eng Science and Education Publishing American Journal of Medical Sciences and Medicine 2327-6657 2018-09-02 6 2 37 40 10.12691/ajmsm-6-2-4 AJMSM2018624 article Aziz Zakaria Dr.zakaria2011@gmail.com 1 Aboulouidad Salma 1 Kharbouch Jinane 1 Ibnouelghazi Naouar 1 Mansouri Hattab Nadia 1 Department of Maxillofacial Surgery, Mohammed VI University Hospital Center, Marrakesh, Morocco Temporomandibular joint (TMJ) ankylosis is a disabling disease where the main clinical feature is limited mouth opening. Aim: Our study's aim is to draw epidemiological, clinical and imaging aspects of this disease in Marrakesh. Patients and methods: retrospective study gathering all TMJ ankylosis cases operated between 2008 and 2016 at maxillo-facial surgery department in University Hospital Mohamed VI of Marrakech. Results: a total of 27 cases were included, the mean age was 22,9 years (3-55 years). The sexe-ratio was 0,5. Unilateral cases (81,5%) were more common than bilateral. The most frequent aetiology was trauma (85,2%) followed by infection (7,4%) and one case of ankylosing spondylitis (3,7%). Mouth opening less than 10mm was observed in 67%. According to Topazian Classification, Stage I was predominant (59%). Conclusion: TMJ ankylosis is frequent in our context, especially due to neglected condylar trauma so the best treatment remains the prevention based on early diagnosis and proper management of TMJ trauma. http://pubs.sciepub.com/ajmsm/6/2/4/ajmsm-6-2-4.pdf temporomandibular joint ankylosis epidemiology