Evaluation of colour change, marginal adaptation, fracture strength, and failure type in maxillary and mandibular premolar zirconia endo-crowns.

Objectives: The objective of this in vitro study was to evaluate the effects of different preparation designs on the mean colour change (ΔE), marginal adaptation, fracture resistance, and fracture types of maxillary and mandibular premolar endocrowns (ECs).

Methodology: A total of 40 extracted maxillary and mandibular premolars were treated endodontically, and each type was subdivided according to the remaining axial height (remaining walls on all surfaces; 2-4 mm) and 2 mm inside the pulp chamber. Specimens were immersed in coffee for 14 days, ΔE was determined, marginal adaptation was observed, fracture forces test was conducted, and the samples were examined visually at 10× magnification to evaluate failure type and identify fracture origin.

Levels of Depression, Anxiety, and Stress Among Saudi Arabia's Medical and Dental Practitioners: A Cross-Sectional Study Following the Covid-19 Pandemic.

BACKGROUND Healthcare providers, particularly in dentistry and medicine, experience high stress levels, exacerbated by factors like patient anxiety, clinical work, and continuous training. The COVID-19 pandemic has further increased these risks. This study aimed to assess depression, anxiety, and stress (DAS) among dental and medical practitioners in Saudi Arabia, investigating influential factors on their psychological behavior.

Root Morphology and Canal Configuration of Permanent Canines Among Saudi Population: Systematic Review and Comparison with Worldwide Studies.

Aim: The root morphology and canal configuration (RMCC) of mandibular and maxillary canines among Saudi population is systematically reviewed and compared with international studies in this research.

Methods: This study was carried out following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses recommendations. The electronic databases of PubMed, Science Direct, Scopus, Wiley Library, Google website search, and Web of Science were searched.

A Systematic Review of Cross-Sectional Studies Conducted in the Kingdom of Saudi Arabia on Levels of Dental Anxiety Between Genders and Demographic Groups.

BACKGROUND Dental anxiety can impact oral health and dental treatment in patients of all age groups, which seems to be an obstacle to quality dental care. This systematic review of the literature aimed to evaluate the findings from cross-sectional studies conducted in the Kingdom of Saudi Arabia (KSA) on levels of dental anxiety (DA) between genders and among various demographic groups. MATERIAL AND METHODS An electronic search of PubMed, Embase, and Web of Science databases was carried out in January 2022.