The signs of HIV in the mouth are as below:
Dry Mouth and Tooth Decay
Candidiasis (thrush)
Canker sores (apthous ulcers)
Cold sores (herpes simplex)
Gum disease (periodontitis)
Hairy leukoplakia
Kaposi’s Sarcoma
Enlarged saliva glands
Shingles (herpes zoster)
Oral warts (human papillomavirus):
Other than that you will notice:
Swollen lymph nodes on the side of the neck or under jaw: Swollen lymph nodes on the side of the neck or under jaw are the most common. They may represent an infection around that area, such as a tooth infection or abscess, throat infection, viral illness, or upper respiratory infection