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OBJECTIVE: Lymphoma is a heterogenous group of malignant tumours with proliferation of lymphoid cells or their precursors. Lymphomas in the head and neck region are usually found in Waldeyer's ring. Intraoral lymphomas are rare and the clinical presentation and roentgenological appearance may resemble other and benign conditions, entailing a risk for diagnostic delay. The objective of the present literature review was to identify subjective symptoms, clinical presentations and roentgenological appearances which should raise suspicion of lymphoma. MATERIALS AND METHODS: = 567 cases) of intraoral lymphomas. Information of demographics, clinical presentation, subjective symptoms and roentgenological appearance was registered. RESULTS: The most common clinical presentation was a broad-based swelling or bulging mass with or without simultaneous ulceration, frequently with a relatively rapid growth pattern. Subjective symptoms varied considerably. Intraosseous lymphomas were frequently associated with paresthaesia or numbness. The most common roentgenological finding was a radiolucency with diffuse demarcation. CONCLUSIONS: The clinical presentation, symptomatology and roentgenological appearance of intraoral lymphomas varied. Diagnostic delay was usually associated with a lymphoma initially misdiagnosed as a lesion of dental aetiology or a reactive lesion. Inadequate healing after tooth extraction or symptoms of numbness or pain without obvious dental origin should merit further clinical and roentgenological examination. Biopsy is indicated when there is the slightest doubt of the true nature of mucosal lesion.

Objective Mapping key themes that characterize challenging and positive encounters in dental practice using online reviews of patient satisfaction. Materials and methods 11,764 online patient reviews of dental encounters, consisting of an overall satisfaction rating (1–5 stars) and a free-text response, were collected from the web-site Legelisten.no. The reviews were split into two sets: reviews from patients with low satisfaction (1–2 stars) representing challenging encounters vs. patients with high satisfaction (4–5 stars) representing positive encounters. A qualitative thematic analysis was used to analyse the text materials in the datasets. Results Five key themes to both challenging and positive patient encounters were identified: (1) Interpersonal factors, (2) Patient factors, (3) Dentist factors, (4) Situational factors, and (5) Consequences. These themes are discussed in light of their role in challenging and positive patient encounters, as well as previous studies of online reviews and patient satisfaction. Conclusions Based on the patients’ experiences with dental encounters, challenging encounters seem to arise when dentists’ personality traits and communication skills fail to match the patients’ expectations or preferences. It appears central to patient satisfaction that dentists are able to shift between different communication styles in order to adapt to the personality and preferences of the patients.