Podcast
Questions and Answers
What is the primary function of the sharp end of a tooth?
What is the primary function of the sharp end of a tooth?
- To grind food
- To absorb nutrients
- To soften food
- To cut food (correct)
How are the sharp ends of teeth named?
How are the sharp ends of teeth named?
- According to their texture
- According to the type of food they cut
- According to their location (correct)
- According to their size
Which term refers to the cusp towards the lingual surface of a tooth?
Which term refers to the cusp towards the lingual surface of a tooth?
- Buccal cusp
- Mesial cusp
- Lingual cusp (correct)
- Occlusal cusp
What role does the sharp end of a tooth primarily serve in the process of digestion?
What role does the sharp end of a tooth primarily serve in the process of digestion?
What happens at the sharp end of a tooth before the grinding process occurs?
What happens at the sharp end of a tooth before the grinding process occurs?
What is a feature of a ridge related to cusps?
What is a feature of a ridge related to cusps?
What characterizes a transverse ridge?
What characterizes a transverse ridge?
Which statement about triangular ridges is true?
Which statement about triangular ridges is true?
Which term describes the peaks formed by the triangular ridges of cusps?
Which term describes the peaks formed by the triangular ridges of cusps?
Which of these statements is NOT true about ridges and their formation?
Which of these statements is NOT true about ridges and their formation?
What is the starting point when identifying the cusp ridge for anterior and posterior teeth?
What is the starting point when identifying the cusp ridge for anterior and posterior teeth?
Which direction do you move after starting at the cusp tip for identifying the ridge?
Which direction do you move after starting at the cusp tip for identifying the ridge?
Which of the following terms refers to the raised area on the chewing surface of the tooth?
Which of the following terms refers to the raised area on the chewing surface of the tooth?
Which of the following correctly describes the cusp ridge movement for posterior teeth?
Which of the following correctly describes the cusp ridge movement for posterior teeth?
Which position relates to the surface closest to the tongue?
Which position relates to the surface closest to the tongue?
What term describes the deepest part of the developmental groove?
What term describes the deepest part of the developmental groove?
How are the pits named in relation to their location?
How are the pits named in relation to their location?
Which of the following is NOT a type of pit related to the developmental groove?
Which of the following is NOT a type of pit related to the developmental groove?
What is the primary factor in naming the pits within the developmental grooves?
What is the primary factor in naming the pits within the developmental grooves?
Which pit would be located at the furthest point from the center in a developmental groove?
Which pit would be located at the furthest point from the center in a developmental groove?
How many line angles do anterior teeth typically have?
How many line angles do anterior teeth typically have?
What defines a line angle in dental anatomy?
What defines a line angle in dental anatomy?
How many line angles do posterior teeth typically have?
How many line angles do posterior teeth typically have?
Which option correctly describes how line angles are named?
Which option correctly describes how line angles are named?
In terms of dental anatomy, what is the main difference between line angles of anterior and posterior teeth?
In terms of dental anatomy, what is the main difference between line angles of anterior and posterior teeth?
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Study Notes
Cusps
- The sharp end of a tooth responsible for cutting food before grinding
- Cusps are named based on their location (e.g., lingual cusp, buccal cusp)
- Triangular ridges are formed on the slopes of each side of a cusp ridge, named after the cusps they belong to (e.g., triangular ridge of the buccal cusp)
Ridges
- Transverse ridge: formed when a buccal and lingual triangular ridge join, creating a large elevation that starts on one cusp and ends on the opposite cusp
- Cusp ridge: found on anterior and posterior teeth; originates on the cusp tip and extends down to the mesial and distal side, located in the deepest part of developmental grooves
Line Angles
- A junction of two tooth surfaces, named after the two surfaces it combines
- Anterior teeth have nine line angles, while posterior teeth have eight line angles
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