Introdution. Molar-incisor hypomineralisation is a disorder of dental enamel of a systemic origin. It may affect one or all four first permanent molars, and often involves permanent incisors. Aim. The aim of this study was to present views on aetiology, clinical picture and treatment of molar-incisor hypomineralisation. Material and methods. PubMed database was reviewed for years 2003-2017, the search criteria were: “molar incisor”, “hypomineralisation”, “permanent teeth”. Results. The aetiology of MIH is multifactorial and not fully explained. Authors agree that the general health during the first 3-4 years of life has a major impact on this disorder. The clinical picture includes demarcated white, yellow or brown tissue spots, and increased porosity of the enamel. Enamel damage and defects can also occur. Therapeutic management depends on the severity of the disease and includes intensive prevention, hard tissue reconstruction, and extractions. Conclusions. Due to the increasing prevalence of this disorder, special attention should be paid to children whose health status is or was bad in the first 3-4 years of life. They are at a higher risk for this condition.
Oral mucositis (OMBI) is a common side effect of chemo- and radiotherapy, which are use to cancer treatment. The clinical symptoms are: erythematous, ulcers that appear over time, which may be painful and cause difficulty in food intake, secondary fungal and bacterial infections. Among the methods of treatment, we distinguish laser therapy, ozone therapy, cryotherapy and local treatment. The paper presents the case of a 12-year-old patient with B-cell lymphoblastic leukemia, treated according to the AIEOP-BFM-ALL 2017 protocol, who developed oral mucositis IV°. Bleeding from wounds after laser therapy were noticed. Ozone therapy was applied. After 6 treatments significant lesion healing was observed. The use of ozone therapy in the case of necrotic-ulcerative lesions in the course of oral mucositis in a patient in the developmental age may lead to the healing of the lesions, which allows the continuation of antitumor therapy.
Radicular cyst is the most common odontogenic cyst. This condition can be asomptymatic, it may be accidentally detected on radiographs. Among the treatment methods we distinct conservative, surgical and conservative-surgical procedures. This article presents the case of a 15-year old male patient. He was reported to endodontic treatment of tooth 22 with extensive periapical lesion. Intraoral examination showed a change in the colour of the tooth crown, negative reaction to ethyl chloride, palpable slight excessive growth around the root of the tooth 22 and positive Smreker’s test. The radiographic examination showed the presence of a large 11 x 10 mm diameter radiolucent lesion covering 2/3 of the root lenght of tooth 22. Antiseptic root canal treatment was used. Complete healing of the periapical lesion was observed after 9-months treatment. Conservative treatment of root cysts, especially in young patients, may lead to complete healing of the lesion, which will allow to avoid the need for surgery intervention or at least reduce its extent.
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