It causes distortion of surrounding areas but is usually a painless growth, at least initially. The benign cementoblastoma is a truer odontogeny tumor caused by cement according the last classification of oms. Cementoblastomas are rare benign odontogenic tumors. The clinical, radiographic, and histopathologic features of a case of benign cementoblastoma are. Cementoblastoma benign cementoblastoma is a rare condition that develops in the cementum of the tooththe calcified substance that protects the root.
Eventually a cementoblastoma may become visible and distort the appearance of the face. The mandibular first permanent molar is the most frequently affected tooth. Recently the benign cementoblastoma is included into mesenchyme andor odontogenic ectomesenchyme, with or without odontogenic epithelium odontogenic tumours 7. Its characterized by proliferation of cementumlike tissue and in almost all cases tends to be associated with an erupted permanent tooth, most often the first mo lar. The benign cementoblastoma also called as true cementoma. Cementoblastoma associated with the primary second molar. Cementoblastoma is a benign ectomesenchymal odontogenic tumor characterized by the formation of cementum mass continuous with the tooth root, preferentially a permanent mandibular first molar. Benign cementoblastoma is an odontogenic tumor of mesenquimal origin.
Rare presentation of cementoblastoma associated with the. The patient underwent tc dental scan of the mandible, which highlighted the presence of three wellcircumscribed, round, unilocular. These tumors primarily affect young adults in the second and third decades of life, with approximately onehalf occurring under the age of 20 years and approximately three quarters occurring under the age of 30 years 2 5. Dull pain is often the only symptom of the growth, or you might not notice any symptoms at all. The cementoblastoma is a benign odontogenic tumor of ectomesenchymal origin that preferentially affects the roots of. In other cases, their relationship to teeth clinical pathology. Cementoblastoma, or benign cementoblastoma, is a relatively rare benign neoplasm of the cementum of the teeth. Appropriate treatment consists of the surgical removal, and early di agnosis favors a more conservative surgery with the pos sibility of preservation of the involved teeth. Cementoblastoma or true cementoma is considered to be a benign odontogenic neoplasm originating from the tooth mesenchyme. It usually affects young people and is located in the posterior jaw. True cementoma, benign cementoblastoma, odontogenic tumors summary. The benign cementoblastoma, which generally occurs in young persons, comprises less than 1%.
It is a benign tumor that is characterized by proliferation cementumlike. This is a case of cementoblastoma which has shown an unusual local aggressiveness causing lingual cortical plate perforation, which is a rare presentation of this lesion. We present a rare case of radiopaque lesion with radiolucent rim in the right body of mandible, with history of extraction of involved tooth, which made diagnosis confusing unless preextraction intraoral periapical radiography radiograph was recovered, finally diagnosed as benign cementoblastoma. According to the world health organization, cementoblastoma is classified as a true cemental neoplasm. Benign cementoblastoma bc is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementumlike tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth. The benign cementoblastoma is an odontogenic tumor originated from neoplastic cementoblasts, a rare lesion mainly associated to impacted and deciduous teeth. Benign cementoblastoma is a rare odontogenic tumor characterized by the formation of a mass of cementum or cementumlike tissue attached to the roots of a. The mandible however, is involved three times more frequently than maxilla. The slow, expansive and constant growth that characterizes these. Pdf we present a rare case of radiopaque lesion with radiolucent rim in the right.
This tumor is characterized by the formation of an expansive mass of cementumlike tissue intimately associated to the root of a tooth. At least 50% of the reported cases occurred in patients. The patient is currently free of any recurrence 3 years after surgery, and followup plain radiography showed. It is an uncommon lesion accounting for less than 1% of odontogeny tumors. Cementoblastoma is a rare benign lesion that represents less than 1% of all odontogenic tumours. Cementoblastomas have been previously described in the literature as cementomas, true cementomas, sclerosing cementomas, periapical fibroosteoma, and periapical fibrous dysplasia 3,4 although cementoma is only mentioned as periapical cementoma, a type of osseous dysplasia in the 2005 who histological classification of odontogenic tumors 5. We present an unusual case of a large cementoblastoma that affected the right mandibular body, extending from the first. Benign cementoblastoma true cementoma sciencedirect. Pdf a rare case of benign cementoblastoma of mandible. A rare case of benign aggressive cementoblastoma johny j. The dentist redid the original endodontic treatment and surgically removed the lesion, leaving the involved. The case of a 23yearold with a benign cementoblastoma is presented.
The world health organization has classified benign cementoblastoma and cementifying fibroma as the only true cemental neoplasms. Cementoblastoma can occur in both maxilla and the mandible. Cementoblastomas true cementomas in domestic animals are rare, with just a few reports in ruminants, monogastric herbivores and rodents. It most commonly affects the permanent mandibular molars. The lesion manifested as a round, radiopaque mass attached to the root of the left first molar of the mandible. The benign cementoblastoma was first described by dewey in 1927.
Benign cementoblastoma is a rare ectomesenchymal odontogenic tumor that originates from the root of the tooth and that is characterized by the formation of cementumlike tissue. Benign cementoblastoma is a rare lesion representing less than 1% of all odontogenic tumours. Cementoblastoma is a rare benign odontogenic tumor that accounts for less than 1% of all odontogenic tumors 2, 3. Benign cementoblastoma true cementoma in a cat lenin a. The authors suggest that in certain cases, it may be possible to remove benign cementoblastomas affecting molars without extracting the. Also called true cementoma, benign osteoblastoma men and women less than 25 years old benign, may stop growing as a heavily calcified jaw nodule, may recur if excised. Benign cementoblastoma medigoo health tests medical. Approximately 50 percent of the patients experiencing symptoms of this condition are under 20 years. This report presents an unusual case of benign cementoblastoma in a 31yearold female, presenting as a densely mineralized mass seen at the apex of the impacted right mandibular canine tooth on. Histologically, it is a neoplasm characterized by the formation of sheets of cementumlike tissue. The dentist redid the original endodontic treatment and surgically removed the lesion, leaving the involved tooth intact.
Ct and mr findings and histomorphologic evaluation. The pathologic processes in italics refer to case 1. Although this neoplasm is rare, the dental practitioner should be aware of the clinical features that will lead to its early diagnosis and treatment. Benign cementoblastoma is a rare benign odontogenic tumour of mesenchymal origin.
The slow, expansive and constant growth that characterizes these masses may be accompanied by signs of oral discomfort and dysphagia. The cementoblastoma has been classified as a benign tumor of odontogenic origin derived from ectomesenchyme. Surgical treatment of cementoblastoma associated with. The benign cementoblastoma is a relatively rare odontogenic neoplasm of the jaws and was first described by dewey 1 in 1927. As regards the histological perspective, the cementoblastoma resembles osteosarcoma, or benign osteoblastoma due to the. The diagnosis of cementoblastoma was verified by the histologic assessment. The lesion is considered as the only true neoplasm of cementum origin 2. A free application to browse and search the journals content is now. Benign cementoblastoma is a rare odontogenic tumor characterized by the formation of a mass of cementum or cementumlike tissue attached to the roots of a tooth. The tooth was extracted and the lesion was removed.
Cementoblastoma or benign cementoblastoma is the only true benign neoplasm of cementum origin derived from mesenchyme. It shows an unlimited growth potential and a recurrence rate as high as 37. Cementoblastoma or true cementoma is a rare benign mesenchymal odontogenic tumor arising from cementoblasts. Cementoblastoma, or benign cementoblastoma, is a relatively rare benign neoplasm of the. True cemental neoplasms may be classified into 4 categories. True cementoma, also known as benign cementoblastoma, is a very rare and benign odontogenic neoplasm that origins from the mesenchymal tissue.
It is usually observed as a benign spherical mass of hard tissue fused to the root of a tooth. Cementoblastoma affecting mandibular first molar a case. A 60year old man was referred to us complaining of pain in his right jaw. A diagnosis of benign cementoblastoma was made microscopically. Benign cementoblastoma bc is a relatively rare odontogenic neoplasm characterized by the formation of a mass of cementumlike tissue connected to the root of a tooth. In many cases their relationship to the teeth is fairly clearcut, both histologically and radiographically. Benign cementoblastoma is a rare odontogenic neoplasm of mesenchymal origin. Surgical treatment of cementoblastoma associated with apicoectomy and endodontic therapy. Benign cementoblastoma or true cementoma is a slowgrowing, benign odontogenic tumor arising from cementoblasts. The patient was informed and signed a term of free and informed consent in order to approve the publication of this.
It is derived from ectomesenchyme of odontogenic origin. If left untreated, however, a cementoblastoma can keep growing. Benign cementoblastoma ghom ag, meshram v, diwe a, kolte v. Odontogenic and nonodontogenic tumors of the jaws m. We present a case of benign tumor cementoblastoma associated with the root apex. It was surgically managed, with no recurrence of the lesion more than 2 years of followup. Benign cementoblastoma is a rare, benign tumor of odontogenic. Cementoblastoma, in the current world health organization who classification of odontogenic tumors, is in the category of tumors of mesenchyme andor odontogenic ectomesenchyme with or without odontogenic epithelium. It usually occurs under the third decade with a predominancy for the posterior permanent teeth of the mandibula. Benign cementoblastoma involving deciduous and permanent. A slow growing neoplasm composed mostly of cementum.
In the past the benign cementoblastoma was recognized in the world health organization s classification of odontogenic tumours as one of the cementoma neoplasias 3. Complementary laboratory test were performed, as well as, radiological evaluation and excisional biopsy. The world health organization classified benign cementoblastoma and cementifying fibroma as the only true cemental neoplasms. Benign cementoblastoma is a relatively rare odontogenic neoplasm characterized by the formation of a mass of cementumlike tissue, connected to the root of the tooth. The cementoblastoma is a rare benign odontogenic lesion, and reports of cases documented represent a large part of the information with regard to therapeutic conduct2,3,8.
Benign cementoblastoma true cementoma gorait anneroth, goran isacsson, and ake sigurdsson, stockholm, sweden departments of oral pathology, oral surgery, and medical physics, karolinska institutet benign cementoblastoma is a rare. Cementoblastoma is a long name for a certain rare, benign growth that appears on the root of a tooth. Most patients initially present with mild pain and bony swelling in the area of the lesion. Cementoblastoma is a benign odontogenic neoplasm accounting for less than 0. It affects mostly young people with an average age of 20 years old, and its preferred location is in the posterior region of the mandible.
Cementoblastoma is a benign tumor with a low recur rence rate but unlimited growth potential. Cementoblastomas definition of cementoblastomas by. Surgical treatment of cementoblastoma in maxillary associated on. Benign cementoblastoma free full text articles from. Cementoblastoma is derived from ectomesenchyme of odontogenic origin.
Diagnosis of this lesion must be made by association of clinical, radiographic and histopathological methods9,10. It is found most commonly in the mandible in the region of the lower molar teeth, occurring between the ages of 8 to 30 in both sexes with equal frequency. Diagnosis of these lesions must be made by an association of clinical, radiographic, and. Cementoblastoma is considered a benign tumor that arises from the tooth root. Cementoblastoma is currently ranked by the world health organization as an odontogenic mesenchyme or ectomesenchyme tumor, with or without involvement of the odontogenic epithelium 1. In 1927 dewey1 was the first to report a benign cementoblastoma, which is a relatively rare odontogenic neoplasm of the jaws and is the only true neoplasm of cementum origin. The treatment of benign cementoblastoma consists of removal of the lesion and extraction of the affected tooth. Cementoblastoma are distinctive but relatively uncommon tumors.