Dentistry Research

01:34 EDT 25th March 2018 | BioPortfolio

Nanoscale mapping and control of antenna-coupling strength for bright single photon sources.

Cavity QED is the art of enhancing light-matter interaction of photon emitters in cavities, with opportunities for sensing, quantum information and energy capture technologies. To boost emitter-cavity interaction, i.e. coupling strength , ultrahigh quality cavities have been concocted yielding photon trapping times of µs to ms. However, such high-Q cavities give poor photon output, hindering appl...

Novel oral anticoagulants in chronic kidney disease: ready for prime time?

Patients with chronic kidney disease (CKD) are at increased risk of atrial fibrillation, stroke, and bleeding posing unique clinical challenges. Novel oral anticoagulants (NOACs) including dabigatran, rivaroxaban, and apixaban have become recognized as alternative therapy to Vitamin K Antagonists (VKA) regarding the prevention of venous thromboembolism (VTE) and reduce the risk of stroke in atrial...

Accessory Submandibular Salivary Gland Forming a "Horseshoe" With the Main Submandibular Salivary Gland: A Unique Variation.

Presence of accessory submandibular salivary gland (ASSG) is an extremely rare variation. Knowledge of its relations could be very useful to oral and maxillofacial surgeons, head and neck surgeons, and radiologists. During dissection classes, an ASSG was noted between the mylohyoid and hyoglossus muscles. The main submandibular salivary gland had superficial and deep parts. The deep part was narro...

The "Flap Suture Anchoring" Technique for Safe Oral Floor Reconstruction With Preservation of Alveolar Process.

Flaps-based microsurgery is routinely applied to reconstruct oral floor defects caused by oncologic resection. To prevent orocutaneous fistulae, flaps are frequently sutured with buccal vestibule mucosa after sacrificing the alveolar process. The patients suffered denture loss and irreversible structural damage. For reliable oral floor reconstruction with preservation of alveolar process, the auth...

Antibiotic resistance in severe odontogenic infections of the South Australian population - a 9-year retrospective audit.

The aims of this study were to evaluate the microbiological trends in severe odontogenic infections requiring hospital admission in the South Australian Oral and Maxillofacial Surgery Unit. Rates of antibiotic resistance to empirical antibiotic regimens were determined to quantify the clinical implications of antibiotic resistant odontogenic infections.

Oral lorazepam can be substituted for intravenous midazolam when weaning paediatric intensive care patients off sedation.

Intravenous sedatives used in the paediatric intensive care unit (PICU) need to be tapered after prolonged use to prevent iatrogenic withdrawal syndrome (IWS). We evaluated the occurrence of IWS and the levels of sedation before and after conversion from intravenous midazolam to oral lorazepam.

Development & validation of oral health related quality of life measure in oral submucous fibrosis.

The aim of this study was to develop and assess the validity and reliability of disease-specific oral health related quality of life (OHRQoL) instrument for oral submucous fibrosis (OSF).

Randomized pilot study on probiotic effects on recurrent candidiasis in oral lichen planus patients.

Some patients with oral lichen planus (OLP) experience recurrent oral candidiasis(OC). Probiotic bacteria have shown to reduce the oral Candida count in vivo.

Antigen I/II mediates interactions between Streptococcus mutans and Candida albicans.

Streptococcus mutans and Candida albicans are frequently co-isolated from dental plaque of children with early childhood caries (ECC), and only rarely found in non-ECC children, suggesting that these species interact in a manner that contribute to the pathogenesis of ECC. Previous studies have demonstrated that glucans produced by S. mutans are crucial for promoting biofilm formation and cariogeni...

Experimental study on oral sulfhydryl as an adjuvant for improving nitrate ester tolerance in an animal model.

As an initial step in exploring the feasibility of oral sulfhydryl as an adjuvant for improving nitrate ester tolerance, this study was designed to experimentally test the adjuvant therapy in a rabbit model of atherosclerosis (AS).

Label-free, Direct Measurement of Protein Concentrations in Turbid Solutions with a UV-Vis Integrating Cavity Absorbance Spectrometer.

Protein-particle conjugates and mixtures have been investigated extensively for their diverse applications in biotechnology. However, general methods to measure protein concentration of protein-particle solutions are lacking. Typically, proteins in turbid solutions require separation or staining with another chromophore to quantitate their concentration. Here we demonstrate a direct, label-free ap...

Oral Health Promotion and Smoking Cessation Program Delivered via Tobacco Quitlines: The Oral Health 4 Life Trial.

To assess the effects of a novel oral health promotion program (Oral Health 4 Life; OH4L) delivered through state-funded tobacco quitlines.

Mesenchymal Stem Cells of Dental Origin for Inducing Tissue Regeneration in Periodontitis: A Mini-Review.

Periodontitis is a chronic disease that begins with a period of inflammation of the supporting tissues of the teeth table and then progresses, destroying the tissues until loss of the teeth occurs. The restoration of the damaged dental support apparatus is an extremely complex process due to the regeneration of the cementum, the periodontal ligament, and the alveolar bone. Conventional treatment r...

Competency model for dentists in China: Results of a Delphi study.

With the increasing awareness of the importance of oral health, patients have an increasing need for integrated care from dentists. In China, the dentistry examination consists of two parts: a practical skills examination and a comprehensive medical examination; to date, no assessment methods that are based on specialized dentistry competencies, unlike the United States, Canada, and other countrie...

Wnt-Responsive Odontoblasts Secrete New Dentin after Superficial Tooth Injury.

The objective of our experiments was to identify new therapeutic strategies to stimulate dentin formation in an adult tooth. To address this objective, we evaluated dentin production in 2 acute trauma models: one involving a pulp exposure and the other involving a superficial dentin injury. Molecular, cellular, and histologic analyses revealed that in response to a severe injury, where the pulp is...

Dental size variability in Central African Pygmy hunter-gatherers and Bantu-speaking farmers.

Odontometric studies of African populations show high within-group variation in tooth size. Overall, North Africans exhibit smaller dimensions than groups from eastern and southern sub-Saharan regions, but no previous studies have analyzed the full dental metrics among extant African Pygmy hunter-gatherers and Bantu-speaking farmers. Furthermore, the population variability in tooth crown sizes fro...

Polymorphism of regulatory region of GHRL gene (-2531C>T) as a promising predictive factor for radiotherapy-induced oral mucositis in patients with head neck cancer.

The purpose of this study was to investigate the relationship between single nucleotide polymorphisms (SNP; rs1629816) in the regulatory region (c.-2531C>T) of the ghrelin (GHRL) gene and the occurrence and severity of oral mucositis caused by radiotherapy (RT) in patients with head and neck cancer.

Dental implications in Hajdu-Cheney syndrome: A novel case report and review of the literature.

To identify the molecular genetic etiology of an individual with a dysmorphic face, unusual teeth mobility and root resorption.

Submental Intubation: an Underutilized Technique for Airway Management in Patients With Panfacial Trauma.

To evaluate submental intubation compared with secure airways of patients who have sustained significant maxillofacial trauma.

Multi-Faceted Contributions to Our Continuing Education.

Collaborative treatment for a case of condylar hyperplastic facial asymmetry.

Facial asymmetry can be caused by unilateral condylar hyperplasia. In such cases, it may be difficult to achieve symmetry since there is dentoalveolar compensation on the affected side, and the occlusal cant does not correspond to the frontal mandibular deviation. In the case presented, surgical orthodontic treatment and orthognathic surgery planning was accomplished for a patient with facial asym...

Tooth and bone changes after initial anterior dental alignment using preformed vs customized nickel titanium archwires in adults: A randomized clinical trial.

To compare tooth movement achieved, time required for alignment, root resorption, and alveolar bone thickness changes during initial dental alignment between groups treated with 0.012-inch preformed heat-activated or customized nickel titanium (NiTi) archwires.

Mechanical properties of orthodontic wires covered with a polyether ether ketone tube.

To evaluate the esthetics and frictional force of an orthodontic wire passed through a newly designed tube made of a polyether ether ketone (PEEK) resin.

Quantitative and perceived visual changes of the nasolabial fold following orthodontic retraction of lip protrusion.

The objectives of this study were to evaluate the quantitative and perceived visual changes of the nasolabial fold (NLF) after maximum retraction in adults and to determine its contributing factors.

Parental Attitude Toward the Prenatal Diagnosis of Oral Cleft: A Prospective Cohort Study.

The prenatal diagnosis of oral clefts (OCs) by ultrasound can pose an ethical dilemma. The purpose of this study was to obtain insight into the psychosocial and moral considerations of prospective parents concerning OCs, the burden of OCs and parents' attitude toward possible termination of pregnancy (TOP) in order to improve counseling in the future.

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