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Background: Oral surgery involves the diagnosis and surgical treatment of diseases affecting the soft and hard tissues of the oral cavity and encompasses a wide range of surgical interventions. The aim of this investigation was to study the characteristics and age-related diagnoses of these oral surgeries, as well as to describe the surgical procedures performed in a pediatric oral and maxillofacial surgery service. Methods: A descriptive, retrospective, observational, and relational study was conducted on children and adolescents aged from 0 to 22 years who were treated in a pediatric oral and maxillofacial surgery service at a children's hospital. Results: We analyzed 1311 surgical interventions (51.4% were on boys and 48.6% on girls), consisting of 24.8% soft tissue surgeries, 65.9% bone and dental tissue surgeries, and 9.3% mixed tissue surgeries. The most common pathologies were tooth eruption disorders (65.9%), followed by ankyloglossia (20.5%). The most frequent treatment was wisdom teeth extraction (31.3%). A statistically significant association (p < 0.05) was found between surgical treatments and variables such as age, sex, tissue type, and biopsy. Conclusions: This study enhances our understanding of pediatric oral surgery, emphasizing that the most common pathology is altered tooth eruption, while the most frequent surgical intervention is the extraction of wisdom teeth at different stages of development. [ABSTRACT FROM AUTHOR]

Intraosseous arteriovenous malformations (AVMs) in the head and neck region are uncommon. There are several types and they can have a wide range of clinical presentations. Depending on the blood flow through the AVM, the treatment may be challenging for the attending team and may lead to life-threatening hemorrhages. A clinical case report is presented. A 9-year-old girl, seen for gingival bleeding during oral hygiene, was found to have a high-flow AVM located within and around the mandible. Two-stage treatment consisted of intra-arterial embolization followed by intraoral injection of a sclerosing agent 8 weeks later. At the 8-year follow-up, imaging study showed no evidence of recurrent lesion inside or outside the bone. The final outcome is a correct occlusion with a symmetric facial result. This case shows that conservative treatment may be the first treatment option mostly in children. Arteriography and transcortical injection were enough to control the AVM. [ABSTRACT FROM AUTHOR]

Osteogenesis Imperfecta (OI) is a rare autosomal dominant connective tissue disorder in wich, the bone quality and density is affected. OI includes some metabolic disorders and have a wide range of clinical presentations. In Osteogenesis Imperfecta bone has a very low density and it is a disorder currently treated with bisphosphonates. Quality and quantity of bone is important for establishment of osseointegration in dental implants. There are few reported cases in the literature. This is a case report of a 61 year-old man with grade IV OI, rehabilitated with implant-supported fixed prostheses in the posterior right and left mandible, whithout bone grafts. At the 4-year follow-up, clinical and imaging study showed no evidence of pathology in the peri-implant tissues. The final outcome is a correct occlusion and masticatory function. This case shows that dental implants may be a treatment option in this patients, however there is still quite limited scientific evidence. Key words: Osteogenesis imperfecta, osteoporotic bone, dental implants, bone fragility, bisphosphonates, drilling technique., Competing Interests: Conflict of interest statement:The authors received no financial support and declare that there is no conflict of interests regarding the publications of this paper.