1. Cavity: missing tooth structure. A cavity may be due to decay, erosion or abrasion. If caused by caries; also referred to as carious lesion. (பற்களில் ஏற்படும் குழி)
2. Abscess: acute or chronic localized inflammation, probably with a collection of pus, associated with tissue destruction and, frequently, swelling; usually secondary to infection. ( கட்டி, வீக்கம்)
3. Decay: decomposition of tooth structure. (சிதைவு)
4. Enamel: hard calcified tissue covering dentin of the crown of tooth. (பற்கள் மேலுள்ள ஒருவித கணிமபூச்சு)
5. Incisor: a tooth for cutting or gnawing; located in the front of the mouth in both jaws. ( வெட்டுப்பல்)
6. Molar: teeth posterior to the premolars (bicuspids) on either side of the jaw; grinding teeth, having large crowns and broad chewing surfaces. (கடைவாய்ப்பல்)
7. Scurvy: a disease caused by a deficiency of vitamin C, characterized by swollen bleeding gums and the opening of previously healed wounds (வைட்டமின் C குறைபாட்டினால் வரும் ஒருவகை பல்நோய். ஈறுகளில் இரத்தம் வரும்)
8. Plaque: a soft sticky substance that accumulates on teeth composed largely of bacteria and bacterial derivatives. (பற்படலம்)
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