Answer of 50 mark for university post graduate theory exam , Question : Role of viruses in periodontal diseases . Prepare answer using the uploaded references you can add landmark and important study article appropriate and relevant for this answer.

Reading File
Now I'll extract content from all the PDFs in parallel using Python scripts:
Running Command

python3 << 'EOF' import pdfplumber import os pdfs = { "viruses_samaranayake": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/viruses related to dentistry samaranayake.pdf", "periodontal_viral": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Periodontal problems asso with viral infections.pdf", "NUP": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/NUP.pdf", } for name, path in pdfs.items(): print(f"\n{'='*60}") print(f"FILE: {name}") print(f"{'='*60}") try: with pdfplumber.open(path) as pdf: print(f"Total pages: {len(pdf.pages)}") for i, page in enumerate(pdf.pages[:20]): # first 20 pages text = page.extract_text() if text: print(f"\n--- Page {i+1} ---") print(text[:3000]) except Exception as e: print(f"Error: {e}") EOF

Running Command

python3 << 'EOF' import pdfplumber pdfs = { "lindhe_5th": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/lindhe 5th edition.pdf", "biofilm_microbiology": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Biofilm and periodontal microbiology.pdf", "lindhe_calculus": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/lindhe calculus plaque.pdf", } for name, path in pdfs.items(): print(f"\n{'='*60}") print(f"FILE: {name}") print(f"{'='*60}") try: with pdfplumber.open(path) as pdf: print(f"Total pages: {len(pdf.pages)}") for i, page in enumerate(pdf.pages[:15]): text = page.extract_text() if text: print(f"\n--- Page {i+1} ---") print(text[:2000]) except Exception as e: print(f"Error: {e}") EOF

Searching PubMed

viruses periodontal disease pathogenesis herpesviruses

Now let me extract the specific viral content from the key PDFs:
Running Command

python3 << 'EOF' import pdfplumber # Extract viruses/periodontal specific content pdfs = { "viruses_samaranayake": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/viruses related to dentistry samaranayake.pdf", "periodontal_viral": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Periodontal problems asso with viral infections.pdf", "NUP": "/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/NUP.pdf", } for name, path in pdfs.items(): print(f"\n{'='*60}") print(f"FILE: {name}") print(f"{'='*60}") try: with pdfplumber.open(path) as pdf: print(f"Total pages: {len(pdf.pages)}") # Extract ALL pages for i, page in enumerate(pdf.pages): text = page.extract_text() if text: print(f"\n--- Page {i+1} ---") print(text[:4000]) except Exception as e: print(f"Error: {e}") EOF

Reading Article

PMID: 35612796

Reading Article

PMID: 41024361

Now let me get the remaining vital content from the periodontal viral PDF (pages 11 onwards) and the NUP PDF:
Running Command

python3 << 'EOF' import pdfplumber # Get remaining pages from periodontal_viral and NUP pdfs = { "periodontal_viral_p11+": ("/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Periodontal problems asso with viral infections.pdf", 11, 42), "NUP_all": ("/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/NUP.pdf", 0, 30), } for name, (path, start, end) in pdfs.items(): print(f"\n{'='*60}") print(f"FILE: {name}") print(f"{'='*60}") try: with pdfplumber.open(path) as pdf: print(f"Total pages: {len(pdf.pages)}") for i in range(start, min(end, len(pdf.pages))): page = pdf.pages[i] text = page.extract_text() if text: print(f"\n--- Page {i+1} ---") print(text[:3500]) except Exception as e: print(f"Error: {e}") EOF

Reading Article

PMID: 30892761

Reading Article

PMID: 34463985

Running Command

python3 -c " import pdfplumber path = '/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Periodontal problems asso with viral infections.pdf' with pdfplumber.open(path) as pdf: print(f'Total pages: {len(pdf.pages)}') for i in range(10, 30): page = pdf.pages[i] text = page.extract_text() if text: print(f'--- Page {i+1} ---') print(text[:2500]) "

Running Command

python3 -c " import pdfplumber path = '/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/NUP.pdf' with pdfplumber.open(path) as pdf: print(f'Total pages: {len(pdf.pages)}') for i in range(0, min(20, len(pdf.pages))): page = pdf.pages[i] text = page.extract_text() if text: print(f'--- Page {i+1} ---') print(text[:2500]) "

Running Command

python3 -c " import pdfplumber path = '/home/daytona/workspace/attachments/ff1dbc3f-8517-4d25-b1db-50df0b702fca/Periodontal problems asso with viral infections.pdf' with pdfplumber.open(path) as pdf: for i in range(10, 25): page = pdf.pages[i] text = page.extract_text() if text: print(f'--- Page {i+1} ---') print(text[:2800]) print() " 2>&1 | head -300

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