Cementoblastoma, or benign cementoblastoma, is a relatively uncommon benign

Benign

A benign tumor is a tumor that lacks the ability to metastasize. Common examples of benign tumors include moles and uterine fibroids.The term "benign" implies a mild and nonprogressive disease. Indeed, many kinds of benign tumors are harmless to human health...

 neoplasm of the cementum

Cementum

Cementum is a specialized calcified substance covering the root of a tooth. Cementum is excreted by cells called cementoblasts within the root of the tooth and is thickest at the root apex. These cementoblasts develop from undifferentiated mesenchymal cells in the connective tissue of the dental...

 of the teeth.

Clinical features

Cementoblastoma usually occurs in people under the age of 25, often involving the mandibular molars

Molar (tooth)

Molars are the rearmost and most complicated kind of tooth in most mammals. In many mammals they grind food; hence the Latin name mola, "millstone"....

 or premolars. The involved tooth usually has a vital pulp

Pulp (tooth)

The dental pulp is the part in the center of a tooth made up of living connective tissue and cells called odontoblasts.- Anatomy :Each person can have a total of up to 52 pulp organs, 32 in the permanent and 20 in the primary teeth....

. It is attached to the tooth root and may cause its resorption, may involve the pulp canal

Root canal

A root canal is the space within the root of a tooth. It is part of a naturally occurring space within a tooth that consists of the pulp chamber , the main canal, and more intricate anatomical branches that may connect the root canals to each other or to the surface of the root.-Root canal anatomy:...

, grows slowly, tends to expand the overlying cortical plates, and, except for the enlargement produced, is usually asymptomatic.

Radiographic features

A cementoblastoma in a radiograph appears as a well-defined, markedly radiopaque mass, with a radiolucent peripheral "line", which overlies and obliterates the tooth root. There is usually apparent external resorption of the root where the tumor

Tumor

A tumor or tumour is commonly used as a synonym for a neoplasm that appears enlarged in size. Tumor is not synonymous with cancer...

 and the root join. Severe hypercementosis

Hypercementosis

Etiology of Hypercementosis can be caused by many things. A way to remember the causes is "PIG ON TAP" -PagetsIdiopathicGigantismOccusal TraumaNon functional toothTraumaAcromegliaPeriapical granuloma...

 and chronic

Chronic (medicine)

A chronic disease is a disease or other human health condition that is persistent or long-lasting in nature. The term chronic is usually applied when the course of the disease lasts for more than three months. Common chronic diseases include asthma, cancer, diabetes and HIV/AIDS.In medicine, the...

 focal sclerosing

Demyelinating disease

A demyelinating disease is any disease of the nervous system in which the myelin sheath of neurons is damaged. This impairs the conduction of signals in the affected nerves, causing impairment in sensation, movement, cognition, or other functions depending on which nerves are involved.The term...

 osteomyelitis

Osteomyelitis

Osteomyelitis simply means an infection of the bone or bone marrow...

 are lesions to consider in the diagnosis

Diagnosis

Diagnosis is the identification of the nature and cause of anything. Diagnosis is used in many different disciplines with variations in the use of logics, analytics, and experience to determine the cause and effect relationships...

.

Treatment

Surgical

Surgery

Surgery is an ancient medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, or to help improve bodily function or appearance.An act of performing surgery may be called a surgical...

excision of the lesion is done, and depending upon the clinical circumstances, this may or may not involve removal of the involved tooth.