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Cone beam computed tomography (CBCT) may assist in diagnosis and treatment planning, but cannot provide a definitive diagnosis. [2] Histological examination of extracted teeth is necessary to confirm the diagnosis and distinguishing concrescence from differential diagnoses of gemination or fusion by observing lack of dentinal confluence between ...
Mader’s “two-tooth” rule can help distinguish between tooth fusion and gemination. If the double tooth is counted as two teeth and the number of teeth in the mouth is normal, then the double tooth is likely a fused tooth. However, in some rare cases a tooth is fused to an extra tooth in which case counting the double tooth as two teeth ...
Axenfeld–Rieger syndrome is a rare autosomal dominant [2] disorder, which affects the development of the teeth, eyes, and abdominal region. [3]Axenfeld–Rieger syndrome is part of the so-called iridocorneal or anterior segment dysgenesis syndromes, [4] which were formerly known as anterior segment cleavage syndromes, anterior chamber segmentation syndromes or mesodermal dysgenesis.
Tooth ankylosis refers to a fusion between a tooth and underlying bony support tissues. In some species, this is a normal process that occurs during the formation or maintenance of the dentition. [1] By contrast, in humans tooth ankylosis is pathological, whereby a fusion between alveolar bone and the cementum of a tooth occurs.
Chronic infection of areas between the gums and teeth, or at the gum line; various degrees of Periodontitis - most likely due to the inability and difficulty of keeping the gingival margin and surrounding tissue clean due to the overgrowth; Improper tooth eruption and/or complete prevention of tooth eruption as a result of too much gingiva exposure
Early diagnosis and treatment is important to allow for prompt treatment to prevent long-term consequences such as tooth loss. [8] A diagnosis can be made by a urine analysis for low/no activity of the enzyme cathepsin C. [8] A full patient history and identification of characteristic physical symptoms is another way to identify this syndrome.
Occasionally, additional teeth may also arise from developmental anomalies like fusion or gemination. Fusion occurs when two tooth buds fuse together, creating a single, larger tooth. Gemination involves the incomplete division of a single tooth bud into two teeth. In some cases, these anomalies may take the form of the appearance of extra teeth.
The most common and simple treatment is the construction of a specially made acrylic prosthesis that covers the biting surfaces of the teeth and protects the cheek, tongue, and labial mucosa (an occlusal splint). This is either employed in the short term as a habit-breaking intention or more permanently (e.g., wearing the prosthesis each night ...