Objective To characterize the radiographic dental phenotype of individuals with SATB2-associated syndrome (SAS). Materials and methods Participants were evaluated by a multidisciplinary team during a concurrent clinic conducted during the 1st international SAS family meeting held in 2017 at a single institution. Whenever possible, panoramic and/or periapical radiographs were obtained in clinic or previously obtained and provided by the caregiver. Results Of the 37 individuals evaluated, 18 (12 males, median age 8.5 years) underwent radiographic examination. Dental radiographs revealed anomalies in all individuals starting at 2 years of age. The most consistent finding was delayed development of the mandibular second bicuspids (83%) with other common radiographic findings including delayed development of the roots of the permanent teeth (78%), severely rotated (56%) or malformed teeth (44%), and taurodontism (44%). Conclusions Dental anomalies are fully penetrant and can be documented radiographically in all individuals with SAS. Clinical relevance Dental radiographic findings of delayed second premolar development and delayed development of permanent root formation, especially concurrent with findings of taurodontism and malformed teeth, support a clinical suspicion for SAS and should help differentiate SAS from other neurodevelopmental syndromes.

Objective Identify, diagnose, and document oral clinical and radiographic evidence associated with the genetic condition known as special AT‐rich sequence‐binding protein 2 (SATB2)‐associated syndrome. Through identifying and publishing these common dental and behavioral findings, we hope to educate oral and medical healthcare providers to identify this condition in an attempt to develop meaningful comprehensive care to this patient population. Methods A total of 37 patients (19 female), ranging from ages 2 to 20 were evaluated at Arkansas Children's Hospital in Little Rock, Arkansas. Patient geographic distribution included: the United States, Canada, Portugal, Spain, and the Netherlands. Patients were clinically and radiographically examined for oral findings. Panoramic radiographs were obtained when patient's behavior allowed. Patient's parents or guardians were also interviewed concerning dental, medical, and behavioral histories. Results Clinical findings included delayed tooth eruption, bruxism, sialorrhea, larger than normal teeth with an increased propensity for maxillary anterior tooth trauma due to unsteady ambulation. Radiographic findings included delayed permanent root formation, significantly delayed or missing second bicuspids, malformed teeth, and taurodontism. Medical and behavioral issues included: insomnia, hyperphagia, cognitive delays, and an extremely high pain threshold. Conclusion Patients with SATB2‐associated syndrome have shown to have a consistent and unique set of dental findings both clinically and radiographically. A thorough health and dental history along with the aforementioned results of the study may facilitate a diagnosis of this syndrome. Due to the complexity of the patient's dental needs and behavior, a health practitioner with special needs care experience on a comprehensive craniofacial team would be optimal.

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