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Background: Fissured Tongue (FT) is a benign asymptomatic disorder manifested with grooves that can vary in size and depth on the dorsum of the tongue. The prevalence of FT worldwide has been reported to be as high as 30.5%. Aim: The present study was designed to determine the prevalence of FT among the Libyan population and also to evaluate its association with age, gender, burning symptoms and some medical conditions.

Background: Third molar impaction is a prevalent condition that affects a substantial percentage of the global population, with a global prevalence ranging from 16.7% to 68.6%. 2. Nearly half of impacted third molars are associated with some form of pathology. Aim: To ascertain the prevalence of third molars that have been impacted in the large Tripoli, Libyan population, in relation to the level of eruption, the angulation of impaction, their accompanying pathologies, and associated demographic data (sex and age of the patients). Material and Methods:The 8860 digital panoramic radiographs (PRs) from the large Tripoli city population were obtained retrospectively for the current investigation. Using Microsoft Excel, the sampled PRs were assessed, and the information gathered was collated and examined (Microsoft Office 2013). The data was examined using the Chi-Square analysis technique. Results: A total sample of 8860 digital panoramic radiograph, 2077 (23.4%) cases of impacted third molars to show at least one impacted third molar. The prevalence of impacted third molars was found significantly higher in the twenties and thirties age groups (35.1%).A total of 2077 digital PRS were diagnosed with impacted third molars out of which 642 (31%) were associated with pathologies. Conclusion: This study's sample of impacted third molars demonstrated a low frequency in the large Tripoli population. Males are more prone than females to have an impaction. The most prevalent impaction patterns were mesioangular angulation, level C impaction, and class II impaction. The enlargement of the periodontal ligament space was one of the most frequent related hard tissue diseases.

Regional odontodysplasia (ROD) is a rare dental anomaly that can affect deciduous and permanent dentition. This unique dental abnormality involves enamel, dentin, pulp, and dental follicle. ROD has a prevalence of less than 1:1.000.000 and the age at the time of diagnosis ranges from 1 to 23 years. Females are slightly more affected than males at a ratio of 1.4:1. The maxilla is affected twice as often as the mandible. The aetiology of ROD is still unknown and conditions such as viral infections, local trauma, vascular defects, irradiation, metabolic disturbance, rhesus incompatibility and medications during pregnancy have been suggested as possible causes. The diagnosis is usually made by clinical and radiographic findings. Generally, the affected teeth fail to erupt, but when erupted, they are small, hypoplastic, or hypocalcified with deep pits and clefts which could be connecting the pulp. Radiographically, the affected teeth show a typical "ghost-like" appearance. The affected teeth have large pulp chambers and short roots with open apices. The treatment of ROD is controversial. It is widely accepted that implant-supported single-unit crowns represent a reliable treatment option for the replacement of missing teeth with favourable outcomes. The objective of this review and reported case highlights epidemiology, etiopathogenesis, diagnosis, and implant treatment modality.