Idiopathic osteosclerosis

Idiopathic osteosclerosis is a condition which may be found around the roots of a tooth. It is usually painless and found during routine radiographs. It appears as a radiopaque (light area) around a tooth, usually a premolar or molar. There is no sign of inflammation of the tooth.

Definition

Focal radiodensity of the jaw which is NOT inflammatory, dysplastic, neoplastic or a manifestation of a systemic disease. This is common and affects 5% of the population, usually seen in teens and those in their 20's. Typically asymptomatic and is an incidental finding on a radiograph. found anywhere in the jaw, most commonly in the mandibular premolar-molar region. The shape ranges from round to linear streaks to occasional angular forms.

Etiology

A reaction to past trauma or infection but it's difficult to rule out in some cases.

Radiology

Well defined, rounded or triangular radiodensity, that is uniformly opaque. There is no lucent component. Found near the root apex or in the inter-radicular area. Root resorption and tooth movement are rare.

Diagnosis

Usual diagnosis is via radiograph, patient history, biopsy is rarely needed. Periodic follow ups should included additional radiographs that show minimal growth or regression.

Differential Diagnosis

Condensing osteitis, sclerosing osteomyelitis, cementoblastoma, hypercementosis, Exostoses (tori). Condensing osteitis may resemble idiopathic osteosclerosis, however, associated teeth are always nonvital in condensing osteitis.

Treatment

No treatment is necessary.

References

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

Oral and maxillofacial pathology (K00–K06, K11–K14, 520–525, 527–529)

Lips

Cheilitis Actinic Angular Plasma cell Cleft lip Congenital lip pit Eclabium Herpes labialis Macrocheilia Microcheilia Nasolabial cyst Sun poisoning Trumpeter's wart

Tongue

Ankyloglossia Black hairy tongue Caviar tongue Crenated tongue Cunnilingus tongue Fissured tongue Foliate papillitis Glossitis Geographic tongue Median rhomboid glossitis Transient lingual papillitis Glossoptosis Hypoglossia Lingual thyroid Macroglossia Microglossia Rhabdomyoma

Palate

Bednar's aphthae Cleft palate High-arched palate Palatal cysts of the newborn Inflammatory papillary hyperplasia Stomatitis nicotina Torus palatinus

Oral mucosa - Lining of mouth

Teeth (pulp, dentin, enamel)

Periodontium (gingiva, periodontal ligament, cementum, alveolus) - Gums and tooth-supporting structures

Periapaical, mandibular and maxillary hard tissues - Bones of jaws

Temporomandibular joints, muscles of mastication and malocclusions - Jaw joints, chewing muscles and bite abnormalities

Bruxism Condylar resorption Mandibular dislocation Malocclusion Crossbite Open bite Overbite Overjet Prognathia Retrognathia Temporomandibular joint dysfunction

Salivary glands

Orofacial soft tissues - Soft tissues around the mouth

Actinomycosis Angioedema Basal cell carcinoma Cutaneous sinus of dental origin Cystic hygroma Gnathophyma Ludwig's angina Macrostomia Melkersson–Rosenthal syndrome Microstomia Noma Oral Crohn's disease Orofacial granulomatosis Perioral dermatitis Pyostomatitis vegetans

Other

Eagle syndrome Hemifacial hypertrophy Facial hemiatrophy Oral manifestations of systemic disease

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