MDS PREP
The secretory product of odontoblasts is:
1. Topocollagen. 2. Calcium salts.
3. Mantle dentin. 4. Hydroxyapatite
Dental Anatomy
Answer: 3
Which of the following is the first formed
portion of the dentin?
1. Circumpulpal
2. Intertubular
3. Transparent
4. Mantle
Dental Anatomy
Answer: 4
Mandibular premolars differ from maxillary premolars in that, mandibular premolars have all of the following characteristics, except
1. have crowns much more rounded and lingual cusp not so strongly developed.
2. have roots much less flattened mesiodistally and seldom bifurcated
3. they are wider mesiodistally
4. have crowns tilted to the lingual in relation to the long axis of the root
Dental Anatomy
Answer: 3
Approximately what percentage of root ca is completed at the time the tooth erupts?
1. 25
2. 50
3. 75
4. 90
Dental Anatomy
Answer: 2
How many pulp horns are usually present in a typical primary mandibular first molar?
1. 1
2. 2
3. 3
4. 4
Dental Anatomy
Answer: 4
Specific gravity of enamel is:
1) 1.9
2) 2.2
3) 2.5
4) 2.8