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Dental Health

Local immunomodulatory effects of intracanal medications in apical periodontitis.

Jan 17, 2022

The immune system is an extremely complex biological network that plays a crucial role in the hemostasis of periapical tissue, pathogenesis of apical periodontitis (AP) as well as periapical tissue he...

Impact of sodium hypochlorite on organic tissue dissolution in the periapical region of immature permanent teeth: an ex vivo study.

Jan 17, 2022

To evaluate the impact of different sodium hypochlorite irrigation protocols on organic tissue dissolution in the periapical region of simulated immature permanent teeth.Eight single-rooted premolars ...

Effects of balance exercises during daily tooth brushing on balance performance in healthy children.

Jan 10, 2022

It has been shown that supervised balance training is effective in improving balance performance in children but relatively costly in terms of personnel, materials, and time. Integrating balance exerc...

Further analyses of the structural organization of Homo luzonensis teeth: Evolutionary implications.

Jan 10, 2022

The species Homo luzonensis has recently been described based on a set of dental and postcranial elements found at Callao Cave (Northern Luzon, Philippines) and dated to at least 50-67 ka. Seven postc...

Detailed three-dimensional orthodontic tooth repositioning to improve restorative outcome.

Jan 03, 2022

The case describes the interdisciplinary treatment of a 23-year-old woman with a Class III malocclusion, missing an upper right lateral incisor, abrasion of the maxillary incisal edges, anterior gingi...

Association between patient-, tooth- and treatment-level factors and root canal treatment failure: A retrospective longitudinal and machine learning study.

Dec 27, 2021

We aimed to assess patient-, tooth- and treatment-level covariates on the failure of root canal treatments (RT) and to predict failure using machine learning (ML).Teeth receiving RT at one large unive...

Detailed comparison of anatomy and airflow dynamics in human and cynomolgus monkey nasal cavity.

Dec 27, 2021

Nonhuman primates are occasionally used as laboratory models for sophisticated medical research as they bear the closest resemblance to humans in morphometry and physiological functions. A range of no...

[Development of a deep learning based prototype artificial intelligence system for the detection of dental caries in children].

Dec 20, 2021

To develop a prototype artificial intelligence image recognition system for detecting dental caries, especially those without cavities, in children. Seven hundred and twelve intraoral photos, which ...

[Microscopic observation of the enamel microstructures of SD rats with different degrees of fluorosis].

Dec 20, 2021

To establish a dental fluorosis model of SD rats with various degrees, to observe the microstructures of enamel samples under scanning electron microscope and to clarify the changes of enamel microst...

Zhoukoudian Upper Cave personal ornaments and ochre: Rediscovery and reevaluation.

Nov 29, 2021

Personal ornaments have become a key cultural proxy to investigate cognitive evolution, modern human dispersal, and population dynamics. Here, we reassess personal ornaments found at Zhoukoudian Upper...

Comparison of time-to-event machine learning models in predicting oral cavity cancer prognosis.

Nov 22, 2021

Applying machine learning to predicting oral cavity cancer prognosis is important in selecting candidates for aggressive treatment following diagnosis. However, models proposed so far have only consid...

Dictating catalytic performance of platinum-iron nanoparticle by regulating its heterogeneous interface and stability.

Nov 08, 2021

Innovative design of nanocatalyst with high activity remains to be great challenge. Platinum (Pt) nanoparticle has already demonstrated to be excellent candidates in the field of catalysis. However, t...

Comparative dental study between Homo antecessor and Chinese Homo erectus: Nonmetric features and geometric morphometrics.

Nov 08, 2021

The Chinese Middle Pleistocene fossils from Hexian, Xichuan, Yiyuan, and Zhoukoudian have been generally classified as Homo erectus s.s. These hominins share some primitive features with other Homo sp...

The effect of dental restoration geometry and material properties on biomechanical behaviour of a treated molar tooth: A 3D finite element analysis.

Oct 25, 2021

To test the hypothesis that restoration of class II mesio-occlusal-distal (MOD) cavities can be strengthened through judicious choice of restoration geometry and material properties.An intact extracte...

Cutting mechanism of straight-tooth milling process of titanium alloy TC21 based on simulation and experiment.

Oct 18, 2021

Due to the characteristics of high strength, high chemical activity and low heat conduction, titanium alloy materials are generally difficult to machine. As a typical titanium alloy with higher streng...

Effects of an elemental diet to reduce adverse events in patients with esophageal cancer receiving docetaxel/cisplatin/5-fluorouracil: a phase III randomized controlled trial-EPOC 2 (JFMC49-1601-C5).

Oct 11, 2021

Oral mucositis (OM) is an unpleasant adverse event in patients receiving chemotherapy. A prospective feasibility study showed that elemental diet (ED), an oral supplement that does not require digesti...

Halloysite nanotubes as nanoreactors for heterogeneous micellar catalysis.

Oct 11, 2021

Electrostatic attractions between the anionic head group of sodium alkylsulphates and the positively charged inner surface of halloysite nanotubes (HNTs) drive to the formation of tubular inorganic mi...

Biomechanical behavior of endodontically treated premolar teeth restored with novel endocrown system: 3D Finite Element and Weibull analyses.

Oct 04, 2021

To date, there is no clear consensus in the literature which endocrown design with which material is the most effective treatment option to restore endodontically treated maxillary premolars with exte...

On the behaviour of zirconia-based dental materials: A review.

Oct 04, 2021

Zirconia-based dental materials are extensively used in clinical practice due to their tooth-like appearance, biofunctionality, biocompatibility, and affordability. However, premature clinical failure...

Identification of a Slovenian prewar elite couple killed in the Second World War.

Sep 20, 2021

Genetic identification of a Slovenian prewar elite couple killed in 1944 was performed by typing autosomal and Y-chromosomal STRs, and phenotypic HIrisPlex SNPs for hair and eye color prediction were ...