Exercise 6: Human Osteology: Dentition Some Unusual Features of Human Dentition There are many interesting features found in human dentition. Some students may be familiar with impacted wisdom teeth. These are teeth that erupt at an angle. There are some examples on pages 240 and 241 in the Photographic At- las. Shoveled-shaped incisors are upper incisors that have a concavity on the inside surface of the tooth. See Figure 7.62 (page 254). Exercise 6.2 Analysis of Dental Features 66 Using the same skull as you used in the exercises on the human skull, answer the following ques- tions. Label of skull you are measuring: ? 1. What is the specific dental formula for the skull? Are any adult teeth missing? Note any other interesting features. 2. What is the shape of the dental arcade? 3. What angle do the incisors make where they are embedded in the jaw? world of an 4. How many cusps do you see on the upper premolars? The lower premolars? Is one cusp larger than the other on each tooth? Describe what you see. า 5. How many cusps do you see on the top molars? The bottom molars? What are these patterns called? ?

Exercise 6: Human Osteology: Dentition Some Unusual Features of Human Dentition There are many interesting features found in human dentition. Some students may be familiar with impacted wisdom teeth. These are teeth that erupt at an angle. There are some examples on pages 240 and 241 in the Photographic At- las. Shoveled-shaped incisors are upper incisors that have a concavity on the inside surface of the tooth. See Figure 7.62 (page 254). Exercise 6.2 Analysis of Dental Features 66 Using the same skull as you used in the exercises on the human skull, answer the following ques- tions. Label of skull you are measuring: ? 1. What is the specific dental formula for the skull? Are any adult teeth missing? Note any other interesting features. 2. What is the shape of the dental arcade? 3. What angle do the incisors make where they are embedded in the jaw? world of an 4. How many cusps do you see on the upper premolars? The lower premolars? Is one cusp larger than the other on each tooth? Describe what you see. า 5. How many cusps do you see on the top molars? The bottom molars? What are these patterns called? ?