Management of open apices in thirteen traumatized permanent incisors using mineral trioxide aggregate: Case series

AimThe partial pulpotomy can offer a successful outcome for the treatment of traumatic complicated crown fractures. The aim of this clinical report was to evaluate the effect of mineral trioxide aggregate (MTA) in apexogenesis of traumatized immature permanent incisors with pulp exposure.Case reportAccording to clinical and radiological examinations complicated crown fractures and open apices were identified in 13 permanent upper incisors in ten patients (age range 7–10 years). Partial pulpotomy procedures were performed and the teeth were treated with MTA. In this report, periodic clinical and radiological follow-ups were performed. At recall examinations, all teeth were asymptomatic, and clinical and radiological investigations revealed excellent healing patterns with continued apexogenesis.ConclusionRegular examination of immature traumatized permanent teeth is critical for vitality and apexification. In this report, clinical and radiological findings confirm that partial pulpotomy with MTA is a reliable and effective treatment approach in apexogenesis of traumatized immature permanent incisors with pulp exposure.     

Lymphocyte and monocyte vitamin D receptor expression during paricalcitol or calcitriol treatments in patients with stage 5 chronic kidney disease

International Urology and Nephrology - In this study, we aimed to investigate the effect of paricalcitol and calcitriol usage on vitamin D receptor (VDR) contents of CD8+?,...     

A Systematic Characterization Approach for Vacuum Bag Only Prepregs towards an Accurate Process Design

Aerospace-grade composite parts can be manufactured using Vacuum Bag Only prepregs through an accurate process design. Quality in the desired part can be realized by following process modeling, process optimization, and validation, which strongly depend on a primary and systematic material characterization methodology of the prepreg system and material constitutive behavior. The present study introduces a systematic characterization approach of a Vacuum Bag Only prepreg by covering the relevant material properties in an integrated manner with the process mechanisms of fluid flow, consolidation, and heat transfer. The characterization recipe is practiced under the categories of (i) resin system, (ii) fiber architecture, and (iii) thermal behavior. First, empirical models are successively developed for the cure-kinetics, glass transition temperature, and viscosity for the resin system. Then, the fiber architecture of the uncured prepreg system is identified with X-ray tomography to obtain the air permeability. Finally, the thermal characteristics of the prepreg and its constituents are experimentally characterized by adopting a novel specimen preparation technique for the specific heat capacity and thermal conductivity. Thus, this systematic approach is designed to provide the material data to process modeling with the motivation of a robust and integrated Vacuum Bag Only process design.     

Comparison of the Clinical and Anthropometric Features of Treated and Untreated Girls with Borderline Early Puberty

Study ObjectiveRisks associated with precocious puberty might be observed in the rapidly progressive form of borderline early puberty (BEP). Differentiating the rate of progression is important for deciding treatment with gonadotropin-releasing hormone analogue (GnRHa). The aim was to examine the treatment characteristics and effect of treatment on predicted adult height (PAH).DesignRetrospective observational study.SettingSingle-center, a pediatric endocrinology unit.ParticipantsA total of 135 girls, pubertal findings starting between 7-10 years of age.InterventionsData were collected via chart review. Patient groups were defined as treated with GnRHa (n = 63) or untreated (n = 72) girls.Main Outcome MeasuresReferral characteristics and anthropometric and pubertal findings of the patients with BEP, effect of treatment on PAH, and final height of the groups were compared.ResultsThe mean (±SD) age of the patients at admission and for the first appearence of pubertal findings was 8.8 ± 1.0 and 8.0 ± 0.8 years, respectively. Target height and PAH-target height values at admission were similar. At initiation of treatment, PAH of the treated girls (157.8 ± 7.2 cm) were significantly lower compared with untreated girls (160.7 ± 6.5 cm). The age at menarche of patients in the treated and untreated groups were 12.3 ± 1.0 and 11.3 ± 1.1 years, respectively. The final height of the groups were similar (157.1 ± 6.6 vs 157.0 ± 5.9 cm; P = .922) despite a lower PAH of the treated group.ConclusionGnRHa treatment resulted in an increase in PAH and normalized the age of menarche in patients with BEP. In selected girls with rapidly progressive BEP, GnRHa treatment may be considered.     

A rare cause of deep peroneal nerve palsy due to compression of synovial cyst – Case report

INTRODUCTIONSynovial cyst is a rare cause of compression neuropathy and its differential diagnosis can be misleading.PRESENTATION OF CASEThis article presents clinical, radiological, and histological findings of deep peroneal nerve palsy due to compression of a synovial cyst in a 30-year-old patient admitted with sudden drop foot.DISCUSSIONFocal nerve entrapment in lower extremity due to synovial cystis a rare entity. Differential diagnosis is important. Surgical excision is the main treatment method with high success rate.CONCLUSIONSynovial cyst compression which can be treated easily with surgical excision should be considered in rapidly progressed drop foot.     

Polyostotic monosystemic calvarial and spinal langerhans' cell histiocytosis treated by surgery and chemotherapy

There are several treatment modalities for Langerhans' cell histiocytosis (LCH) of bone, formerly usually referred to as eosinophilic granuloma, including surgery, radiotherapy and chemotherapy. In spinal lesions, surgery is not recommended generally, because of the potential for reconstitution of vertebral height. We report a case of multifocal monosystemic LCH treated by surgery and chemotherapy for calvarial and spinal lesions. A 7-year-old boy was initially operated for an occipital monostotic LCH of bone. Then, he was treated by surgery for cervical and thoracic lesions, and by chemotherapy with vinblastine. The patient had no complaints at the 24-month follow-up. Although surgery is not recommended for spinal lesions in children with LCH of bone, short segmental fusion and internal fixation may be a suitable choice for selected cases, especially in children who are not likely to comply with activity restrictions and in those who it is difficult to follow up. The treatment must be planned according to the characteristics of the patient.