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## Hyperplasia and Neoplasia - **Hyperplasia** - It is cells proliferation (increase number of cells) response to stimulus (chronic infection, low grade infection) - Normal cells but increased in numbers. - Hyperplasia is reversible - **Neoplasia** (tumor) is irreversible, new growth of...

## Hyperplasia and Neoplasia - **Hyperplasia** - It is cells proliferation (increase number of cells) response to stimulus (chronic infection, low grade infection) - Normal cells but increased in numbers. - Hyperplasia is reversible - **Neoplasia** (tumor) is irreversible, new growth of tissue - Uncontrolled abnormal growth of tissue - Could be benign or malignant ## Connective Tissue Hyperplasia of Oral Mucosa - Localised hyperplastic lesion of oral mucosa are common. - An essential feature of chronic inflammation occurs in this C.T hyperplasia & the process of inflammation and repair occur simultaneously and the production of granulation tissue is one of the disease process.