A is the correct answer because saliva cannot be infected and HIV can't travel through skin.
Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
For the most serious cases it may be necessary to use medication (antibiotics) or even surgery to reduce periodontal pockets. After finishing the teeth removal and a new dental prosthesis.
The options that the dentist has to heal the patient's teeth are total removal of the teeth or the use of porcelain lenses.
<h3>What is Advanced Periodontal Disease?</h3>
Advanced periodontitis is a popular term given to common periodontal disease that is already in an advanced stage. This is when bone loss already exposes most of the roots of some teeth and other signs such as tooth mobility and the loss of some teeth can also appear.
With this information, we can conclude that for the most serious cases it may be necessary to use medication (antibiotics) or even surgery to reduce periodontal pockets. After finishing the teeth removal and a new dental prosthesis.
Learn more about periodontitis in brainly.com/question/27960012
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