WorksheetsTooth Development Quiz
Total questions: 15
Worksheet time: 8mins
Which of the following is not part of the tooth germ?
Dental papilla.
Dental follicle.
Dental lamina.
Enamel organ.
The dental follicle:
Is an epithelial structure.
Give rise to the radicular pulp.
Is not present in permanent teeth.
give rise to cementum.
The development of the root begins when
The inner and outer dental epithelium reaching the future C.E.J
The crown is completely formed
The development of the supporting bone begins
The development of the periodontal ligament begins.
Which of the following is not true of Hertwig's epithelial root sheath?
It lacks a stellate reticulum.
It is derived from stomodeal ectoderm.
Its remnants form epithelial rests.
It remains intact until a layer of cementum has been formed.
The dental follicle gives rise to:
Cementoblasts and periodontal ligament.
Periodontal ligament and dental pulp.
Dental pulp and attachment epithelium.
Odontoblasts and Cementoblasts.
Which statement about early dental development is incorrect?
Cap stage is accomplished by unequal growth in different parts.
In the cap stage the inner and outer enamel epithelial cells are completely alike.
The transition from cap stage to bell stage is particularly marked by the full differentiation of stellate reticulum.
The dental papilla and the dental sac develop in the cap stage.
Primary epithelial band is formed due to
Increased proliferative activity of epithelial cells
Change in the orientation of mitotic spindles
Change in the cleavage plane of dividing cells
Both b & c
The epithelial component of the tooth germ is known as:
Dental lamina.
Dental papilla.
Enamel organ.
Dental follicle.
Which of the following is associated with an erupted tooth?
Outer Enamel epithelium.
Cervical loop.
Epithelial rests of Malassez.
Stratum intermedium.
According to universal system right upper second molar is written as
2
12
7
7
Anterior teeth have ___ point angles
3
4
5
6
Linear ridges which descend from the tips of cusps of posterior teeth toward the central area of the occlusal surface is called
Triangular ridge
Cusp ridge
Transverse ridge
Oblique ridge
Oblique ridge extends from
Mesiobuccal to distolingual cusp
Mesiolingual to distobuccal cusp
Towards the central groove
None of the above
Permanent molars have _____ developmental lobes
3-4
4-5
5-6
None of the above
Mesial and distal surfaces of maxillary posterior teeth are roughly
Trapezoidal
Rhomboidal
Triangular
Rectangular
