This research aims to determine the cognitive profile of students' creative thinking on learning mathematics model Jigsaw through discovery learning approach. The method used in this research is a quantitative method that is experimental with one-shot case study design study. Student response to the application of jigsaw learning model through discovery learning approach showed a positive response, with average percentage 69.2% and included in strong category, while for the average mastery of class 78,51. The students' creative thinking ability after being given treatment by applying jigsaw learning model through discovery learning approach has increased. From the observations during the learning at each meeting experienced a significant increase, with the average percentage of 53.81% included into the good category. Then it can be concluded that the creative thinking ability of class VIII I students in MTs Negeri 1 Kota Cirebon during learning by using jigsaw model through discovery learning approach is said to have good categorization

Knowledge of the position of the mental foramen is important both when administering regional anaesthesia,performing periapical surgery and dental implant surgery and endodontic treatments in the mandible. This study was to investigate the variation of the mental foramen in human skull. The study sample included eleven skulls taken in Anatomy Laboratory, Faculty of Medicine, Cenderawasih University. The mental foramen was symetrical in 100% of skulls. The most common size of foramen is 2.6 mm (46%) and the most common position of the mental foramen was between the first premolar and the second premolar (64%).Key words:  mental foramen, variation , mandible, human skull