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Background: This study aims to evaluate the influence of two dental treatment protocols, outpatient non-regulated treatment versus supervised hospital treatment, on the oral health of patients undergoing oral cancer (only radiochemotherapy treatment, not surgical) treatment., Material and Methods: The study used a quasi-experimental approach justified on ethical grounds. A total of 41 patients were included in the control group (outpatient non-regulated treatment) and 40 patients in the experimental group (in-hospital supervised treatment). The patients were treated only with chemotherapy (not surgical treatment was made) for oral cancer. This decision was taken by the oncology committee of the hospital without being influenced by this study. Data regarding plaque index, daily brushing habits, appearance of new cavities, need for extractions, appearance of candidiasis and use of prosthetics in both groups were collected at three points throughout the study: before starting cancer treatment, during treatment and after treatment. The values obtained using the Student's t-test and chi-squared were compared., Results: Based on similar patient backgrounds, throughout cancer treatment the intervention under study resulted in a decrease in plaque index, necessary extractions, and incidence of decay, as well as an increase in daily brushing among other improvements in oral health observed in the experimental group versus the control group., Conclusions: From our data, we can confirm that supervised dental treatment performed during oral cancer treatment produced an improvement in the oral health of patients with oral cancer. Key words: Oral cancer, dental treatment, quality of life, oncology, dentistry., Competing Interests: Conflict of interest statement: The authors have declared that no conflict of interest exist.

Background: Radical surgical resection as a treatment modality for oral cancer often leads to an extensive deficit in both the maxillary and mandibular levels, where the use of a palatal obturator prosthesis (POP) or removable partial denture (RPP). The aim of this study was to evaluate the treatment with POP and RPP in patients treated for oral cancer in the Unit of Prosthetic Rehabilitation of the University Hospital Virgen del Rocío in a period of 20 years., Material and Methods: Retrospective descriptive study during the years 1991 and 2011 analyzing oral cancer type, characteristics, treatment and follow-up. The sample consisted of patients whose tumor had previously been removed and who had been referred to the Oncological Rehabilitation Unit of the Oral and Maxillofacial Surgery Unit of the "Virgen del Rocío" University Hospital for rehabilitation. The inclusion criteria were patients whose underlying pathology was any type of neoplasia, which after its treatment had been referred to the aforementioned Oncological Prosthetic Rehabilitation unit., Results: Of the 45 patients included in our study, 15 patients were rehabilitated with palatal obturator (33.3%) and 5 patients with removable partial denture (11.1%). The mean age of the sample of patients with POP was 57.3 ± 9.23, while the mean age of the sample of patients with RPP was 58 ± 13.5. The most common underlying pathology in patients with POP was squamous cell carcinoma (60%), whereas in patients with RPP it was 100%. The most frequent location found among POP patients was the upper jaw, while in the PRP patients there was no predominant location. The univariate and multivariate logistic regressions did not show any statistically significant association between the independent variables age, sex, smoking habit and alcoholic habit with the dependent variable type of rehabilitating prosthesis., Conclusions: Based on our data, we can conclude that RPP is used in few cases of oncological rehabilitation. The POP has a greater use, as long as the defect in the bones of the facial middle third is limited. Key words: Head and neck cancer, reconstructive surgery, Palatal obturators, removable partial dentures., Competing Interests: Conflict of interest statement:The authors have declared that no conflict of interest exist.

In this report, we examine a clinical entity called atypical histiocytic granuloma (AHG), which is characterized by ulceroproliferative lesions that clinically simulate a squamous cell carcinoma or specific granulomatous lesions. AHG histologically shows a histiocytic proliferation and is characterized by specific mitotic activity, which has the potential to be confused with malignant processes of a lymphoid origin. There are few cases reported in the literature, and an adequate knowledge of the process is required in order to avoid a misdiagnosis, especially as regards malignant processes. To our knowledge, a case of this type of lesion in the palate has not yet been described. We present a case of an atypical histiocytic granuloma which occurred in the form of an ulcerated pediculated lesion in the palatine mucosa (an uncommon localization that not yet has been researched). This case histologically showed a histiocytic infiltration with an increase in the mitotic index, eosinophils and an accumulation of haemosiderin. The lesion resolved spontaneously after the biopsy, without recurring after a period of five years. This report stresses the important value of immunohistochemistry in diagnosing the lesion and also discusses the similarities and differences between other lesions that may be confused, potentially leading to a misdiagnosis.