Mandibular Lateral Incisors Flashcards
When do the mandibular lateral incisors…
calcify
erupt
root complete
calcify- begins around 4 months
erupt- 7-8yrs old
root completion: 10yrs old
Compared to mn centrals, mn lateral incisors are __________.
larger
The ______ lobe is more developed on mn lateral incisors than mn central incisors.
distal
FACIAL VIEW: where is the height of contour?
cervical 1/3rd
FACIAL VIEW: which incisal angle is more rounded, mesial or distal?
distal
FACIAL VIEW: where is the mesial proximal contact?
incisal 1/3rd
FACIAL VIEW: where is the distal proximal contact?
incisal 1/3rd *slightly more cervical than mesial contact
LINGUAL VIEW: the cingulum on mn laterals incisors is more or less developed than on mn centrals
more developed *still barely visible
LINGUAL VIEW: the marginals ridges of mn laterals incisors are _______ developed than that of mn centrals.
more
LINGUAL VIEW: the lingual fossa on mn laterals incisors are _______ than those seen on mn centrals.
deeper
LINGUAL VIEW: the cingulum offsets toward the….
distal
MESIAL/DISTAL VIEW: which surface is more rounded, mesial or distal?
distal
MESIAL/DISTAL VIEWS: which surface is shorter inciso-gingivally, mesial or distal
distal
MESIAL/DISTAL VIEWS: the cervical line curves less on the _______.
distal
INCISAL VIEW: mn lateral incisors look ______ on its base.
twisted *due to cingulum being displaced distally
