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Introduction: the avulsion of primary teeth is a disturbing and unexpected event. Description: this report describes the clinical case of a three-year-old child who suffered an avulsion and replantation of the primary upper central incisors at the site of the injury. The guardians sought treatment for the child at the Federal University of Minas Gerais after the replantation. Four months later, the child suffered a new trauma and the replanted teeth presented advanced mobility, root resorption and fistula. The clinical conduct was extraction and rehabilitation with a fixed esthetic maintainer. Discussion: the literature describes two treatment options for avulsion of primary incisors: replantation and non-replantation. According to a recent systematic review, the difficulty in obtaining a consensus regarding the best clinical conduct is due, in part, to the scarcity of publications that present not only follow-ups with clinical success, but also with failures. The outcomes of replantation can be influenced by several factors. The time elapsed between replantation and splinting, and the new episode of trauma, negatively influenced the prognosis in the present case, leading to failure. Replantation of primary incisors is not yet evidence-based treatment. Therefore, this option must be chosen with caution and in ideal situations. It requires constant clinical and radiographic monitoring for evaluation of outcomes.

Objective: to determine the prevalence of ankyloglossia in neonates and verify factors that interfere with exclusive breastfeeding and cause difficulties in breastfeeding. Methods: an observational longitudinal study conducted at a public maternity hospital in Teresina, Piauí, Brazil. The sample comprised 397 mother-child pairs. Ankyloglossia was diagnosed with the part I of the Baby Lingual Frenulum Assessment Protocol with Scores. Six months after the children were born, the mothers were interviewed and answered questions on the indication and performance of frenotomy and time of breastfeeding. Descriptive analysis of the data, chi-square test and bivariate and multivariate Poisson regression were conducted (p < 0.05). Results: the prevalence of ankyloglossia was 4.3% (n = 17). The attendance rate for the second moment of the research was 70.8% (n = 281). Of the examined children, 14 were indicated for lingual frenotomy, but only one was submitted to the procedure. The time of exclusive breastfeeding of children with ankyloglossia was equal to that of children with a normal lingual frenulum (p-value = 0.876). Ankyloglossia was not associated with breastfeeding difficulties (PR = 1.0 95%CI 0.8-1.1, p-value = 0.441), neither was it a factor for not breastfeeding exclusively for 6 months (PR = 1.1 95%CI 0.9-1.2, p-value = 0.390). Conclusions: the prevalence of ankyloglossia in the studied population was 4.3%. Baby bottle use in the first month of life and breastfeeding difficulties were hindering factors for exclusive breastfeeding.

Dentoalveolar trauma is a severe traumatic injury involving alveolar bone and dental structures. Like any trauma, it can leave irreparable sequelae and even cause tooth loss. The aim of this study is to report on the case of a dentoalveolar trauma in a 10-year-old male patient and the treatment performed with 12-month follow-up. The child had lateral luxation and displacement of teeth 11 and 21 in labial direction after a fall from his own height. The patient was examined at a hospital, received medication and was referred to a dental clinic. At the dental office, the teeth were repositioned, as well as received endodontic treatment and dental reanatomization. Two months after the trauma, root resorption was observed externally, which remained stable for 12 months. It was concluded that post-trauma treatment should be immediate and that follow-up sessions should be done carefully to minimize sequelae and to receive better prognosis.

Ectodermal dysplasia refers to a hereditary disease that affects the structures derived from the ectoderm. A key feature of this syndrome is multiple missing teeth and teeth with conical shape, affecting the primary and permanent dentition. The pathognomonic facial features make patients very similar to each other. This study aims to report a case in which a 10 years old patient was diagnosed with ectodermal dysplasia during a dental visit; we also discussed the participation of dentists in the diagnostic process of the disease. Caregivers sought dental care, anxious due to several not erupted teeth, and agenesis was confirmed after the panoramic radiograph. Clinically, dry skin, hair and sparse hair, deformed and brittle nails and nose in a “saddle” also called to attention, pointing to a case of ectodermal dysplasia suspect. Thus, the patient and her household were directed to seek medical advice, confirming the diagnosis of the syndrome that supposedly also reached other family members. Since then, the rehabilitation of the patient involved a multidisciplinary treatment planning for prosthetic rehabilitation to treat the agenesis, psycho-pedagogical care support and medical intervention for treatment of hyperopia framework present. The intra-oral characteristics are the primary factors justifying the knowledge of ectodermal dysplasia by dentists, especially the pediatric dentist, who is often the first to diagnose the disease due to the complaint of agenesis reported by parents or patients. RESUMO A displasia ectodérmica (DE) refere-se a uma doença de caráter hereditário que afeta as estruturas derivadas do ectoderma. Uma das principais características desta síndrome é a múltipla ausência de dentes e elementos com formato cônico, afetando a dentição decídua e permanente, além de características faciais patognomônicas que tornam os pacientes bastante parecidos entre si. O presente trabalho tem como objetivo relatar um caso clínico onde uma paciente foi diagnosticada com displasia do ectoderma durante uma consulta odontológica, aos de dez anos de idade; discutimos também a participação do cirurgião-dentista no processo diagnóstico da doença. Os responsáveis pela criança procuraram atendimento odontológico, ansiosos pela não erupção de diversos dentes, cuja agenesia foi confirmada ao exame radiográfico panorâmico. Clinicamente, a pele ressecada, pêlos e cabelos escassos, unhas deformadas e quebradiças e o nariz em forma de “sela” também chamavam atenção, suspeitando-se da manifestação de um caso de displasia ectodérmica. Assim, a paciente e seu núcleo familiar foram encaminhados a procurar orientações médicas, confirmando-se o diagnóstico da síndrome que, supostamente, também atingia outros membros da família. A partir de então, a reabilitação da paciente envolveu um planejamento terapêutico multidisciplinar para reabilitação protética diante das agenesias, atendimento psicopedagógico de suporte e intervenção médica para tratamento do presente quadro de hipermetropia. As alterações dentárias são as características primárias que justificam o conhecimento da displasia ectodérmica pelo cirurgião-dentista, em especial o Odontopediatra, que muitas vezes é o primeiro a diagnosticar a doença pela queixa das agenesias relatadas pelos pais ou pacientes.

Objective: The aim of this study was to evaluate the retention of glass ionomer sealant, Vitro Molar(r) (DFL) and Ketac Molar Easy Mix(r) (3 m ESPE) as pit and fissure sealants on first permanent molars, fully or partially erupted. Methods: The study sample consisted of 412 molars, among 110 children. The sealant retention was evaluated after 6 months of the application. Results: The results were collected through digital photographs and the retention results were assessed by the following System: score 0 - total retention; score 1 - sealant present in more than 50% of the pit and fissure system; score 2 - sealant present in less than 50% of the pit and fissure system; score 3 - missing sealant. Regarding the presence of the sealants in less than 50% of the occlusal surface, lower percentages were found for the two materials used as follows: score score 2 - Vitro Molar(r) (9,52% examiner 1 and 11.9% examiner 2) and score 2 - Ketac Molar Easy Mix(r)(9.52% examiner 1 and 10.71% examiner 2). Approximately 90% of the teeth sealed with Ketac Molar Easy Mix(r)or Vitro Molar(r) presented total loss (score 3). Thus, there was no statistical difference between the materials and between the examiners (p>0.05). Conclusion: Therefore it was concluded that the sealant retention in the studied population was not satisfactory for any of the materials used. Objetivo: Avaliar a retenção do cimento de ionômero de vidro, Vitro Molar(r) (DFL) e Ketac Molar Easy Mix(r) (3M ESPE) como selantes para fóssulas e fissuras em primeiros molares permanentes hígidos, parcialmente ou totalmente irrompidos. Métodos: A amostra para este estudo foi de 412 molares selados condizentes com um total de 110 crianças. A avaliação da retenção dos selantes foi realizada após 6 meses da aplicação. Resultados: Os resultados foram coletados por meio de fotografias digitais através do Sistema de Avaliação de Selantes: escore 0 = selante presente em toda o sistema de fissuras; escore 1 = selante presente em mais de 50% do sistema de fissuras; escore 2 = selante presente em menos de 50% do sistema de fissuras; escore 3 = selante ausente. Com relação a presença dos selantes em menos de 50% das fissuras, as porcentagens foram baixas para os dois materiais: score 2 - Vitro Molar(r) (9,52% avaliador 1 e 11,9% avaliador 2) e score 2 - Ketac Molar Easy Mix(r)(9,52% avaliador 1 e 10,71% avaliador 2). Cerca de 90% dos dentes selados com Ketac Molar Easy Mix(r)ou Vitro Molar(r) apresentaram perda total (score 3).Portanto, não houve diferença estatística tanto entre os materiais como entre os examinadores (p>0.05). Conclusão: Sendo assim, concluiu-se que a retenção dos selantes na população estudada foi insatisfatória para os 2 materiais.

The aim of the present study was to evaluate the association between clinical parameters and the presence of active caries lesions on the occlusal surface of first permanent molars. Forty eight children (5.8-13.8 years-old) with at least one first permanent molar present were selected. The clinical parameters evaluated were gender, age, DMF-T and dmf-t, presence of active white spots in other teeth, general plaque index, tooth's dental arch (upper or lower), tooth's side (right or left), presence of visible plaque and eruption degree of the first permanent molars. The first permanent molars were evaluated through visual inspection by two examiners in order to assess the presence of active or inactive caries lesions on the occlusal surface. Univariate and multivariate analyses for determination of the association between clinical parameters and the presence of active caries lesions in these teeth were performed. The presence of active white spots in other teeth was associated with the presence of active caries lesions in the first permanent molars, in both univariate and multivariate analyses (Odds ratio = 8.8 and 1.9, respectively). The presence of abundant visible plaque on the occlusal surface of the first permanent molars (Odds ratio = 3.5 in the univariate analysis, and 3.9 in the multivariate one) also presented a significant association. In conclusion, the presence of active white spots in other teeth and the presence of considerable visible plaque were associated with the presence of active caries lesions on the occlusal surfaces of first permanent molars.