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Friday, 20 September 2013

Tooth Morphology

Questions
Answers
Well developed tubercle arises from
A supplemental lobe
Bunodont means teeth having
It refers to the teeth bearing cone shaped cusps.
Bunodont bearing animals are unable to
Laterally deviate their jaws
Odontoblast produce large amount of secondary dentin in the
Floor and roof of the chamber
The smallest occlusal embrasures in the permanent dentition are those seen between
Central incisors
Incisal ridge includes the
Complete incisal surface; Labioincisal edge; Linguoincisal edge
In the permanent maxillary central incisors developmental grooves are generally seen in the
Palatal surface and They are seen in the palatal fossa.
In permanent mandibular incisors from the incisal aspect, the incisal ridge is _________ to the line bisecting the root.
Lingual
From the proximal aspect of a permanent maxillary canine, the line bisecting the cusp will be ________ to the line bisecting the root.
Labial
The root apex with a mesial tilt is often the
Mandibular canine

Wednesday, 18 September 2013

Tooth Morphology

Questions
Answers
Oblique ridge may be seen in 
Deciduous maxillary first molar; Deciduous mandibular first molar; Deciduous maxillary second molar
Disto-occlusal groove is a feature of the deciduous 
Maxillary first molar
The crown of deciduous maxillary second molar as compared to the deciduous maxillary first molar is
Larger
As compared with the deciduous maxillary first molar, the distopalatal cusp of deciduous maxillary second molar is
Well developed. It is opposite in the permanent dentition.
Lingual developmental groove is not commonly observed in deciduous 
Maxillary first molar
Usually in the deciduous mandibular first molar, the mesiobuccal and distobuccal cusp are separated by a
Developmental depression
The sudden appearance of spaces between anterior teeth in children of 4 to 5 years of age is due to
Growth of jaws
The interproximal space between healthy teeth is
Triangular in shape. It is filled by a triangular shaped marginal gingiva called as interdental papilla.
From incisal aspect the incisal ridge of an anterior tooth is _________ over to the root.
Centered
Labial developmental grooves are often a feature of
Permanent maxillary central incisor