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This study identified an association between GT and anti-hypertensive medications, as well as the use of Swedish snus. It also found differences in the activities and symptoms of the lesions between referred patients and their counterparts who were seen in general dental practice; these parameters influenced the results when these conditions were taken into account.

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There has been a continuous debate regarding the possible malignant potential of oral lichen planus (OLP). Based on the results from follow-up studies, OLP is regarded by several authors as a pre-malignant condition, and patients with OLP have been recommended to have their lesions monitored two to four times annually. This recommendation needs reconsideration, because a recall system of all patients with OLP requires substantial economic resources. In a reality where such resources are limited, a recall system must be weighed against other benefits and the fact that the malignant potential of OLP is most likely very low. The present review focuses on the diagnostic criteria for OLP, the pre-malignant potential of OLP, and the extent to which the available information can be used to reduce morbidity and mortality of oral cancer related to OLP.

174 patients referred to the Department of Oral and Maxillofacial Surgery, Central Hospital, Karlstad, Sweden during 1987 to 1989 for lichenoid lesions and evaluation of a possible connection with amalgam restorations were invited to a clinical re-examination. 159 of the patients were re-examined with the purpose of evaluating the long-term effect upon performed substitution therapy. Partial or total removal of amalgam had been recommended according to a set of given criteria. The re-examination showed that 62 patients had performed partial and 69 patients total removal of amalgam fillings. 28 patients had not performed any substitution therapy. There was a difference between recommended and performed therapy. The results demonstrated that 92% of patients with lichenoid lesions only in contact with amalgam fillings healed or improved clinically following removal of amalgam. No statistical difference was found in healing between patients who only removed fillings in contact and those who had removed all amalgam restorations. More than 60% of buccal lichenoid lesions without contact with amalgam at time of referral disappeared following amalgam substitution. Gingival lichenoid lesions did not respond to substitution of amalgam to another material. 3 out of 17 patch-tested patients demonstrated a hypersensitivity reaction to mercury. All lichenoid lesions in these patients healed following total substitution. Partial or total removal of amalgam fillings was also performed on 10 patients with completely negative patch-tests. 6 out of these patients demonstrated complete healing of their lichenoid reactions at re-examination.(ABSTRACT TRUNCATED AT 250 WORDS)

OFG in childhood seems to be frequently related to systemic disease, and children with OFG should be referred to a paediatrician for examination and follow-up.

Objectives: To study the severity of symptoms and estimate the prevalence of oral mucosal lesions in a non-referral adult Swedish population, as registered by general dental practitioners. This study also aims to evaluate the possibi-lity of dental practitioners collecting large quantities of reliable and accurate clinical data on oral mucosal lesions. Study Design: Data from 6,448 adult Swedish patients were collected by general dental practitioners using a standardized registration method. A correlation analysis between a group with oral mucosal lesions and a control group, with no oral mucosal lesions, was performed for various parameters such as symptoms from the oral mucosa, systemic diseases, medication, allergy history, tobacco habits and the patient’s own assessment of their general health. In addition, clinical photos were taken of all oral mucosal lesions in order to determine the degree of agreement between the diagnoses made by general dental practitioners and those made by oral medicine specialists. Results: A total of 950 patients (14.7%) presented with some type of oral mucosal lesion and of these, 141 patients (14.8%) reported subjective symptoms. On a visual analogue scale, 43 patients (4.5%) scored their symptoms <30, 65 patients (6.8%) scored their symptoms ?30, and 28 patients (2.6%) scored their symptoms ?60. The most debilitating condition was aphthous stomatitis and the most common oral mucosal lesion was snuff dipper’s lesion (4.8%), followed by lichenoid lesions (2.4%) and geographic tongue (2.2%). There was agreement between the oral medicine specialists and the general practitioners over the diagnosis of oral mucosal lesions on the basis of a clinical photograph in 85% of the cases (n=803). Conclusions: Nearly 15% of the patients with oral mucosal lesions reported symptoms. General practitioners could contribute significantly to the collection of large quantities of reliable and accurate clinical data, although there is a risk that the prevalence of oral mucosal lesions may be underestimated. Key words:Epidemiology, oral mucosal lesions, oral medicine, examiner reliability.