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प्रश्न
What is dental plaque?
टिप्पणी लिखिए
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उत्तर
Dental plaque is a sticky, colourless or pale yellow film that constantly forms on your teeth. It is a mixture of naturally occurring mouth bacteria, saliva, and tiny food particles.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Life Processes - Exercise 1 [पृष्ठ ३६]
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