Table 1 Cherubism grading system according to Motamedi (1998) and Raposo-Amaral (2007)
|
Grade I Lesions of the mandible without signs of root resorption | Class 1 | solitary lesion of the mandibular body |
|---|---|---|
| Class 2 | multiple lesions of the mandibular body | |
| Class 3 | solitary lesion of the ramus | |
| Class 4 | multiple lesions of the rami | |
| Class 5 | lesions involving the mandibular body and rami | |
|
Grade II Lesions involving the mandible and maxilla without signs of root resorption | Class 1 | lesions involving the mandible and maxillary tuberosities |
| Class 2 | lesions Involving the mandible and anterior maxilla | |
| Class 3 | lesions involving the mandible and entire maxilla | |
|
Grade III Aggressive lesions of the mandible with signs of root resorption | Class 1 | solitary lesion of the mandibular body |
| Class 2 | multiple lesions of the mandibular body | |
| Class 3 | solitary lesion of the ramus | |
| Class 4 | multiple lesions of the mandibular rami | |
| Class 5 | lesions involving the mandibular body and rami | |
|
Grade IV Lesions involving the mandible and maxilla and showing signs of root resorption | Class 1 | lesions involving the mandible and maxillary tuberosity |
| Class 2 | Lesions involving the mandible and anterior maxilla | |
| Class 3 | lesions involving the mandible and entire maxilla | |
|
Grade V The rare, massively growing, aggressive, and extensively deforming juvenile cases involving the maxilla and mandible, and may include the coronoid and condyles | ||
|
Grade VI The rare, massively growing, aggressive, and extensively deforming juvenile lesions involving the maxilla, mandible and orbits |