Patients with Vitamin D-resistant rickets have abnormal tooth morphology such as thin
globular dentin and enlarged pulp horns that extend into the dentino-enamel junction.
Invasion of the pulp by microorganisms and toxins is inevitable. The increased
fibrotic content of the pulp, together with a reduced number of odontoblasts,
decreases the response to pulp infection. The most important oral findings are
characterized by spontaneous gingival and dental abscesses occuring without history
of trauma or caries. Radiographic examinations revealed large pulp chambers, short
roots, poorly defined lamina dura and hypoplastic alveolar ridge. These dental
abscesses are common and therefore the extraction and pulpectomy are the treatment of
choice. The purpose of this article is to report a case of Vitamin D-resistant
rickets in a 5 year-old boy, describing the dental findings and the treatment to be
performed in these cases.
Epidermolysis bullosa comprises a group of uncommon skin-related diseases, characterized by the formation of blisters on mucocutaneous regions occurring spontaneously, following a trauma, exposure to heat, or as a result of minimal mechanical trauma. The dental treatment of the patient with epidermolysis bullosa raises many questions and discussions, due to the difficulty of carrying out the procedures. This report aimed to detail the clinical considerations of the treatment under general anesthesia of a patient with epidermolysis bullosa. The extraction of all deciduous teeth under general anesthesia was recommended based on the clinical and radiographic examinations. At 24-month follow-up, the patient had great improvement in oral hygiene without new caries lesions. The patient has been followed-up at every month for caries lesion prevention and permanent tooth development. The treatment under general anesthesia provided the ideal safe conditions and was beneficial for the patient.
Objective: To compare the retention and superficial characteristics between a new resin-modified glass ionomer sealant and resin sealant. In addition, the teeth sealed were compared to partially erupted first molars (control group) without sealing in relation to the incidence of dental caries. Material and Methods: Initially, 31 children aged 6-8 years participated in this study. The study children showed caries history, but had at least two healthy first molars. A total of 114 teeth were randomly divided into three groups: Clinpro (n=36), Fluroshield (n=38), and control (n=40). The two sealants were applied under relative isolation after previous prophylaxis and enamel etching with phosphoric acid 35% (15s). Clinical evaluation was performed by two calibrated examiners. They evaluated the retention and surface characteristics of the occlusal surface. Results: Fluroshield® showed significantly greater retention than ClinproTM Varnish® XT (p=0.002). However, the performance analysis of the success and failure of retention presented no significant difference between the materials (p=0.141). Concerning to the surface characteristics, Fluroshield performed better than Clinpro after analyzing the marginal deterioration, marginal discoloration, and superficial discoloration (p<0.05). The surface texture of the materials under study was similar (p=0.071). Sealed groups (Clinpro=Fluroshield) showed similar performance in the prevention of dental caries, which was significantly lower than that of control group (p=0.001). Conclusion: Both sealants, Fluroshield® and Clinpro TM Varnish® XT were effective in preventing caries lesion within 6 months, although Fluroshield sealant showed better clinical retention.
The aim of this study was to evaluate and compare for 24 months, the retention and surface characteristics of two pit-and-fissure sealants: Helioseal Clear and Helioseal F (Ivoclar Vivadent). The correlation between the different stages of eruption and sealant retention was also verified. Fifty children aged 6 to 8 years participated in the study, totalizing 153 teeth divided into two groups: HC (Helioseal Clear) and HF (Helioseal F). After 6, 12, 18 and 24 months, a clinical examination was performed by previously calibrated examiners. The surface characteristics and the retention of the sealants (modified RYGE & SNYDER criteria) were assessed. Analyzing the occlusal surface, HC exhibited a statistically significant higher retention at 12 (p=0.0345) and 24 months (p=0.0076). Concerning the surface characteristics, only the superficial discoloration of HC was smaller than HF, during the entire studied period. For all the other characteristics, the results of the Mann-Whitney test were highly significant at different periods (p=0.0000 to 0.0421). The frequency of air bubbles within the sealant surfaces, determined by Chi-square test, was significantly higher in HF (p=0.000:12 and 18 months to p=0.002: 6 and 24 months). HC sealant material exhibited the best performance regarding the retention and surface characteristics on the occlusal surface.
Mesiodens is the most frequent type of supernumerary tooth and may occur in several forms, causing different local disorders, such as impaction of the anterior permanent teeth. High-resolution three-dimensional (3D) images have improved the diagnosis and treatment plan of patients with impacted and supernumerary teeth. The purpose of this paper was to report a case of two mesiodens in monozygotic twin boys with appropriate 3D diagnostic and treatment plan.
ObjectiveTo determine the timing and sequence of eruption of primary teeth in children with
complete bilateral cleft lip and palate.Material and MethodsThis cross-sectional study was conducted at the Hospital for Rehabilitation of
Craniofacial Anomalies of the University of São Paulo, Bauru, SP, Brazil,
with a sample of 395 children (128 girls and 267 boys) aged 0 to 48 months, with
complete bilateral cleft lip and palateResultsChildren with complete bilateral clefts presented a higher mean age of eruption of
all primary teeth for both arches and both genders, compared to children without
clefts. This difference was statistically significant for all teeth, except for
the maxillary first molar. Mean age of eruption of most teeth was lower for girls
compared to boys. The greatest delay was found for the maxillary lateral incisor,
which was the eighth tooth of children with clefts of both genders. Analyzing by
gender, the maxillary lateral incisor was the eighth tooth to erupt in girls and
the last in boys.ConclusionThe results suggest an interference of the cleft on the timing and sequence of
eruption of primary teeth.
CBCT is an important auxiliary tool, aiding in both correct diagnosis and accurate treatment planning. It is currently a technology accessible to most paediatric dentists and should be beneficial considering the diagnostic information provided as well as the cost-benefit ratio for the patient.
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