The colour stability of crystallized acetyl resin material in comparison to other restorative materials. An in-vitro study.

Aim: To investigate the colour stability of Crystalized Acetyl Resin, in comparison to three other aesthetic restorative materials, when immersed in different staining aqueous solutions.

Materials And Methods: Fifteen disc-shaped specimens each, of the four materials tested, were immersed in either DW or 4 staining solutions. CIE L*a*b* values were recorded using a digital spectrophotometer on a weekly basis for 4 weeks.

Temporomandibular Disorder among Women Who Experienced Posttraumatic Stress Disorder after a Miscarriage.

Objectives: This study intended to understand the risk of developing temporomandibular disorder among Saudi women who experienced a miscarriage.

Materials And Methods: Two hundred and eight Saudi women from several hospitals' gynecologic clinics in two areas in Saudi Arabia were screened to fill out the Impact of Events Scale-Revised (self-reporting questionnaire) Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition diagnostic criteria for posttraumatic stress disorder and a structured temporomandibular joint disorder (TMD) Questionnaire (Research Diagnostic Criteria for Temporomandibular Disorders). A single examiner did the clinical examination for temporomandibular joint (TMJ).

Esthetic self-perception of smiles among a group of dental students.

Objective: The aim of this cross-sectional observational study was to assess undergraduate dental students' esthetic self-perception of their own smiles.

Materials And Methods: A questionnaire consisting of two parts was distributed to 1400 dental students at all levels of study in the city of Riyadh. The first part was intended to measure students' self-perception of and satisfaction with their own smiles.