No abstract

The alveolar bone resorption that occurs after tooth loss leads to maladaptation of prostheses over the mucosa, causing discomfort to the patient. However, these maladaptations can be solved by prosthesis relining. Objective: The aim of this study was to discuss based on the literature, the relining of complete and partial removable dentures. Literature review: Dentistry makes use of relining materials that can be either rigid or resilient, having a temporary or permanent characteristic. However, to obtain a satisfactory result, the knowledge of their indications, contraindications, advantages, disadvantages is required, in addition to the characteristics and types of materials. Patients should be aware of the importance of constant monitoring, or even the need to reline their dentures, as it is not possible to determine the biological tolerance of each individual. Conclusion: The installation and proservation phases become essential to minimize bone resorption, and also to achieve rehabilitative treatment success.

With patients increasingly seeking esthetics, advances in the dental area now offer many forms of treatment in order to achieve success. This paper aims to report a clinical case of functional and esthetic rehabilitation involving prostheses over implants and esthetics crowns on the posterior area as well as on the anterior area in an elderly patient. The results achieved were very satisfactory for both the dental surgeon and the patient. The self-esteem of the patient improved after this treatment, thus improving her interpersonal relations.

Objective: The aim of this study was to evaluate the effi cacy of a bleaching material (hydrogen peroxide [HP]) in diff erent concentrations (20% and 35%) as well as the susceptibility to staining after the bleaching procedure. Materials and Methods:The root portions of 20 healthy bovine incisors were removed, and the crowns were sectioned, obtaining mesial and distal halves, totaling 40 specimens. The specimens were identifi ed as 1-20 (G1) for the mesial half and 21-40 (G2) for the distal half. The specimens of G1 were subjected to staining with coff ee and subsequently subjected to bleaching with HP 35% (specimens 1-10) and HP 20% (specimens 11-20). The specimens of G2 were stained with acai berry and later bleached with HP 35% (specimens 21-30) and HP 20% (specimens 31-40). After bleaching, the specimens were again subjected to staining with the same substances. The colorimetry system (CIELab) was carried out with a spectrophotometer at fi ve diff erent moments: Before the fi rst staining, after the fi rst staining and previously to the fi rst session of bleaching, previously to the second bleaching session, previous to the second staining, and fi nally after the second staining. Results: No diff erence was found between HP 35% and 20%, and both materials signifi cantly promoted bleaching. Conclusions: The acai solution resulted in more staining compared to the coff ee solution, before and after bleaching. No increase was observed in susceptibility to staining after bleaching of the bovine teeth.

The aneurysmatic bone cysts are uncommon bone injuries, but well-recognized occurring a more frequent in long bones and vertebrae of patients with <30 years. As a distinct entity, it was fi rst described by Lichtenstein, they rarely occur in the maxillary sinuses, which may occur concomitantly with other injuries such as brous dysplasia, and central injury of giant cells. The etiology and pathogenesis of this injury are still not completely elucidated, and there is controversy whether injuries arise anew or represent some form of vascular accident in a preexisting injury. Their clinical characteristics such as fast growth, expansion, cortical destruction and osteoid formation can easily confuse the clinician about malignant injuries. This is a case report of a pediatric patient treated of an aneurysmal bone cyst (ABC) associated with juvenile ossifying broma in Buccal