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Questions and Answers
What does Class I of the Seibert classification indicate?
What does Class I of the Seibert classification indicate?
- Apicocoronal loss of tissue with normal buccolingual contour
- Buccolingual loss of tissue contour with a normal apicocoronal height (correct)
- Normal height and width deformity
- A combination of buccolingual and apicocoronal loss
What does Class II of the Seibert classification indicate?
What does Class II of the Seibert classification indicate?
- Apicocoronal loss of tissue with normal buccolingual contour (correct)
- Buccolingual loss of tissue contour
- Normal apicocoronal height
- A combination of buccolingual and apicocoronal loss
What does Class III of the Seibert classification indicate?
What does Class III of the Seibert classification indicate?
- Minimal height and width deformity
- Buccolingual loss of tissue contour
- A combination of buccolingual and apicocoronal loss (correct)
- Apicocoronal loss of tissue
Ridge described according to the depth of loss: Mild is defined as less than ___ mm.
Ridge described according to the depth of loss: Mild is defined as less than ___ mm.
Ridge described according to the depth of loss: Moderate is defined as ___ to ___ mm.
Ridge described according to the depth of loss: Moderate is defined as ___ to ___ mm.
Ridge described according to the depth of loss: Severe is defined as greater than ___ mm.
Ridge described according to the depth of loss: Severe is defined as greater than ___ mm.
What is Class N in the Seibert classification?
What is Class N in the Seibert classification?
What is the most common ridge deformity?
What is the most common ridge deformity?
What is the second most common ridge deformity?
What is the second most common ridge deformity?
What is the least common ridge deformity?
What is the least common ridge deformity?
Study Notes
Seibert Classification of Ridge Deformities
- Class I: Characterized by buccolingual tissue contour loss while maintaining normal apicocoronal height.
- Class II: Defined by apicocoronal tissue loss with preserved buccolingual contour.
- Class III: Involves a combination of both buccolingual and apicocoronal tissue loss.
Ridge Loss Depth
- Mild ridge loss: Less than 3 mm in depth.
- Moderate ridge loss: Depth ranging from 3 to 6 mm.
- Severe ridge loss: Greater than 6 mm in depth.
Normal Ridge Condition
- Class N: Describes a normal ridge with minimal height and width deformity; occurs in 9% of edentulous ridges.
Prevalence of Ridge Deformities
- Most common ridge deformity: Class III, which accounts for 56% of all edentulous ridges, exhibiting significant height and width deformity.
- Second most prevalent: Class I, representing 32% of edentulous ridges, features minimal height effect and a significant width deformity.
- Least common deformity: Class II, accounting for only 3% of edentulous ridges, shows significant height deformity with minimal width deformity.
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Description
This quiz focuses on the Seibert classification system for ridge deformities in oral health. It covers different classes based on the loss of tissue contour and height. Test your knowledge on the definitions and characteristics of each class.
