A MODERN VIEW ON THE TREATMENT OF CLASS IV RECESSION ACCORDING TO MILLER.

Introduction: Interproximal attachment has received much attention in modern periodontology because it is a key diagnostic and prognostic factor. Currently, we can find many articles with results of bare root coverage, but few data and studies that describe root closure and obtaining interproximal attachment at the same time.

Objectives: The purpose of this study is to introduce a double-layer tunnel surgical technique for gingival papilla reconstruction and regeneration of the supraalveolar interproximal attachment.

PROSPECTS AND LONG-TERM RESULTS AFTER ENDODONTIC SURGERY.

Aim: to analyze the current literature data on the topic of prospects and distant results after endodontic surgery.

Material And Methods: A systematic review was conducted following the PRISMA 2020 guidelines. This review was written with the help of literature searches in the electronic databases Google Scholar and PubMed.

Comparative Analysis of 3D Cephalometry Provided with Artificial Intelligence and Manual Tracing.

Objectives: To compare 3D cephalometric analysis performed using AI with that conducted manually by a specialist orthodontist.

Methods: The CBCT scans (a field of view of 15 × 15 cm) used in the study were obtained from 30 consecutive patients, aged 18 to 50. The 3D cephalometric analysis was conducted using two methods.

СOMPARATIVE SPECTROPHOTOMETRY ANALYSIS OF ZIRCONIUM DIOXIDE WITH THE CUBIC AND TETRAGONAL PHASE AFTER ARTIFICIAL AGING.

Aim - to evaluate optical features of the 3, 4 and 5Y-TZP zirconium dioxide with the spectrophotometry analysis under artificial aging procedure. For all experiments, identical standardized specimens of different types of zirconia with a diameter of 10 mm and a height of 1 mm were used. These types included Katana (Kuraray Noritake Dental, Tokyo, Japan) HTML (control) UTML, STML and ZirCAD Prime (Ivoclar Vivadent).

EFFECT OF SURFACE TREATMENT PROTOCOLS OF ZIRCONIUM DIOXIDE MULTILAYER RESTORATIONS ON FUNCTIONAL PROPERTIES OF THE HUMAN ORAL MUCOSA STROMAL CELLS.

Aim - to study the effect of protocols of surface treatment of zirconium dioxide multilayer restorations on the functional properties of stromal cells of the human oral mucosa using molecular biological methods. For all experiments, identical standardized specimens of different types of zirconia with a diameter of 10 mm and a height of 1 mm were used. These types included Katana (Kuraray Noritake Dental, Tokyo, Japan) HTML (control) UTML, STML and ZirCAD Prime (Ivoclar Vivadent).

[Evaluation of the duration of fixation of adhesive products in the treatment of traumatic lesions of the oral mucosa].

Objective: The purpose of this study was to evaluate the duration of fixation of adhesive films in the treatment of traumatic lesions of the oral mucosa.

Material And Methods: The patients were divided into 2 groups. In the first group, the affected area was covered with an adhesive film with solcoseryl, in the second group with a film with vitamin E.

Irrigation in Endodontics: Polyhexanide Is a Promising Antibacterial Polymer in Root Canal Treatment.

Background: chronic apical periodontitis is a common pathology in dentistry, especially in endodontics. It is necessary to systematize data concerning commonly used irrigation solutions. The development of new protocols for endodontic treatment is a very promising direction.

Symptomatic Apical Periodontitis of the Mandibular First Molar with the Accessory Canal in the Furcation Area Mimicking Furcation Perforation.

Apical periodontitis frequently presents as a chronic disease. To arrive at a true diagnosis, in addition to the clinical examination, it is mandatory to undertake radiographic examinations and evaluate the clinical presentation. Knowledge of the root canal morphology is a prerequisite for effective nonsurgical endodontic treatment.

DETERMINATION OF CYCLIC FATIGUE OF A NICKEL-TITANIUM COXO SC PRO FILE USING A SIMULATION ENDODONTIC UNIT.

The use of nickel-titanium instruments during endodontic treatment ensures high-quality treatment of root canals. However, during instrumentation in the curved root canals of nickel-titanium instruments experience cyclic loading, which leads to their breakage. The splinter of the tool in the root canal makes it difficult for high-quality processing and obturation of the root canal, which is a very urgent problem.

THE INFLUENCE OF FINISHING PROCESSING FEATURES ON THE POLYMERIZED COMPOSITE SURFACE STRUCTURE.

The purpose of this work is to assess the influence, feasibility and effectiveness of glycerin as one of the means that prevent the formation of an oxygen-inhibited layer, to search for the most effective polymerization protocol for the final portion of the composite materialThe prepared carious cavities of the first class were sealed with a composite, then the samples were degreased and dried. Since the dental material is a dielectric material and is highly susceptible to charging under the influence of an electron beam, it was decided to apply a thin (30 nm) layer of platinum to the surface of the objects under study.Studies of the surface of the teeth and the applied composite were carried out using a scanning electron microscope (SEM) Tescan Vega 3 SBH.

TREATMENT OF CHRONIC APICAL PERIODONTITIS: IN A SINGLE OR MULTIPLE VISITS? (REVIEW).

The article describes the effectiveness of the treatment of chronic apical periodontitis in one visit compared to multiple visits. A systematic review of the literature was conducted analyzing articles published on PubMed, Google scholar, ResearchGate and ScienceDirect between 2011 and 2021, treatment effectiveness was the selected outcome variable. A total of 21 articles were selected, 9 of which were selected for detailed review.

Laboratory Rational of Changes in the Crystal Lattice of Nickel-Titanium Endodontic Rotary Files in Autoclaving.

Objectives: The aim of this study was to investigate the changes of the crystal lattice of NiTi instruments after repeated autoclave sterilization cycles based on the results to conclude about the influence of multiple sterilization on the characteristics of ProTaper clinical use.

Methods: 21 samples of ProTaper Universal rotary files were divided into 3 groups of 7 samples. After 1, 4, and 7 cycles of sterilization, the samples were observed using еnergy-dispersive X-ray spectroscopy (EDX), X-ray powder diffraction (XRD), and scanning electron microscopy (SEM).

Immunohistochemical study of Ki-67, PHH3, and CK15 protein expression in oral epithelial malignancy.

Objective: To investigate the expression of Ki-67, phosphohistone H-3 (PHH3), and cytokeratin 15 (CK15) proteins in the cells of the oral mucosa (OM) according to the degree of its malignant transformation.

Material And Methods: OM biopsy specimens from 69 patients diagnosed with focal epithelial hyperplasia, intraepithelial squamous cell neoplasia, cancer in situ, and squamous cell carcinoma were examined. Tissue antigens were determined using mouse Ki-67 monoclonal antibodies, rabbit PHH3 polyclonal antibodies, and mouse CK15 monoclonal antibodies.

Second Mesiobuccal Canal Evaluation Features with Cone-Beam Computed Tomography.

Aim: The aim of the study is to evaluate the difference in MB2 prevalence with different slice thicknesses in maxillary first molars.

Materials And Methods: Two hundred nonfilled MB2 canals in maxillary first molars of 156 people (75 females and 81 males) aged from 20 to 73 years old were evaluated with CBCT with different slice thicknesses: 0.5 mm, 1 mm, 3 mm, and 10 mm.