Relevance. Riga-Fede disease (RFD) is a rare pathology that develops as a result of trauma to the mucous membrane of the tongue ventral surface with sharp edges of natal, neonatal or primary teeth erupting in time and manifests in the form of erosion or sublingual fibrous lesion with an ulcerated surface.Purpose. To analyze the literature and present our own RFD clinical cases.Material and methods. A search was performed of articles published in 2001-2023 on the research topic in the main scientific literature databases (PubMed, E-library, Google Scholar, etc.). We analyzed the data from 68 publications and presented three of our own clinical cases of RFD in children aged 5, 6 and 9 months.Results. Analysis of literature data revealed different approaches to the diagnosis and treatment of RFD in children. The diagnosis of RFD should rely on the clinical picture and exclude additional trauma to children by histological examination and lesion excision. Pronounced tooth mobility, ineffective infant feeding and the presence of neurological diseases in patients were the main indications for the extraction of teeth, which caused RFD development. In the absence of tooth mobility, non-surgical treatment methods should be preferable. In the presented clinical cases, erupted primary teeth caused BRF. In two cases, the treatment consisted of smoothing the sharp edges of the teeth and restoration with glass ionomer cement; in one case, a child with a neurological disease experienced extraction of lower central incisors. In all cases, recovery was within 3-4 weeks.Conclusion. Once clinically diagnosed with RFD, treatment method choice should consider tooth mobility and the child's overall health.

The article is devoted to the analysis of the results of surgical treatment of ankyloglossia in children using a diode laser. The patients were divided into three age groups. The immediate and long-term results of treatment were evaluated. The postoperative period was favorable in 98,5 % of cases. After 6–9 months, very good and good treatment results were most common in the first age group (96,4 %). Improvement or normalization of sound pronunciation was noted in 86,7 % of all operated children.

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Relevance. Odontogenic cysts in children are the most common bone pathology. The study aimed to conduct a retrospective descriptive analysis of inflammatory odontogenic cysts cases associated with primary teeth in children.Material and methods. The study analysed the medical records of children diagnosed with "radicular cyst associated with a primary tooth" from 2015-2020. We studied the following characteristics, namely, sex, age, location of the process, condition of the teeth in question, surgical treatment techniques and outcome. The data obtained were processed by methods of variational statistics. The Student t-test assessed the significance of differences.Results. The study analysed 60 cases of inflammatory odontogenic cysts in children aged 6 to 13 years. Cysts were more often associated with the primary lower second molars previously treated with the resorcinol-formaldehyde resin therapy. The period from the tooth treatment to the cyst diagnosis was 3 to 5 years. The treatment of cysts applied methods of a gentle and traditional cystotomy. Fifty-one children (85.0%) had follow-up examinations. All children showed bone tissue restoration during the period of 4 to 12 months and spontaneous eruption of permanent teeth in 3-8 months. Only 4 cases (7.8%) required orthodontic correction of permanent teeth position.Conclusion. Primary lower molars, previously treated with resorcinol-formaldehyde resin, are the most common cause of jaw inflammatory odontogenic cysts in children. Low-traumatic surgical methods preserving the follicles of permanent teeth are highly effective (88.2%).

A comparative analysis of the results of treatment of children with ankyloglossia was carried out. Patients are divided into three age groups (3–6 years; 7–9 years; 10–12 years) and two subgroups depending on the method (conventional surgical and diode laser method). The immediate (14 days) and long-term (9 months) results of treatment were evaluated. The study showed the advantage of using a laser in assessing immediate results and the absence of significant differences in assessing long-term results. Regardless of the method of treatment, a higher efficiency of frenuloplasty is determined at preschool age.