Week 8 Flashcards
Cells__ in response to persistent stress
adapt or die
Major adaptive responses of cells to stress are
atrophy, hypertrophy, hyperplasia, metaplasia, dysplasia, and neoplasia
Major adaptive reactions of cells to stress found in the oral cavity
Hyperkeratosis
• Caused by ____
• Irritation could be _____
• what layer thickens?
• what type of response is it?
• Clinically appears as ____
• Most leukoplakias are the result of_____
• Treatment
Hyperkeratosis
What are necrotic lesions that look like leukoplakias?
Aspirin burn
Electrical burn
Chemical burn and thermal burn
Nicotine stomatitis
Trauma (physical) lesions
Hyperplasia
What it is
Cause
Appearance of oral tissue
Impact
Treatment
Hyperplasia
Metaplasia most common sequence
Is it reversible?
What is metaplasia?
Cause
Appearance
Impact
Treatment
What is dysplasia?
Occurs most commonly in ___epithelium
Shares many cytologic features with___
Is a _____lesion.
Most serious stage is termed____
Cause
Appearance microscopically
Impact
Treatment
Dysplasia
What is neoplasia?
Neoplasia
What are the causes of neoplasms? (5)
Oral cancer incidence rate, morality rate, overall fiver year survival rate, how survival rate vary by stage, survival rate compared to other cancers, delayed diagnosis contributes to___
What cancer accounts for the majority of oral cancers?
Major risk factors for oral cancer (7)
Squamous cell carcinoma
Relative risk of oral cancers from alcohol and tobacco
Impact of early detection of oral cancer on 5 year survival rates
Early detection
Late detection
Role of dental professionals
Classifications of neoplasms
