May Be Caused by

 Common

Actinomycosis

Cementoosseous dysplasia

Chronic diffuse sclerosing osteomyelitis

Fibrous dysplasia

Garré sclerosing osteomyelitis

Impacted teeth

Multiple hypercementoses

Multiple periapical condensing osteitis

Multiple socket sclerosis

Paget disease of bone

Polyostotic fibrous dysplasia

Retained roots

Sclerosing osteomyelitis

Unerupted teeth

 Uncommon

Caffey disease

Cleidocranial dysostosis

Craniodiaphyseal dysplasia

Craniometaphyseal dysplasia

Diaphyseal dysplasia

Dysosteosclerosis

Enchondromatosis

Endosteal hyperostosis van Buchem type

Exostoses

Familial gigantiform cementomas

Fluorosis

Gardner syndrome

Hyperphosphatasia

Infantile hypothyroidism

Multiple odontomas

Multiple osteomas

Osteoblastic metastases

Osteochondromas

Osteopetrosis

Pyknodysostosis

Tori