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Development of a three-dimensional printed model from a digital impression of a real patient for aesthetic dentistry undergraduate teaching.
J Dent Educ
August 2024
Department of Oral Medicine, Faculty of Dentistry, University of Oslo, Oslo, Norway.
Introduction: The acquisition of skills and manual dexterity in aesthetic dentistry in undergraduate teaching requires preclinical practices with simulation that should approximate real clinical situations.
Objective: We will present a digital procedure for the creation of three-dimensional (3D) resin models adapted to the practices of the Aesthetic Dentistry course.
Material And Method: Stereolithography or Standard Tesellation Language (STL) files of a real patient were previously obtained with a 3-shape intraoral scanner.
Purpose: This randomized controlled trial aimed to evaluate the 14-year clinical performance of a HEMA-free 1-step self-etch adhesive (1SEa) compared with that of a 3-step etch-and-rinse adhesive (3E&Ra).
Materials And Methods: 267 non-carious cervical lesions in 52 patients were restored with the microhybrid composite Gradia Direct (GC), bonded in random order either with the HEMA-free 1SEa G-Bond (GB; GC) or the 3E&Ra Optibond FL (OFL; Kerr), which is considered the gold-standard E&Ra (control). The restorations were followed over 14 years for retention, marginal adaptation and discoloration, and caries occurrence.
Pathophysiology of Demineralization, Part I: Attrition, Erosion, Abfraction, and Noncarious Cervical Lesions.
Curr Osteoporos Rep
February 2022
Melbourne Dental School, University of Melbourne, 720 Swanston St, Melbourne, Victoria, 3010, Australia.
Purpose Of The Review: Compare pathophysiology for infectious and noninfectious demineralization disease relative to mineral maintenance, physiologic fluoride levels, and mechanical degradation.
Recent Findings: Environmental acidity, biomechanics, and intercrystalline percolation of endemic fluoride regulate resistance to demineralization relative to osteopenia, noncarious cervical lesions, and dental caries. Demineralization is the most prevalent chronic disease in the world: osteoporosis (OP) >10%, dental caries ~100%.
Article Synopsis
- A randomized controlled trial compared the clinical performance of a mild/intermediately strong 2-step self-etch adhesive (O-XTR) to a 3-step etch & rinse adhesive (O-FL) over 6 years on 239 restorations in 50 patients.
- Despite O-XTR's slightly lower bonding efficiency to enamel compared to O-FL, its application process is simpler, minimizing the chances of application errors.
- Overall, both adhesives showed high retention rates (92.9% for O-XTR and 88.9% for O-FL) and similar overall clinical success rates (81.9% for O-XTR and 80.9% for O-FL), with minor marginal defects and
Epidemiological investigation of non-carious cervical lesions and possible etiological factors.
J Clin Exp Dent
July 2018
Professor, DDS, PhD, Department of Restorative Dentistry and Endodontics, Faculty of Dentistry in Pančevo, Serbia.
Background: Epidemiological studies of non-carious cervical lesions (NCCLs) are being conducted in all geographical regions, which is completely justified, considering the high frequency of these lesions and possible consequences. Data obtained from such studies are of great importance because, beside describing the extent and degree of lesions, they can also point to specific etiological factors. The purpose of this study was to analyze the frequency and distribution of NCCLs among the patients of Faculty of Dentistry in Pancevo, Serbia, and to investigate the impact of certain etiological factors on the frequency of NCCLs.
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