Adult Dental Plaque Dental Scaling Female Gingival Diseases Granuloma, Giant Cell Humans Mononuclear stromal cells Oral Surgical Procedures Pregnancy Pregnancy Complications Root Planing Treatment Outcome adult case report dental scaling female giant cell granuloma gingiva disease human multinucleated giant cells myeloid tumor oral surgery pathology peripheral giant cell granuloma pregnancy pregnancy complication procedures root planing tooth plaque