ème molaire (P = 0,008 ; OR = 2,5). Les dents causales des cellulites sous-mylohyoïdiennes étaient les 2 èmes et les 3 èmes molaires mandibulaires. Ces résultats concordent avec les données de la littérature. Cependant, chaque forme topographique doit être en nombre statistiquement significatif pour étudier au mieux les relations avec les dents causales. Abstract -Perimaxillary cellulitis: etiology and anatomo-clinical relations.We retrospectively studied maxillofacial space infections presenting to oral and maxillofacial surgery unit (Aristide Le Dantec teaching hospital) over a 47-month period. Odontogenic causes, dental sources of infection and anatomic maxillofacial spaces associated were evaluated and compared with other recent statistics. 349 patients were admitted. The origin of maxillofacial space infections was predominantly odontogenic (92.7%). The most common cause of odontogenic infections was decay (79.9%). At the maxillary, 1st and 2nd molars were the main source of buccal maxillary space infections (34%). At the mandible, 1st and 3rd molars were respectively the predominant source of buccal mandibular (41.2%) and submandibular (44.8%) space infections. Buccal mandibular space infections were related to 1st and 2nd molars (P = 0.008 ; OR = 2.5). Only 2nd and 3rd molars were the dental sources of submandibular space infections.  Etiologic aspects in this series were in agreement with the medical literature. Maxillofacial spaces infections seem related to dental sources of infection.

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