[Experimental design of the lower jaw functional loading for implant-supported restoration in unfavorable clinical conditions].

The Aim Of The Study: Was to create a finite element design to evaluate the masticatory stress distribution on the full fixed prosthesis with three supporting implants and the mandibular bone in the conditions most closely resembling the real ones.

Materials And Methods: The geometric design was created with the results of a CBCT of a real patient. The transfer of the DICOM into STL format was carried out in the Mimics Medical 21 program, in which the author's splinting device for the implant was designed.

[Study of the effect of the occlusal surface of a natural tooth and fixed partial dentures supported by dental implants on the stress distribution by finite element analysis].

Objective: To study the effect of the occlusal surface of a natural tooth, cement-retained and screw-retained fixed partial dentures supported by dental implants and the coefficient of friction on the stress distribution in the peri-implant bone at maximum and minimum principal stresses.

Material And Methods: Study of maximum and minimum principal stresses in models with natural teeth and artificial crowns supported by dental implants, taking into account the coefficient of friction using the finite element analysis.

Results: In models represented by fixed partial dentures supported by dental implants and a natural tooth, the maximum tensile stresses arise in the cortical bone in the cervical region of the artificial crown, and the maximum compressive stresses occur both in the cortical layer in the cervical region of the artificial crown and in the cervical region of the tooth.

Factors associated with age of first sex among women screened for an observational contraceptive vaginal ring study in Kisumu, Kenya, 2014.

Sex at an early age can have later life negative health outcomes. Insights on early sexual activity may help in the development of future health-promotion products and interventions related to pregnancy and sexually transmitted infections (STIs) prevention. Among Kenyan women participating in a contraceptive vaginal ring study, we determined: (1) the proportion with first sex at ≤15 years (early sex) and (2) factors associated with early sex.

[Influence of morphological parameters of natural teeth and fixed partial dentures supported by dental implants on the time of occlusion].

Objective: To study the effect of morphological parameters of natural teeth and fixed partial dentures supported by dental implants on the time of occlusion.

Material And Methods: The study of the morphological parameters of the first right upper and lower molars of natural teeth and fixed partial dentures supported by dental implants in the positions of the first molars of the upper and lower jaws, followed by determination of the relationship between the obtained data and the occlusion time using mathematical and statistical analysis.

Results: The study of the morphology of the occlusal surface of natural teeth and fixed partial dentures supported by dental implants did not reveal significant differences in the results of measuring the distances between the cusps of the upper and lower first molars, both natural teeth and fixed partial dentures supported by dental implants.

[Development of an expert assessment of the quality of dental care].

The article proposes a methodology for creating an assessment of the quality of dental care based on the use of the method of analysis of hierarchies and the theory of fuzzy logic. Approbation of the methodology was carried out on the assessment of the quality of dental services for the manufacture of metal-ceramic crowns. When conducting a new assessment, you can achieve a reduction in the time of its conduct by 6 times, increasing the number of evaluation criteria by 2 times and get results with a confidence factor (=0.

[Comparison of the film thickness of composites of different degrees of viscosity].

The measurement of the film thickness of the composite cement Variolink Esthetic («Ivoclar-Vivadent», Liechtenstein) and the microhybrid composite Enamel («Micerium», Italy) was carried out according to ISO 4049: 2009 standards with a load force of 5 kg. While reducing the load force to 5 kg, all materials showed an increase in the film thickness; the film thickness of the Variolink Esthetic composite cement was changed from 23 microns (at 15 kg) to 32 microns (at 5 kg), and the film thickness of the microhybrid composite film Enamel was changed from 39 microns (at 15 kg) to 102 microns (at 5 kg). After preheating, the film thickness was changed from 23 microns (at 15 kg) to 44 microns (at 5 kg).

[The readiness of restorative dentistry departments for the implementation of modern technologies].

The study showed the presence of negative dynamics in the provision of population with orthopedic dentists and dental technicians, as well as a decrease in the staffing of medical organizations with these specialists. The fact of exceeding the basic rate of loss of dental technicians over the same indicator for dentists-orthopedists by 2 times was established. The possibility of increasing the availability of personnel by combining positions is revealed, since the coefficient of concurrency among dentists-orthopedists and dental technicians is less than the average for the specialty.

[Adhesion of microorganisms to various dental materials used to form a gum contour in implant-retained restorations].

The article the literature review on dental materials for the manufacture of gum formers used in dental implantology. Adhesion of microorganisms to titanium, PMMA and PEEK resins is discussed. According to published studies PEEK polymer is characterized by a similar bacterial contamination compared to titanium but shows lower degree of contamination when compared to acrylic resins in equal conditions.

[General strategy for the development of dental laboratories with CAD/CAM systems].

The need for the practice of dentistry in the digital (CAD/CAM) technologies have initiated the emergence of dental laboratories as a separate and independent legal entities. The choice of a strategy for the development of these laboratories is aimed at ensuring the achievement of the main goals in the long term. It is established that the type of innovation in terms of 'Shake test' J.

[Compensation of moral harm caused by poor quality of dental care].

The study presents a review of the legislative regulation of compensation for moral damage in case of poor medical dental care and judicial practice according to the types of civil cases for 25 years as well as the main tendencies of existing court dental practice and the long-term trends.

[Legislative regulatory framework for medical care quality and safety control].

The paper presents the analysis of legislative and regulatory framework for the control of the quality and safety of medical activities. Legislative and regulatory framework requires mandatory internal control of the quality and safety of medical activities and dictates its structure. In the development of the internal control of the quality and safety of medical activities there is, however, a need to consider medical and social, legal, organizational, ethical and economic issues.

[Regulatory framework of the new wage payment system in dentistry].

The paper presents the analysis of regulatory frameworks for wage payment system in federal, state and municipal dental clinics. The new wage payment system provided significant freedom for employers in payments size determination by regulation of basic, stimulating and compensative salary payoffs. The study highlights the need for scientific studies on dental care quality assessment criteria for wage payment system.

HIV Testing at Visits to Physicians' Offices in the U.S., 2009-2012.

Introduction: HIV testing serves as an entry point for HIV care services for those who test HIV positive, and prevention services for those who test HIV negative. The Centers for Disease Control and Prevention recommends routine testing of adults and adolescents in healthcare settings. To identify missed opportunities for HIV testing at U.

[Modern approaches to dental implants placement in deficient alveolar bone].

The paper presents statistical data on implant placement procedures in Central Research Institute of Dentistry and Maxillofacial Surgery (Moscow, Russia) in 2010-2015. In 64% of cases inadequate bone volume was attributed to alveolar bone atrophy. Bone deficiency was equally often in upper and lower jaws (in 49.

[Cephalometric estimation of vertical dimension of occlusion].

The aim of the present study was to develop algorithms for determination of vertical dimension of occlusion on the basis of methods of cephalometric fnalysis suggested by different authors. Proposed methods of cephalometric fnalysis allow to additionally evaluate markers for vertical dimension determination in dental reconstructive treatment.

[Implant-supported fixed cantilever prosthesis: the impact on bone stress deformity].

Jaw fragment with complete absence of 3 teeth in the chewing area was simulated with masticatory loads corresponding to different types of antagonists: full dentures, partial dentures, intact teeth, implant-refained restavations. Simulated consoled elements of different lengths and sizes of dental implants. The analysis of the stress-deformation state of the teeth construction in the ANSYS program.

Characteristics of women screened for a contraceptive intravaginal ring study in Kisumu, Kenya, 2014.

Background: HIV antiretroviral-based intravaginal rings with and without co-formulated contraception hold promise for increasing HIV prevention options for women. Acceptance of and ability to correctly and consistently use this technology may create challenges for future ring-based microbicide trials in settings where this technology has not been introduced. We examined baseline factors associated with enrolling in a contraceptive intravaginal ring study in Kisumu, Kenya and describe notional acceptability (willingness to switch to a contraceptive ring based solely on information received about it).

Health Care Use and HIV Testing of Males Aged 15-39 Years in Physicians' Offices - United States, 2009-2012.

In 2014, 81% of new human immunodeficiency virus (HIV) infection diagnoses in the United States were in males, with the highest number of cases among those aged 20-29 years. Racial and ethnic minorities continue to be disproportionately affected by HIV; there are 13 new diagnoses each year per 100,000 white males, 94 per 100,000 black males, and 42 per 100,000 Hispanic males (1). Despite the recommendation by CDC for HIV testing of adults and adolescents (2), in 2014, only 36% of U.