Association between isotretinoin (Roaccutanne) use and changes in periodontal clinical parameters and MMP-8 and MMP-9 salivary levels.

: to evaluate changes in clinical periodontal parameters, salivary levels of MMP-8 and MMP-9, in individuals taking Isotretinoin (INN), and compare with individuals not taking the medication and to compare findings among different stages of periodontal disease and healthy periodontium. : A case-control study was conducted with a total of 180 human adults divided into six groups. Clinical parameters, including pocket depth (PD), clinical attachment level (CAL), and bleeding on probing (BOP) were measured at six sites per tooth.

Reliability and validity of an Arabic version of the revised two-factor study process questionnaire R-SPQ-2F.

Objective: How students accomplish their learning and what they learn is an indicator of the quality of student learning. An insight into the learning approaches of a student could assist educators of the health profession in their planning for the first year of study. The aim of this study was to develop a reliable and valid Arabic version of the revised two-factor study process questionnaire.

Pilgrims satisfaction with ambulatory health services in Makkah, 2008.

Objective: The main objective of this study was to assess the level and correlates of patients' satisfaction with ambulatory health services provided for pilgrims during Hajj period in 2008.

Materials And Methods: This was a facility-based, cross-sectional study conducted in the Makkah region during the Hajj season in December 2008. A two-stage technique was used to select 500 patients from those who attended the ambulatory health services.

The ability of the pre-admission criteria to predict performance in a Saudi medical school.

Objective: To evaluate the ability of preadmission criteria used in most health professional schools in Saudi Arabia to predict the in-program performance.

Methods: This retrospective cohort study was conducted at King Fahd Medical City, Faculty of Medicine, Riyadh, Kingdom of Saudi Arabia between July and September 2008. Four sets were used to examine the predictive power of preadmission variables.