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Introduction Loss of teeth defines oral health status and chewing abilities. Caries and periodontal disease have been associated with systemic diseases, however they may contribute to cognitive impairment too. Mastication assessment appears to possess broad significance, and is needed to create background knowledge for chewing harmony. The aim of this study was to evaluate chewing performance and the characteristics of condylographic recordings, during mastication of Natural Food (NF) and a Standard Food Model (SFM), in subjects with different occlusal parameters. Methodology Twenty-three adult subjects' mastication was assessed with a standardized recording protocol, when chewing onto SFM and NF in three different textures. Detailed occlusal characteristics, condylographic recording data and condylographic patterns during mastication were all analyzed and compared. Results Bilateral Crossbites, Missing Molars and Asymmetric Molar Class were related to higher disharmony and transversal displacement during chewing. Missing and unreplaced molars showed dysfunctional patterns and so did worn out occlusal surfaces. Molar Class alone did not prove to be a useful predictor in chewing test results. Conclusion Increasing evidence indicates that oral health has an impact on Individual and Public Health. It is important to understand that oral health and its functional status are to be maintained during one's lifetime, and that preventive, therapeutic measures at all ages should have a common functional target to grant neurobiological health as well as nutritional goals of Mastication. Further studies are needed to better understand the relevance of additional parameters such as Occlusal Plane Inclination, Curve of Spee, and three-dimensional asymmetries. [ABSTRACT FROM AUTHOR]

Summary: Central giant cell granuloma (CGCG) is an uncommon benign bony lesion that occurs in the mandible and maxilla. The clinical behaviour of CGCG ranges from a slow-growing asymptomatic swelling to an aggressive lesion that presents pain, local bone destruction, root resorption and tooth displacement. Therapeutic options have varied greatly over the years. Non-surgical treatments with alpha interferon (α-IFN), calcitonin and corticosteroids have been described and their benefits may be worthy of consideration. Surgery is considered the traditional treatment and it is still the most accepted one, however in the literature not all authors agree on the type of surgery which should be performed. Although en bloc resection provides the lowest recurrence rate, only a few single case reports describe the use of this technique followed by reconstruction with autogenous bone grafts. The authors report their experience with en bloc resection of 18 wide CGCGs which had not been previously treated medically. Immediate reconstruction was carried out for all cases and in one, a fibula free flap was used to reconstruct the mandible. No recurrence was observed. After complete healing of the graft, prosthetic rehabilitation via implants was performed. This allowed the best functional and aesthetic results. [Copyright &y& Elsevier]