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The interdental papillae fill in the area between the teeth apical to their contact areas to prevent food impaction; they assume a conical shape for the anterior teeth and a blunted shape buccolingually for the posterior teeth. [1] A missing papilla is often visible as a small triangular gap between adjacent teeth.
The primordium contains each of the primordial tissue types, essential for the development of successive teeth. These primordial tissues together form the enamel organ, dental papilla and dental sac. Also during the cap stage is the formation of a depression within the deepest part of each tooth bud of the dental lamina. The dental lamina is a ...
Acute necrotizing ulcerative gingivitis: painful, bleeding, sloughing ulceration and loss of the interdental papillae (usually of the lower front teeth). Necrotizing periodontal diseases are non-contagious infections but may occasionally occur in epidemic-like patterns due to shared risk factors.
Papillae dimension can be changed due to any of the following reasons: 1. Inter-proximal space between teeth; diverging roots can result in the presence of an interproximal space when the contact point between the two clinical crowns is situated too incisally, diverging roots may also be a result of orthodontic treatment. [7] 2.
The dental papilla contains cells that develop into odontoblasts, which are dentin-forming cells. [3] Additionally, the junction between the dental papilla and inner enamel epithelium determines the crown shape of a tooth. [2] The dental follicle gives rise to three important entities: cementoblasts, osteoblasts, and fibroblasts. Cementoblasts ...
The alveolar bone proper, also called bundle bone, directly surrounds the teeth. [6] The terms alveolar border, alveolar crest, and alveolar margin describe the extreme rim of the bone nearest to the crowns of the teeth. [7] [8] [9] The portion of alveolar bone between two adjacent teeth is known as the interdental septum (or interdental bone ...
The origin of the lesion is unclear. This condition appears to be of an inflammatory nature. [7]An excessive denture palatal relief area, creating a void between the denture base and the tissue of the palate, encourages food entrapment and so encouraging bacterial and fungal growth between the two surfaces.
Tooth development begins at week 6 in utero, in the oral epithelium. The process is divided into three stages: Initiation; Morphogenesis and; Histogenesis [2]; At the end of week 7 i.u., localised proliferations of cells in the dental laminae form round and oval swellings known as tooth buds, which will eventually develop into mesenchymal cells and surround the enamel organ.