External resorption

From Wikipedia, the free encyclopedia

External resorption
Classification and external resources
ICD-9	521.42

External resorption is a condition of a tooth where the root surface is lost. This can be caused by chronic inflammation, cysts, tumors, trauma, reimplantation of a tooth, or sometimes the cause is unknown.

References

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

Endodontology (ICD-9-CM V3 23.0–23.2+23.7, ICD-10-PCS 0C?W–X)

Diagnostic tests

Armamentarium and material

Endodontic procedures

M: TTH

anat/devp/phys

noco/cong/jaws/tumr, epon, injr

dent, proc (endo, orth, pros)

Acquired tooth disease (K02–K05, 521–525)

Hard tissues

Pulp/periapical (Endodontal)

Pulpal	External resorption Internal resorption Irreversible pulpitis Reversible pulpitis Necrotic pulp Pink tooth of Mummery

Periapical	Acute apical periodontitis Chronic apical periodontitis Combined periodontic-endodontic lesions Fistula Periapical abscess Phoenix abscess Vertical root fracture

Ungrouped	Pulpitis Radicular cyst Periapical abscess

Gingiva/periodontal
(Periodontal)

Bone cyst

Other

To be grouped
from periodontology

Diagnoses	Chronic periodontitis Localized aggressive periodontitis Generalized aggressive periodontitis Periodontitis as a manifestation of systemic disease Necrotizing periodontal diseases Abscesses of the periodontium Combined periodontic-endodontic lesions

Pathogenesis	A. actinomycetemcomitans Capnocytophaga sp. F. nucleatum P. gingivalis P. intermedia T. forsythia T. denticola

Pathologic entities	Calculus Edentulism Fremitus Furcation defect Gingival enlargement Gingival pocket Gingivitis Horizontal bony defect Linear gingival erythema Occlusal trauma Periodontal pocket Periodontal disease Periodontitis Plaque Recession Vertical bony defect