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  2. Tooth fusion - Wikipedia

    en.wikipedia.org/wiki/Tooth_fusion

    The fusion may be complete (involves crown and root) or partial (involves only the crown), depending on the stage of tooth development when the teeth started to fuse. Tooth fusion is difficult to distinguish from tooth gemination, thus, both conditions are often referred to together as “double teeth”. [1] Double teeth can cause other dental ...

  3. Tooth gemination - Wikipedia

    en.wikipedia.org/wiki/Tooth_gemination

    Double teeth are more common in primary teeth with a prevalence of 0.5 - 0.7%, but can occur in permanent teeth. [1] Unlike tooth fusion, tooth gemination is more common in the maxillary incisors and canines. [3] [4] [5] Like tooth gemination, tooth fusion is more common in the anterior teeth (incisors and canines). Double teeth affect both ...

  4. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    The fusion of two deciduous teeth. Gemination occurs when a developing tooth incompletely splits into the formation of two teeth. Fusion is the union of two adjacent teeth during development. Concrescence is the fusion of two separate teeth only in their cementum.

  5. Human tooth development - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_development

    Teeth affected by regional odontodysplasia nevAmelogenesis imperfecta is an autosomal dominant disease characterized by a defect in dental enamel formation. Teeth are often free of enamel, small, misshapen, and tinted brown. The cause of these deformities is due to a mutation in enamel in expression.

  6. Concrescence - Wikipedia

    en.wikipedia.org/wiki/Concrescence

    Concrescence is an uncommon developmental condition of teeth where the cementum overlying the roots of at least two teeth fuse together without the involvement of dentin. [ 1 ] [ 2 ] Usually, two teeth are involved with the upper second and third molars being most commonly fused together. [ 3 ]

  7. Tooth ankylosis - Wikipedia

    en.wikipedia.org/wiki/Tooth_ankylosis

    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.

  8. New Year's resolutions for pet owners to make (and keep!) in 2025

    www.aol.com/years-resolutions-pet-owners-keep...

    Just like humans, nutrition is important for our friends in the animal kingdom. Helping them grow and develop properly, the right diet can help our pets stay healthy.

  9. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    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.

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