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Concrescence

**Concrescence**
*Classification & external resources*
ICD-10	K00.2
ICD-9	520.2

Concrescence is a condition of teeth where the cementum overlying the roots of at least two teeth join together. The cause can sometimes be attributed to trauma or crowding of teeth. Surgical separation of the teeth may be necessary if one is to be extracted.

References

Kahn, Michael A. Basic Oral and Maxillofacial Pathology. Volume 1. 2001.

v • d • e Oral Pathology: Oral pathology (K00-K14, 520-529)
Developmental Anomalies	Anodontia/Hypodontia - Hyperdontia - abnormalities of size and form of teeth (Concrescence, Fusion, Gemination, Dens evaginatus/Talon cusp, Dens invaginatus, Enamel pearl, Macrodontia, Microdontia, Taurodontism) - disturbances in tooth formation (Dilaceration, Regional odontodysplasia, Turner's hypoplasia) - other hereditary disturbances in tooth structure (Amelogenesis imperfecta, Dentinogenesis imperfecta, Dentin dysplasia)
Hard, Soft and Periapical Tissues	Attrition - Abrasion - Ankylosis - Dental caries - Denticles - Erosion - External resorption - Fluorosis - Gingivitis - Impaction - Internal resorption - Periodontitis - Pulpitis - Ulcer
Dentofacial Anomalies	Malocclusion - Micrognathism - Prognathism - Retrognathism - Temporomandibular joint disorder
Maxillomandibular anomalies	Odontogenic keratocyst - Torus mandibularis - Torus palatinus - Cherubism - Ameloblastoma
Salivary glands	Drooling - Benign lymphoepithelial lesion - Necrotizing sialometaplasia - Ranula - Sialadenitis - Sialolithiasis - Stomatitis - Xerostomia - Aphthous ulcer
Lip and Oral mucosa	Angular cheilitis - Erythroplakia - Hairy leukoplakia - Leukoplakia
Tongue	Geographic tongue - Fissured tongue - Glossitis - Glossodynia - Black hairy tongue