SPONSORS OF THE POSTER PRESENTATION AWARD
Poster Title: Preparation of Dentin Surface with Erbium Laser
Poster Presenter: Dr. Yuliya Kozlova
Abstract: In modern minimally invasive dentistry, the question of adhesion of filling material to the hard tissue of the tooth is relevant. According to the World Health Organization, caries remains the main oral health disease. In the near future, the issue of increasing the longevity of restorations will become more significant as life expectancy continues to rise. Secondary caries and postoperative hypersensitivity remain as complications after composite fillings. Dr Yuliya will present the results of an in vitro study comparing microleakage between the dentin surface and bonding, after etching the dentin with orthophosphoric acid and Er,Cr:YSGG laser, using different generations of adhesive systems.
Poster Title: A comparison of CAD/CAM-based fixed retainers versus conventional fixed retainers in orthodontic patients: A systematic review
Poster Presenter: Dr. Erfan Bardideh
Abstract: The poster focuses on comparing CAD/CAM fixed retainers and conventional fixed retainers in orthodontic patients through a systematic review and meta-analysis. The objective was to assess their effectiveness by analyzing tooth stability, periodontal status, failure rates, and patient-reported outcomes. The review included seven randomized controlled trials with 601 participants. In the short term (≤6 months), no significant differences were found in intercanine distance or arch length between CAD/CAM and conventional fixed retainers in mandibular retainers. However, CAD/CAM retainers showed a slight advantage with a smaller change in Little's Irregularity Index (LII) compared to conventional retainers. CAD/CAM retainers also exhibited a lower plaque index but no significant difference in gingival index. Failure rates were similar, except for one study with a high number of CAD/CAM retainer failures. Overall, CAD/CAM fixed retainers were considered a viable alternative to conventional retainers, particularly in the mandible, but more research is needed to determine their long-term stability and effectiveness, especially in the maxillary arch.
Poster Title: Digital nanoDentistry: Past, Present, and Future, with a Focus on Nano-Scaled BioTechnology for Oro-Dental and Cranio-Maxillo-Facial Functional Aesthetics
Poster Presenter: Prof. Ziyad S. Haidar
Abstract: This poster explores the evolution of digital dentistry, focusing on advancements in imaging, CAD/CAM, 3D printing, and regenerative dentistry, among others. It discusses the current and future applications of digital dentistry, such as AI, AR, and teledentistry, with an emphasis on nano-scaled biotechnology for oro-dental and cranio-maxillo-facial functional aesthetics. The potential benefits and challenges associated with these applications are also examined, including their impact on patient privacy, dental education, and the overall practice of dentistry and oral surgery.
Poster Title: Understanding student perception of online tooth morphology teaching
Poster Presenter: Dr. Susha Rajadurai
Abstract: The onset of the COVID-19 pandemic and enforced national lockdowns in the United Kingdom resulted in a suspension of face-to-face lessons in dental schools. This mandated staff to creatively employ distance learning techniques to contemporize how subjects are taught in dental schools. One such subject is tooth morphology (dental anatomy), a crucial and challenging foundational subject of the dental sciences. Following the return to campus, tooth morphology foundational theory remained as synchronous online learning (SOL) , while consecutive practical learning activities resumed on campus, in-person laboratory sessions. When reflecting upon these innovative efforts, an important question arose on learning gains and effectiveness of learning tooth morphology on an online platform. This study aimed to assess staff and students lived experience and perceptions towards novel educational techniques that combined conventional with novel digital resources and modelling techniques when teaching and learning tooth morphology online.
Poster Title: Accuracy of immediately placed implants using 3D-printed surgical guides from different manufacturers
Poster Presenter: Jeremy Pitman
Abstract: Achieving an optimal 3D position for immediate implant placement is technically challenging given the limited apical and palatal bone volume available after tooth extraction (Christiaens et al., 2020). Additionally, immediate implants should ideally be placed without flap elevation (Pitman et al., 2023), which hampers visual control. The use of 3D-printed surgical guides may facilitate more accurate and predictable implant positioning. The increasing affordability of 3D printers has led to in-house fabricated guides instead of outsourcing to a dental lab or an implant company. Yet there is currently no literature comparing the accuracy of in-house fabricated guides to those from a lab or a company.
Poster Title: Sealing high caries risk permanent molars
Poster Presenter: Dr. Alaa Mohammad Baik
Abstract: To evaluate the effectiveness of Vanish™ XT” varnish in the prevention of occlusal caries and compare it to a ‟Vanish™” white varnish in partially erupted first permanent molars.
Poster Title: Fracture strength of anterior cantilever resin bonded bridges fabricated from high translucency zirconia with different Intaglio surface treatments: an In-vitro study.
Poster Presenter: Prof. Ahed Al-Wahadni
Abstract: To compare the fracture resistance and failure modes of anterior cantilever resin-bonded fixed partial dentures (RBFPDs) fabricated from high translucency zirconia with different intaglio surface treatments.
Poster Title: Effect of in vitro aging on the marginal adaptability of dental ceramic restorations
Poster Presenter: Dr. Roxana Diana Vasiliu
Abstract: The aim of the present study was to investigate the effect of in vitro aging on the marginal adaptability of intracoronary dental restorations. Materials and methods: Eight dental restorations from two heat-pressed ceramics (Vita PM9, Zahnfabrick, Germany, and IPS empress (Ivoclar, Germany). The dental restorations were obtained after heat-pressing ingots. In vitro thermal aging was performed with distilled water baths at 5 and 55 degrees. The marginal adaptability was tested before with the replica technique and after by cutting the samples. Results: Different changes were seen before and after thermal aging for both ceramics, especially for the Vita PM9 samples.
Poster Title: Esthetic management of missing central Incisor
Poster Presenter: Dr. Fawaz Mohammed Sait, Dr. Sohair M Mandoura, Dr. Khalid A Noorwali & Dr. Riyadh S Alzahrani
Abstract: The loss of maxillary central incisors at an early age has psychological, esthetic, and functional implications. Multiple treatment options are available for replacing missing central incisors. The management demands a multidisciplinary approach involving the orthodontist, Restorative, and periodontist. Treatment planning requires consideration of a variety of clinical and nonclinical factors. This clinical report attempts to demonstrate strategies for the management of unilateral missing central incisor.
Poster Title: Effect of water sorption on the aesthetics of orthodontic clear thermoplastic materials
Poster Presenter: Prof. Liliana Porojan
Abstract: Increased aesthetic requirements direct us more and more towards various types of clear thermoplastic polymers for orthodontic appliances. Polyethylene terephthalate glycol (PET-G) materials are promising and extensively used in dental field due to their excellent mechanical and optical properties. The purpose of the study was to assess the aesthetic characteristics of PET-G thermoplastic dental materials relative to water sorption. The following PET-G polyester thermoplastic materials were evaluated in this study: Crystal® (Bio Art Dental Equipment, Sao Carlos, Brazil), Duran® (Scheu-Dental GmbH, Iserlohn, Germany), Erkodur (Erkodent, Pfalzgrafenweiler, Germany), and Leone (Leone SpA, Firenze, Italy). For all four materials, tests for water absorption and solubility were performed. Surface roughness was analyzed and nanosurface topographic characterization was made by Atomic Force Microscopy (AFM). Optical parameters and color change values were calculated and statistical analyses performed. The specific weight of the studied PETG materials increases significant within the first 12 hours of water exposure. Related to the optical properties, positive correlations were found between optical parameters TP and OP, and chromatic coordinates a* and b* during water uptake. Slight color changes were registered according to NBS levels. Surface roughness values increased with the water uptake, but they were kept within clinically acceptable limits. An increase of inhomogeneity in the network structure of particles was shown on AFM images.
Poster Title: Aligners and the Bone Limits
Poster Presenter: Dr. Siuzanna Sevan
Abstract: Aligners today are the field of interest of many researches and the main topic of nearly every orthodontic congress. Digital orthodontics has unquestionably already broadened and will continue to broaden the horizon, impact and delivery of information to orthodontists through various tools. But what is more important for a doctor is to observe the apical base, located at the junction of basal and alveolar bone that houses the root apices using three dimensional radiographic images before, during and after the orthodontic treatment process.
Poster Title: Dental rehabilitation of a patient with dentinogenesis imperfecta – Case Presentation
Poster Presenter: Dr. Dalia Hisham Kokash
Abstract: To have a patient with Dentinogenesis imperfecta and to management it with prosthodontics is a very challenging case. Treatment protocol modify according to the clinical case. Although several reports in the literature suggest general guidelines for treatment planning, the present case report describes a full mouth rehabilitation of a young patient with dentinogenesis imperfecta treated by maxillary fixed partial dentures and mandibular fiber reinforced overdenture with metal occlusal surfaces.
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