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NEET MDS Quiz - Practice Test
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Practice Test

dental anatomy - 3 Questions

1
Dental Anatomy

The secretory product of odontoblasts is:

1) Topocollagen.
2) Calcium salts.
3) Mantle dentin.
4) Hydroxyapatite

📝 Explanation:


Dentinogenesis is the formation of dentin by odontoblasts of mesenchymal origin located at the periphery of the dental pulp

Dentinogenesis is initiated by the inductive influence of the enamel organ involving molecular signaling pathways, such as Wnt, Runx-2, and TGF-?. In the molar tooth, dentinogenesis starts at the late bell stage, and occurs in the crown as well as root regions.

Predentin, the first organic matrix secreted by odontoblasts, is composed by proteoglycans, glycoproteins, and collagens.

2
Dental Anatomy
The most constant and valuable trait to differentiate among maxillary first second and third molars is the 1. comparative size of the cusp of Carabelli 2. height of cusps 3. depth of central fossae 4. relative position of the distolingual groove

📝 Explanation:

The most constant and valuable trait to differentiate among maxillary first second and third molars is the depth of central fossae

3
Dental Anatomy
A mandibular primate space is usually found in the primary dentition between 1. first and second molars 2. central and lateral incisors 3. lateral incisor and canine 4. canine and first molar

📝 Explanation:

A mandibular primate space is usually found in the primary dentition between canine and first molar

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