eagle and ernest syndromes: a scoping review

INTRODUCTION: Ossification disorders can affect the stylohyoid ligament as well the stylomandibular ligament. The symptomathology between those syndromes and other pathologies it has been a problem because there is not a guideline. eViDeNce acQUiSitiON: With the aim to establish prevalence, diagnosis and etiopathogenesis of eagle and ernest syndromes, a scoping review was performed base on PriSMa criteria. eViDeNce SYNtHeSiS: to review stylohyoid ligament and eagle Syndrome 93 articles were selected. three articles regarding the stylomandibular ligament and ernest Syndrome were founded and selected. cONclUSiONS: Both syndromes should be clinically diagnosed and corroborate with imaging (2D or 3D), although imaging in ernest Syndrome is not clear as well in eagle Syndrome. a decisional algorithm for diagnosis of eagle Syndrome and ernest Syndrome is presented.