14232892
Description
Flashcards by Mica Borgueta, updated more than 1 year ago
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Created by Mica Borgueta
over 6 years ago
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| Question | Answer |
| Difference in space from primary to permanent dentition? ___ mm | 2-4 mm |
| When is calcification of primary roots normally completed? | 3-4 years of age |
| What is the pattern of eruption for primary teeth? | Anteriors, Laterals, 1st molars, CANINES, 2nd molars Lowers before Uppers except Laterals |
| Primate space develops in maxillary primary dentition between? | Lateral and Canine |
| Mandibular primary primate space is located between? | Canine and First Molar |
| Primary spacing for anterior teeth is mostly caused by? | Growth of Dental Arches |
| Direction of Primary enamel rods in cervical 3rd is in _______ direction? |
Occlusal
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| True or False Primary molar roots are more divergent than permanent molar roots | True |
| True or False Root trunk of primary molars are prominent |
False
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| What primary tooth has the smallest faciolingual crown dimension? |
Primary mandibular central incisor
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| In delayed resorption of primary incisors, the permanent incisors usually erupt ______ | Lingually |
| Which primary teeth exhibits prominent cervical ridges both facially and lingually? |
Primary Central Incisors
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| Primary Canine Crown What incisal slope is longer from facial view? |
Mesial-incisal slope
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| Where is the cusp tip offset to in the primary canine? |
Cusp tip offset to Distal
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| Which primary MAXILLARY tooth has the most prominent cervical ridge What surface? Out of all the primary teeth? |
Maxillary 1st Molar(primary)
Mesiofacial surface
Mandibular 1st molar
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| Which primary tooth has an oblique ridge? |
Primary 2nd molars
*distolingual groove
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| Which primary tooth exhibits the most prominent facial cervical ridge? | Mandibular primary 1st molar |
| On facial view of primary mandibular 1st molar, where is the CEJ most apically positioned? |
Mesial 1/3
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| Which primary tooth exhibits DISTAL triangular fossa? |
Mandibular 1st molar
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| Which primary teeth has the most distinct transverse ridge? | Mandibular 1st molar |
| Which primary tooth does NOT look like any permanent tooth? | Primary 1st mandibular molar |
| The highest and sharpest cusp on primary mandibular 1st molar is the _____________ |
Mesiolingual
NOT mesiobuccal
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| Teeth whose function is primarily biting are? | Incisors |
| Which tooth has greatest cervical curvature on mesial compared to any other tooth? CEJ dips deeper |
Maxillary Central Incisors
*greatest on mesial
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| Which ANTERIOR teeth is wider mesiodistally than facio-lingually |
Maxillary Incisors
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| Which tooth has measurements that is nearly identical inciso-cervically and mesio-distally |
Maxillary central incisors
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| Non-molar tooth that most frequently has Mesial and Distal pulp horn? | Maxillary Central Incisors |
| Non molar least likely to have bifurcated root? | Maxillary central incisor |
| Non-molar most likely to have bifurcated root? Where? | Mandibular Canine Creates facial and lingual root |
| Contact between maxillary central and later incisor makes lingual embrasure larger or smaller than facial? | Larger |
| Incisal embrasure between maxillary centrals is larger or smaller than between central and lateral? |
Smaller
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| Which tooth has most crown shape variations, deviations in crown morphology, and congenitally missing? | Maxillary Laterals (except for 3rd molars) |
| What complicates root planning in maxillary lateral incisors? | Distolingual groove |
| Which tooth has greatest cervical prominence of any ANTERIOR tooth? | Maxillary Canine |
| Which tooth from proximal view tends to be positioned with the most vertical axis? |
Maxillary canine
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| Which tooth has the greatest overall total tooth length and longest root?*** |
Maxillary canine
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| Which ANTERIOR tooth has greatest facio-lingual crown dimension? |
Maxillary canine
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| Where is the distal contact on maxillary canine? | Centered |
| Which tooth has the potential of contacting both anterior and posterior teeth? | Maxillary Canine |
| Proximal contact areas of anterior teeth |
I - incisal 1/3
J - jxn of incisal and middle 1/3
M - middle 1/3
*I Just Jacked Michael Jackson's Mope
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| Where is the cusp tip located facially/lingually? |
Centered / slightly facial
(lingual more visible)
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| Which tooth has distal bulge? |
Maxillary canine
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| What shape does the crown of a canine have from facial view? |
Pentagon
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| Which tooth has straightest mesial alignment of crown to root? |
Mandibular canine
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| Which tooth has LONGEST CROWN? |
Mandibular canine
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| Which is narrower mesiodistally? Maxillary or Mandibular canine? |
Mandibular canine
Maxillary canine has that distal bulge
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| Root of mandibular canine is what shape in cross section? | Irregularly oval / ovoid |
| Cross section of mandibular canine at CEJ is __________, but wider where? |
Ovoid
wider mesiodistally at facial
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| Cervical cross section of mandibular canine root is __________ in mesio-distal direction |
Flattened
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| When compared to maxillary canine, mandibular canine has contact areas located more _____________ |
Incisally
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| Which tooth has continuous CONVEX facial surface from incisal to apical end? |
Mandibular canine
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| Where is the incisal edge of mandibular canine? (lingual or facial)/ |
Incisal edge more lingual
- can see more of facial
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| Which MAXILLARY tooth has the most pronounced developmental groove? |
Maxillary 1st premolar
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| What makes it difficult to adapt matrix band on maxillary 1st premolar? |
Mesial Concavity
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| What is the shape of cervical cross section of maxillary 1st premolar? |
Kidney shaped
- because of mesial concavity
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| Which non-molar tooth most frequently exhibits 3 roots? | Maxillary 1st premolar |
| Where is the facial cusp of maxillary 1st premolar offset to? |
Distal
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| Which cusp ridge is longer for maxillary 1st premolars? mesio-facial or disto-facial? |
Mesio-facial
Just like primary maxillary canines
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| Which tooth has STEEPEST cusp inclines | Maxillary 1st premolars |
| Maxillary premolar LINGUAL cusps are offset to where? |
Mesial
(buccal cusp is offset to distal)
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| Which POSTERIOR tooth has the greatest cervico-occlusal crown height? |
Maxillary 1st premolar
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| Which non-molar teeth has the sharpest demarcation between pulp chamber & canal? | Maxillary premolar |
| Which POSTERIOR tooth is most symmetrical? | Maxillary 2nd premolar |
| Wrinkly tooth Short central groove with LOTS of supplemental grooves | Maxillary 2nd premolar |
| Which ANTERIOR tooth has nearly identical mesio distal and facio-lingual measurements? | Maxillary lateral incisors |
| How are mandibular centrals distinguished? | Cervical curvature Greater on mesial than distal |
| First succedaneous tooth to erupt in the mouth? | Permanent Mandibular Central Incisors Succedaneous - takes the spot of primary tooth |
| Which crown tilts distally in relation to long axis? |
Mandibular laterals
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| Which ANTERIOR tooth has the greatest cervical prominence? | Maxillary canine |
| Which MANDIBULAR tooth has the longest root? | Mandibular canine Longest root overall is maxillary canine |
| Which tooth has a uniquely prominent triangular ridge (snake eyes - no central grooves) | Mandibular 1st premolar |
| Where is the developmental groove on mandibular 1st premolar? |
Mesiolingual from occlusal pit
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| What is an identifying characteristic for mandibular 1st premolar? What angle does it run? |
Mesio-lingual groove
45 degree angle
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| Which is the only premolar that frequently has only 1 pulp horn? | Mandibular 1st premolar |
| Does the lingual cusp of mandibular 1st premolar occlude? | No. It's shorter |
| Which tooth has the most variation of ALL POSTERIOR TEETH in facial vs lingual cusp height? | Mandibular 1st premolar |
| Where is facial masticatory mucosa (attached gingiva) narrowest? | Facial aspect of mandibular premolar |
| Which tooth has the smallest facio-lingual measurements of ANY POSTERIOR tooth? | Mandibular 1st premolar |
| Which of ALL mandibular teeth is closest facio-lingual and mesio-distal diameter |
Mandibular 1st premolar
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| What is the occlusal outline of mandibular 2nd premolar? Occlusal table? |
Pentagonal
Rectangular
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| Premolar that is most likely to have a crescent shaped central developmental groove | Mandibular 2nd premolar |
| Where is the shortest interdental papilla? Between which teeth? | Between mandibular 2nd premolar and 1st premolar |
| Which is the only premolar with multiple lingual cusps? |
Mandibular 2nd premolar
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| Which is the only premolar with a lingual groove? |
Mandibular 2nd premolar
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| Which is the only premolar with central fossa? |
Mandibular 2nd premolar
Y shaped
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| The premolar that most frequently has single central pit is the ____________ | mandibular 2nd premolar |
| What is the most congenitally missing premolar? | mandibular 2nd premolar |
| Where does the maxillary 1st molar tend to taper toward? facial/lingual |
Facial - buccal embrasure is larger
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| Which is the largest root of maxillary 1st molar? | Palatal |
| What is the smallest root of maxillary 1st molar | distobuccal |
| Of the 3 furcations of maxillray 1st molar, which is closest to cervical line? |
Mesial
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| Of the 3 furcations of maxillary 1st molar, which is the furthest from cervical line? |
Distal
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| Oblique ridge of maxillary 1st molar forms what boundary of central fossa? |
Distal boundary
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| Oblique ridge of maxillary 1st molar connects what cusps? |
Mesio lingual & Disto facial
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| Which cusp of the maxillary 1st molar occludes with central fossa of mandibular molars> |
Mesiolingual cusp
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| Which tooth has the greatest facio-lingual diameter of crown of ALL teeth? | Maxillary 1st molar (think of cusp of carabelli) |
| Which MAXILLARY POSTERIOR is closest in size facio-lingually vs Mesio-distally? | Maxillary 1st Molar |
| What is the only cusp of maxillary 1st molar that is not part of molar cusp triangle? |
Distolingual cusp
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| What is the largest and longest cusp of maxillary 1st molar? | Mesiolingual Cusp (the one that occludes) |
| What makes it hard to put matrix band on maxillary 1st molar? | Distal concavity (like mesial concavity of maxillary 1st premolar) |
| Which has shorter disto-lingual groove: Maxillary 1st or 2nd? |
Maxillary 2nd molar
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| What is the groove pattern of mandibular 1st molar? |
Y or Dryopethicus pattern
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| What is the occlusal outline of mandibular first molar? |
Pentagon
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| Smallest cusp of mandibular 1st molar? |
Distal cusp
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| What is the largest cusp of mandibular 1st molar? |
Mesiofacial
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| Which has the LARGEST mesiodistal crown dimension of ANY tooth? | Mandibular 1st molar (think 3 buccal cusps) |
| Which tooth has the greatest mesiodistal Diameter of all MOLARS? | Mandibular 1st molars of any tooth actually |
| Which mandibular posterior teeth are the only one WIDER mesio-distally than faciolingually? | Mandibular molars |
| Which tooth has largest faciolingual crown dimension of ANY MANDIBULAR tooth | Mandibular 1st molar Maxillary 1st molar is largest of any tooth* |
| Key feature that differentiates mandibular 1st and 2nd molar | # of developmental grooves Mandibular 2nd molar has 1 buccal |
| Developmental groove between Distofacial cusp and Distal cusp of mandibular 1st molar is..... |
Distofacial
NOT DISTAL
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| How many roots and canals does mandibular 1st molar usually have? | 2 roots 3 canals - 2 in mesial |
| Which MOLAR tooth has the longest root? | Mandibular 1st molar |
| Which tooth has the greatest root separation? | Mandibular 1st molar |
| Which cusp of mandibular molars occlude in central fossa of maxillary molars? |
Distobuccal cusp
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| Groove pattern for mandibular 2nd molar? |
Cross pattern
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| From the occlusal view, where is the greatest faciolingual diameter of mandibular 2nd molar? |
Mesial 1/3
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| True or False Mandibular molars the only posterior/mandibular teeth that are wider MD than FL |
True
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| Which has the greatest distal root inclination of any other tooth? | 3rd molars |
| How does the condyles move when the mandible moves from CO to edge to edge | Forward and Downward |
| The non-working condyle moves... | DOWNWARD FORWARD MEDIAL DFM |
| What guidance plays the greatest role in discluding the posterior teeth in latero-protrusive movements? | Anterior guidance |
| What is the side shift of mandible? | Bennet Movement |
| When does Bennet movement occur? | During earliest stage of lateral movement |
| What is the bodily shift of mandible toward working condyle? | Bennet movement |
| Physiological rest position is also known as | Postural position |
| Mandibular postural position is determined almost exclusively by behavior of | mandibular masculature |
| What muscle do you use to move PP to CO | Anterior fibers of temporalis - elevating mandible - close the mouth |
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Curve of Spee - anterior-posterior curvature of occlusal surfaces seen in facial/buccal view |
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Curve of Wilson |
| What direction do enamel rods go in cervical third of permanent teeth? | Gingival direction |
| What are striae of retzius? | Developmental disturbances - run obliquely from DEJ to enamel surface *Perikymata - furrows on enamel surface |
| What percentage of dentin is organic? | 20-30% |
| What is the primary function of dental pulp? | to form dentin! NOT nourish or provide sensation |
| What forms dentin? | Dental Papilla |
| Dentin that is most highly mineralized is where | intra or peritubular dentin |
| DEJ occurs at the junction of? | Dental papilla and inner enamel epithelium |
| Dental papilla cells in contact with the inner enamel epithelium are the ? | odontoblasts |
| What are the 2 types of cementum? | Acellular - coronal 2/3 of teeth Cellular - apical 1/3 of teeth (where blood supply is coming from) |
| All teeth develop from 4 lobes EXCEPT | 1. permanent 1st molars 2. mandibular 2nd premolars 3 cusp type (develop from 5 lobes) |
| Which marginal ridge is more cervical in the mandibular 1st premolar? |
Mesial marginal ridge
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| What type of collagen is predominant connective tissue for periodontial ligament fibers? | Type I Collagen |
| Which PDL fibers provide major support for a tooth during furcation? | Oblique fibers |
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| Which PDL fibers reduces likelihood of forceful impaction into alveolus? | Oblique fibers |
| What are transseptal fibers? | Gingival fibers - extend from tooth to tooth |
| All teeth have Facial Heights of Contour in the cervical third except for? | Mandibular molars - HOC is at junction of cervical and middle third |
| Where are the lingual heights of contour of: Anterior teeth? Posterior teeth? | Anterior teeth = cervical third Posterior teeth = middle third EXCEPT mandibular 2nd premolar = occlusal 1/3 |
| "CEJ dips deeper" | Think maxillary central incisors (anterior, maxillary, mesial side of tooth) |
| Facio-lingual contacts | All teeth - usually middle 3rd of crown Posterior teeth - contact leans more toward facial |
| Facial embrasure is always thinner than lingual embrasure EXCEPT | Mandibular centrals (F=L) Maxillary 1st molar (F > L) |
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