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More studies are required with adequate quality, as well as a full-result report, including summary measurements of both response variables and effect size, to determine the most effective irrigant agents for use in pulpectomies.

According to the World Health Organization, child abuse and neglect is “every kind of physical, sexual, emotional abuse, neglect or negligent treatment, commercial or other exploitation resulting in actual or potential harm to the child’s health, survival, development or dignity in the context of a relationship of responsibility, trust or power”. The aim of the present report is to inform about the most relevant aspects of child abuse and the characteristics of injuries to the head, neck, and orofacial regions, in addition to the suggested role of, and management by, the dentist for the evaluation of this condition, and also for reporting a case of a physically and sexually abused girl aged 5 years 8 months. Throughout the appointments, some type of abuse in this patient was suspected by the treating dentists at the clinic, mainly due to the initial behavior exhibited by the patient in the dental chair. Based on the clinical diagnostic an intensive preventive plan and restorative treatment was realized. The timely detection of the signs and symptoms of sexual abuse, often present in the orofacial region, place the pediatric dentist in a strategic situation, with the capacity to recognize, register, and later report those cases considered as suspect, including the dental treatment delivered and the intensive behavioral-psychological management, in order to achieve acceptation by the otherwise very anxious patient of the indicated restorative and preventive dental procedures. Key words:Child abuse, dentistry, behavior management.

BackgroundCongenital Heart Diseases (CHD) involves a wide range of pathological conditions, such as Pulmonary Atresia with Ventricle Septal Defect (PA/VSD). This disorder leads to the systemic circulation of oxygen-poor blood (cyanosis), with associated features and consequences in the oral cavity.Material and MethodsUsing scoping review methodology for screening and article selection, the primary objectives of this paper were as follows: first, to pose a research question; second, to identify relevant studies in order to answer the research question; third, to select and retrieve the studies; fourth, to chart the critical data, and finally, to collate, summarize, and report the results from the most important articles on the dental management of children affected with PA/VSD. Relevant articles (Randomized Controlled Trials [RCT], reviews, observational studies, and clinical case reports) published over a 10-year period were identified and retrieved from four Internet databases: PubMed; Embase/Ovid; Cochrane Library, and Google Scholar.ResultsBy title and abstract screening and after removing duplicates, 24 articles were finally included in the present scoping review. According to the extracted data, the following are the most important clinical issues to be considered when treating children with PA/VSD in the dental setting: prevalence of dental caries; prevention of dental disease (oral hygiene and diet); bacteremia and infective endocarditis risk, and child behavior control and treatment under general anesthesia.ConclusionsPediatric Dentists should bear in mind that early diagnosis and treatment, together a long-term follow-up of children with PA/VSD, continue to be the best approaches for achieving enhanced patient psychological well-being and, in consequence, their good quality of life. Key words:Pulmonary atresia, congenital heart diseases, ventricle septal defect, scoping review, dental management.

Williams-Beuren syndrome is a rare congenital disorder involving the cardiovascular system, mental retardation, distinctive facial features, and tooth anomalies. The aim of the present report is to show a 10-year-old girl with Williams-Beuren syndrome, her general and orofacial clinical characteristics and the dental management.

The objective of this study was to identify cultivable microorganisms from primary teeth with necrotic pulps. This experimental study included 21 patients of both sexes between 4 and 7 years of age with necrotic pulps in primary teeth. Twenty-one maxillary and mandibular molars containing at least 1 necrotic canal, an abscess or sinus tract, one or more radiolucent areas in the furcation or periapical region, teeth having at least two thirds of root length, and carious lesions directly exposed to the oral environment were included. After antisepsis of the oral cavity, anesthesia of the affected tooth, and isolation and disinfection of the operative field, 3 sterile absorbent paper points were sequentially placed for 30 seconds for the collection of samples. The samples were immediately processed in an anaerobic chamber, and all isolated microorganisms were identified. Anaerobic species (anaerobic facultative and moderate anaerobes) were isolated in all root canals; 68.4% of root canal samples studied showed a polymicrobial nature. Most of the isolate consisted of Bifidobacterium Spp2 and Streptococcus intermedius. Other less frequently encountered species were Actinomyces israelii, Bifidobacterium spp 1, Clostridium spp, and Candida albicans. Results indicate the existence of combinations of bacterial species in root canal infections of the primary dentition with necrotic pulps, anaerobic bacteria predominating.

Dentinogenesis Imperfecta type II (DI2), also known as hereditary opalescent dentin, is one of the most common genetic disorders affecting the structure of dentin, not related with osteogenesis imperfecta, which involves both primary and permanent dentitions. The purpose of this article is to perform a scoping review of the published peer-reviewed literature (1986–2017) on DI2 management in children and to outline the most relevant clinical findings extracted from this review. Forty four articles were included in the present scoping review. According to the extracted data, the following are the most important tasks to be performed in clinical pediatric dentistry: to re-establish the oral mastication, esthetics, and speech, and the development of vertical growth of alveolar bone and facial muscles; to reduce the tendency to develop caries, periapical lesions and pain; to preserve vitality, form, and size of the dentition; to avoid interfering with the eruption process of permanent teeth; to decrease the risk of tooth fractures and occlusion disturbances; to return the facial profile to a more normal appearance; and to prevent or treat possible temporomandibular joint problems. Therefore, Pediatric Dentists should bear in mind that early diagnosis and treatment, together a long-term follow-up of DI2 in children, continue to be the best approaches for achieving enhanced patient psychological well-being and, in consequence, their quality of life.

In order to include appropriate informed decisions on dental therapeutic or preventive procedures in children, Pediatric Dentists should apply the fundamentals of “Evidence-Based Dentistry” (EBD). This oral health approach assists clinicians in understanding and applying the most relevant research published on evidence in the clinical setting when treating their patients. One of the crucial steps of EBD is to critically appraise and use the primary articles about therapy or prevention, namely, Randomized Clinical Trials (RCT), the study design that best addresses the questions related with these clinical areas. The aim of the present paper was to provide the basic concepts and an example of how to critically read and understand articles on RCT studies in Pediatric Dentistry employing the CONSORT statement, a process that involves assessing the reliability of results, risk of bias (internal validity), and applicability of reported clinical findings (external validity).