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Relationship between articular eminence inclination and alterations of the mandibular condyle: a CBCT study
SA, Saione Cruz; MELO, Saulo Leonardo Sousa; MELO, Daniela Pita de; FREITAS, Deborah Queiroz; CAMPOS, Paulo Sérgio Flores.
  • SA, Saione Cruz; Universidade de Campinas. Piracicaba Dental School. Department of Oral Diagnosis. Piracicaba. BR
  • MELO, Saulo Leonardo Sousa; Universidade de Campinas. Piracicaba Dental School. Department of Oral Diagnosis. Piracicaba. BR
  • MELO, Daniela Pita de; Universidade de Campinas. Piracicaba Dental School. Department of Oral Diagnosis. Piracicaba. BR
  • FREITAS, Deborah Queiroz; Universidade de Campinas. Piracicaba Dental School. Department of Oral Diagnosis. Piracicaba. BR
  • CAMPOS, Paulo Sérgio Flores; Universidade de Campinas. Piracicaba Dental School. Department of Oral Diagnosis. Piracicaba. BR
Braz. oral res. (Online) ; 31: e25, 2017. tab, graf
Article in English | LILACS | ID: biblio-839516
ABSTRACT
Abstract This study aimed at verifying the correlation among angulation of the articular eminence (AE), shape of the condyle and its degenerative bone diseases (DBDs), according to age and sex, through Cone Beam Computed Tomography (CBCT). Five hundred and twenty-eight temporomandibular joints (TMJ) were evaluated. The condyles were classified as flat, convex, angled and rounded, and the AE angulation was measured. The DBDs evaluated were osteophytes, flattening, erosion, subcortical cysts and spinal sclerosis. There was no difference in the mean angulations in relation to age group (p>0.05). In age groups of 60-69 years (p=0.003) and 70 years or over (p=0.021), the angulation was higher in males. There was an association between DBD and sex (p=0.047), in that the prevalence was higher in females. Differences in AE angles were not observed in condyles with one or no DBDs (p>0.05). However, the presence of two or more DBDs led to a decrease in the angle (p<0.05). Angled condyles showed higher AE angulations than the flat and convex types (p<0.01). In conclusion, the AE inclination is influenced by DBD and condyle shape; an association of two or more bone diseases in the condyle, or its flat or convex anatomy, results in a decrease in the angulation.
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Full text: Available Index: LILACS (Americas) Main subject: Temporomandibular Joint / Mandibular Condyle Type of study: Observational study / Prevalence study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de Campinas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Temporomandibular Joint / Mandibular Condyle Type of study: Observational study / Prevalence study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de Campinas/BR