Background: Dental caries that are not handled properly cause cavities and open the dental pulp so that it becomes a pathway for microorganisms to enter the root canals. The most common microorganisms found in root canal infections are Enterococcus faecalis. Arabica coffee beans have bioactive compounds such as alkaloids, saponins, and tannins, which inhibit the growth of bacteria. This study aimed to compare the antibacterial effectiveness of roasted and non-roasted Arabica coffee bean extracts against bacteria Enterococcus faecalis. Methods: This study was an in vitro experimental study. This research uses culture Enterococcus faecalis, which were divided into 10 groups (2 control groups, 4 treatment groups of roasted coffee beans, and 4 groups of non-roasted coffee beans). Inhibition zone diameter analysis was carried out with the help of SPSS using univariate and bivariate. Results: Non-roasted Arabica coffee bean extract showed better effectiveness in inhibiting bacterial growth Enterococcus faecalis, along with increasing the concentration of the extract. Conclusion: Non-roasted Arabica coffee bean extract is more effective as an antibacterial against the bacteria Enterococcus faecalis compared to roasted Arabica coffee bean extract.

Background. Caries is a chronic infection of dental hard tissue. The development of caries is not limited to the tooth area, but caries can progress to the pulp chamber resulting in periapical lesions and abnormalities if not treated. Early detection of oral disease through radiographic examination is important, one of which is through periapical radiography. Methods. This type of research is descriptive. The sample of this research is periapical radiography of cases of hard tissue disease at Prima Oral Dental Hospital  period April – May 2021 as many as 78 photos.  Sampling in this study was done by random sampling. Data were analyzed descriptively. Results. Based on the interpretation of 78 photos periapical radiographs, it was found that the highest number of caries cases at Prima Oral Dental Hospital was superficial caries as much as 48.7%, followed by media caries as much as 43.6% and profunda caries only 7.7%. The mean and standard deviation of superficial caries depth was 3.51±1.348; medium caries 6.88±1.122 and profunda caries 10.00±1.549. Conclusion. Superficial caries is the most caries case found on periapical radiographic examination at Prima Oral Dental Hospital, while profunda caries is the least caries case.

Objectives: The purpose of this case report is to analyze the incidental finding of an odontogenic keratocyst on cone beam computed tomography (CBCT) examination for the case of an impacted tooth 48. Case Report: A 48-year-old man came with a consul letter to perform a CBCT examination with complaints of loose teeth on the right posterior mandible starting from the premolars. Coincidentally found on a sagittal view showed a wide radiolucency lesion on the internal part of the jaw and not related to the impacted tooth. The treatment plan is to remove the lesion and perform a biopsy and perform postoperative panoramic radiograph. Conclusion: The characteristics of the odontogenic keratocyst lesion can be visualized clearly on CBCT. The use of CBCT in analyzing the type and size of the lesion is very helpful in planning surgical treatment. Odontogenic keratocysts can be well-diagnosed using a combination of CBCT examination with histopathological examination to determine the most effective management and prevent a recurrence.