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Objectives: Chronic rhinosinusitis (CRS) frequently stems from a dental origin, although odontogenic sinusitis (OS) remains underdiagnosed amongst different professionals. This study aimed to explore how often odontogenic causes are considered when diagnosing CRS. Materials and methods: Patient records from 374 new CRS patients treated at a tertiary-level ear, nose, and throat (ENT) clinic were selected. Entries and radiological reports were assessed exploring how often dentition was mentioned and OS was suspected, how often radiologists reported maxillary teeth, and how commonly typical OS microbial findings and unilateral symptoms occurred. Results: Although 10.1% of the CRS diagnoses were connected to possible dental issues, teeth were not mentioned for 73.8% of patients. Radiological reports were available from 267 computed or cone beam computed tomographies, of which 25.1% did not mention the maxillary teeth. The reported maxillary teeth pathology was not considered in 31/64 (48.4%) cases. Unilateral symptoms associated with apical periodontitis (OR = 2.49, 95% CI 1.27–4.89, p = 0.008). Microbial samples were available from 88 patients, for whom Staphylococcus aureus was the most common finding (17% of samples). Conclusions: Odontogenic causes are often overlooked when diagnosing CRS. To provide adequate treatment, routine assessment of patient's dental history and status, careful radiograph evaluation, and utilization of microbial findings should be performed. Close cooperation with dentists is mandatory. Clinical relevance: Dental professionals should be aware of difficulties medical professionals encounter when diagnosing possible OS. Thus, sufficient knowledge of OS pathology is essential to both medical and dental professionals. [ABSTRACT FROM AUTHOR]

Objectives: The aim of the study was to compare the effectiveness of vasodilator isoxsuprine to dexamethasone with hyaluronidase injections and physiotherapy in the treatment of oral submucous fibrosis. Materials and methods: Forty patients with oral submucous fibrosis were randomly assigned into three groups. Group A patients ( n = 15) received 10 mg isoxsuprine tablets four times per day, group B ( n = 15) biweekly dexamethasone with hyaluronidase intralesional injections, and group C ( n = 10) placebo tablets. In addition, all patients were instructed physiotherapy exercises. The treatment time was 6 weeks and patients were followed-up for 4 months thereafter. The effect of the treatment was evaluated by measurements of inter-incisal distance and oral burning sensation and evaluation of histological findings of the diseased mucosa. Results: Mouth opening increased and burning sensation decreased significantly in all groups, but the effects were significantly greater in groups receiving either oral isoxsuprine or dexamethasone with hyaluronidase injections in addition to physiotherapy. The decrease in burning sensation occurred more rapidly in patients receiving intralesional dexamethasone with hyaluronidase. Histological improvement was not observed in any of the groups. Conclusions: Oral isoxsuprine as well as dexamethasone with hyaluronidase injections combined to physiotherapy alleviate symptoms of oral submucous fibrosis significantly more efficiently than physiotherapy alone. Clinical relevance: Oral isoxsuprine can be considered as a new candidate drug for the treatment of oral submucous fibrosis. Physiotherapy exercises provide relief of symptoms and should be instructed to all patients. [ABSTRACT FROM AUTHOR]