[Alveolar bone changes after initial preparation observed by subtraction radiography].
D000328:Adult; D000539:Alveolar Process / Q000000981:diagnostic imaging*; D003777:Dental Prophylaxis; D012534:Dental Scaling; D005260:Female; D005883:Gingival Crevicular Fluid; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000000981:diagnostic imaging / Q000628:therapy*; D011859:Radiography; D013382:Subtraction Technique; D014092:Tooth Root / Q000601:surgery*