test 4 Flashcards
1
Q
what is the approximate age of eruption for max. and mand. central incisors (permanent)
A
max: 7-8
mand: 6-7
2
Q
what is the approximate age of eruption for max. and mand. lateral incisors (permanent)
A
max: 8-9
mand: 7-8
3
Q
what is the approximate age of eruption for max. and mand. canines (permanent)
A
max: 11-12
mand: 9-10
4
Q
for PRIMARY dentition period:
- what is the approx. time span
- what teeth mark the start of the period
- what dentition is present
- growth of jaws
A
- 6mon-6years
- eruption of primary mandibular central incisors
- primary only
- beginning
5
Q
for MIXED dentition period:
- what is the approx. time span
- what teeth mark the start of the period
- what dentition is present
- growth of jaws
A
- 6years-12years
- eruption of permanent mandibular first molar
- primary AND permanent
- fastest and most noticeable
6
Q
for PERMANENT dentition period
- what is the approx. time span
- what teeth mark the start of the period
- what dentition is present
- growth of jaws
A
- after 12 years
- shedding of the last primary tooth
- usually just permanent
- slows down and eventually stops/slowest and least noticeable
7
Q
when do PRIMARY max. and mand. central incisors erupt and shed
A
max: 10 months (8-12); sheds at 6-7 years
mand.: 8 months (6-10); sheds at 6-7 years
8
Q
when do PRIMARY max. and mand. lateral incisors erupt and shed
A
max.: 11 months (9-13); 7-8 years
mand: 13 months (10-16); 7-8 years
9
Q
when do PRIMARY max. and mand. canines erupt and shed
A
max: 19 months (16-22); 10-12 years
mand: 20 months (17-23); 9-12 years
10
Q
- permanent MANDIBULAR canines erupt ______ the max canines
- the lingual surface of the mand canine is ____ and has a less developed _____
- the ____ outline is shorter than the _____ outline (same for max canine)
- which has a shorter root? max or mand canine
- which cusp slope is shorter on a mand canine
- what are the features on the lingual surface of a mand canine
- does the mand canine have lingual pits or grooves
- the cusp tip is more ________ inclined without incisal wear; unlike the ______ inclined max canine cusp tip
- the CEJ curvature is more drastic on the _____ side
- which marginal ridge is longer
A
- permanent MANDIBULAR canines erupt BEFORE the max canines
- the lingual surface of the mand canine is SMOOTHER and has a less developed CINGULUM
- the DISTAL outline is shorter than the MESIAL outline (same for max canine)
- which has a shorter root? max or mand canine? MANDIBULAR CANINES HAVE A SHORTER ROOT
- which cusp slope is shorter on a mand canine? THE MESIAL CUSP SLOPE IS SHORTER ON BOTH MAX AND MAND CANINES.
- what are the features on the lingual surface of a mand canine? LINGUAL RIDGE, MESIAL/DISTAL MARGINAL RIDGES, TWO LINGUAL FOSSAE
- does the mand canine have lingual pits or grooves. RARELY
- the cusp tip is more LINGUALLY inclined without incisal wear; unlike the LABIALLY inclined max canine cusp tip
- the CEJ curvature is more drastic on the MESIAL side
- which marginal ridge is longer? MESIAL
11
Q
- the PERMANENT MAXIALLARY CANINES erupt at what age? is it before or after the mand. canines.
- the long root has a ______ apex.
- the _______ placed cingulum is more developed and larger than the __________ of the same arch. why is this beneficial?
- the cusp tip is _______ on a max canine.
- the marginal ridges and lingual ridges are more ____ on a max canine
- the _________ ridges are on each side of the cingulum
- how many fossa are on the lingual surface
- the cingulum and incisal half of the lingual surface are sometimes separated by a _________ which may contain a _________
- the CEJ curve is higher on the __________
- the _________ form a nearly straight line. The ____ marginal ridge is longer than the ______ marginal ridge.
A
- the PERMANENT MAXIALLARY CANINES erupt at what age? is it before or after the mand. canines. MAX CANINE ERUPT 11-12 YEARS. AFTER MAND.
- the long root has a BLUNT apex.
- the CENTERED cingulum is more developed and larger than the CENTRAL INCISOR of the same arch. why is this beneficial? MAKES THE TOOTH STRONG DURING MASTICATION
- the cusp tip is SHARPER on a max canine.
- the marginal ridges and lingual ridges are more PROMINENT on a max canine
- the MARGINAL ridges are on each side of the cingulum
- how many fossa are on the lingual surface. 2; MESIOLINGUAL AND DISTOLINGUAL FOSSAE
- the cingulum and incisal half of the lingual surface are sometimes separated by a LINGUAL GROOVE which may contain a LINGUAL PIT
- the CEJ curve is higher on the MESIAL
- the CUSP SLOPES form a nearly straight line. The MESIAL marginal ridge is longer than the DISTAL marginal ridge.
12
Q
- When do MANDIBULAR lateral incisors erupt? before or after the mand centrals?
- the _________ appears twisted _____ on a lateral mand. incisor
- the ___________ angle is sharper than the ________ angle
- the cingulum lies where
- on the lingual surface, both the mesial _____ and sital one are more developed than on a mand. central incisor, the _______is longer than the ______-
- a single _____ is present on the lingual surface of the tooth
- a ________ is rarely present on the mand lateral incisor but its more common than on a mand. central
- the _____ curvature is greater on the mesial than the distal
- crown lacks bilateral _________ unlike the ________
- single root with pronounced ___________ esp on the distal
A
- When do MANDIBULAR lateral incisors erupt? before or after the mand centrals? ERUPT BETWEEN 7-8, AFTER
- the CROWN appears twisted DISTALLY on a lateral mand. incisor
- the MESIOINCISAL angle is sharper than the DISTOINCISAL angle
- the cingulum lies where; DISTALLY PLACED
- on the lingual surface, both the mesial MARGINAL RIDGE and distal one are more developed than on a mand. central incisor, the MESIAL longer than the DISTAL
- a single LINGUAL FOSSA is present on the lingual surface of the tooth
- a LINGUAL PIT is rarely present on the mand lateral incisor but its more common than on a mand. central
- the CEJ curvature is greater on the mesial than the distal
- crown lacks bilateral SYMMETRY unlike the MAND. CENTRALS
- single root with pronounced ROOT CONCAVITIES esp on the distal
13
Q
- when do permanent mandibular central incisors erupt; before or after the max centrals
- how many maxillary arch antagonists does the mand. central have
- the crown is ________
- the crown is more _______ on the lingual surface
- describe the cingulum
- the lingual fossa is __________
- the mesial and distal _________ have the same length
- the ____ curvature is higher incisively on the ______-
- the ________ is usually at a right angle or perpendicular to the labiolingual axis of the crown AND is _______ to the long axis of the root
- t/f mand central incisors are the smallest teeth in the mand. arch
A
- when do permanent mandibular central incisors erupt; before or after the max centrals. ERUPT BETWEEN 6-7, BEFORE
- how many maxillary arch antagonists does the mand. central have; ONE
- the crown is SYMMETRICAL
- the crown is more NARROW on the lingual surface
- describe the cingulum; CENTERED
- the lingual fossa is SHALLOW, BARELY NOTICABLE
- the mesial and distal MARGINAL RIDGES have the same length
- the CEJ curvature is higher incisively on the MESIAL
- the INCISAL RIDGE is usually at a right angle or perpendicular to the labiolingual axis of the crown AND is LINGUAL to the long axis of the root
- t/f mand central incisors are the smallest teeth in the mand. arch; TRUE
14
Q
- when do max laterals erupt, before or after max centrals
- the _______ has the greatest degree of variation
- describe the cingulum
- the lingual fossa is ____ than the max central
- the mesial and distal marginal ridges are quite _______. the ____ is longer though.
- the __________ ridge is well developed and noted from a lingual view
- the lingual pit is more ______ on a lateral than a central
- the linguogingival groove is more common on a lateral than a central. it originates in the ____ and extends ____ and slightly distal onto the cingulum and possibly the root surface
- the CEJ is more curved on the ____
- the __________ is labial to the long axis of the tooth
A
- when do max laterals erupt, before or after max centrals. ERUPT BETWEEN 8-9, AFTER
- the CROWN has the greatest degree of variation
- describe the cingulum; NARROW AND CENTERED
- the lingual fossa is DEEPER than the max central
- the mesial and distal marginal ridges are quite STRAIGHT. the MESIAL MARGINAL RIDGE is longer though.
- the LINGUOINCISAL ridge is well developed and noted from a lingual view
- the lingual pit is more COMMON on a lateral than a central
- the linguogingival groove is more common on a lateral than a central. it originates in the LINGUAL PIT and extends CERVICALLY and slightly distal onto the cingulum and possibly the root surface
- the CEJ is more curved on the MESIAL
- the INCISAL EDGE is labial to the long axis of the tooth
15
Q
- When do the max centrals erupt; before or after the mand. centrals
- they are the most ____ teeth in the permanent dentition because of ________
- they share a mesial _______
- describe the root
- the incisal ridge is nearly straight and has two _________ that divide the 3 _________
- the ___________ angle is sharper than the _________
- describe the cingulum
- the mesial _________ is longer than the distal one
- the single lingual fossa is ______ and ______
- may be a vertically placed ______ originating in the lingual pit and extends cervically and distally onto the cinuglum
A
- When do the max centrals erupt; before or after the mand. centrals. ERUPT BETWEEN 7-8; AFTER
- they are the most PROMINENT teeth in the permanent dentition because of LARGE SIZE AND ANTERIOR ARCH POSITION
- they share a mesial CONTACT AREA
- describe the root; SINGLE CONICAL SHAPE, SLIGHTLY STRAIGHT AND SMOOTH WITH BLUNT APEX
- the incisal ridge is nearly straight and has two DEVELOPMENTAL DEPRESSIONS/GROOVES that divide the 3 LABIAL DEVELOPMENTAL LOBES
- the MESIOINCISAL angle is sharper than the DISTOINCISAL
- describe the cingulum; WIDE AND WELL DEVELOPED, OFF CENTERED TOWARD THE DISTAL
- the mesial MARGINAL RIDGE is longer than the distal one
- the single lingual fossa is WIDE and SHALLOW
- may be a vertically placed LINGUOGINGIVAL GROOVE originating in the lingual pit and extends cervically and distally onto the cinuglum
