temporomandibular disc position was evaluated by MRI and classified into three types: normal (N), disc displacement with reduction (DDWR) and disc displacement without reduction (DDWoR). The mandibular condyle measurements evaluated by CT included horizontal, sagittal and coronal inclination. ANOVA followed by post hoc Tukey's test was used to evaluate the interaction between condylar inclination and disc position. There was an association between disc position and the horizontal and sagittal condylar inclination (P < .05). There are statistically significant differences in the mean of horizontal and sagittal inclination of the mandibular condyle between the DDWoR and the other disc positions (P = .002 and P = .004). Disc position was not statistical associated with coronal inclination of condyle (P > .05). These results indicate that the inclination of the mandibular condyle may be different in TMJ with various disc position. A more medial horizontal inclination and a more posterior sagittal inclination of the mandibular condyle are associated with DDWoR. K E Y W O R D Scomputed tomography, magnetic resonance imaging, mandibular condyle, temporomandibular joint, temporomandibular joint disc |The TMD are a major health problem, affecting more than 50% of the world's population at some point in their lives and usually occurs in children, youth and adults of all ages and gender. 4,5 TMD can be classified into two major categories: temporomandibular joint disorders and masticatory muscle disorders. 2,3 Among the disorders of the TMJ are the alterations of the intra-articular mobility and the disorders of the disc-condyle complex. 2,6 Disorders of the disc-condyle complex consist of an abnormal position of the articular disc with respect to the mandibular condyle and the articular eminence. [7][8][9] Abnormal disc position or disc displacement has often been diagnosed in patients of diverse populations and can occur even in the growing population and is considered to be a condition that may worsen over time. 10,11 It has been observed that disc displacement of the TMJ is ab...
La cavidad ósea de Stafne (CS) ha sido descrita como una radiolucencia oval, de bordes definidos y corticalizados, localizada por debajo del conducto mandibular entre el primer molar y el ángulo de la mandíbula. Casos atípicos de presentación de la cavidad en forma lobulada con márgenes irregulares, escleróticos o incompletos, así como una localización inusual requieren el empleo de métodos imagenológicos que posibiliten realizar un diagnóstico diferencial, evitando un procedimiento invasivo. El objetivo del presente trabajo fue describir un caso de CS en un paciente masculino de 74 años de edad, con antecedente de cáncer de próstata. Las imágenes de tomografía computarizada de haz cónico evidenciaron una cavidad abierta hacia la tabla lingual por debajo del conducto mandibular. Las imágenes de resonancia magnética y tomografía computarizada multicorte permitieron identificar el contenido del defecto, identificado en ambos métodos imagenólogicos como tejido adiposo. El examen radiográfico de una CS de aspecto atípico debe ser complementado con estudios tomográficos y de resonancia magnética, estos proporcionan información relevante para el diagnóstico definitivo, limitando la realización de una exploración quirúrgica. En el caso clínico presentado, la caracterización de la extensión del defecto, su relación con los dientes y estructuras vecinas, así como la identificación del contenido permitieron descartar la presencia de una metástasis de cáncer de próstata.
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