ThePeriodontitisor periodontal diseaseorpyorrhea,is a bacterial infectionthat attacks theperiodontium,whichis formed fromthe gums,boneand other tissuessupporting the teeth.
The prosthesis isthe branch of dentistrythatdeals with the recoveryofdental elementsseverely compromised,andthe restorationof the correctmorphologyandocclusal relationshipof the arches.