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Embry, Hist, Anat
Ch 5 Woelfel's Molar Morphology
| Question | Answer |
|---|---|
| Which molars are most likely to have 3 roots? | Maxillary molars |
| Which molars have more divergent roots (roots are more spread out) toward the apex? | Mandibular molars |
| Which molars tip considerably toward the lingual relative to the long axis of the root? | Mandibular molars |
| Which molars are wider faciolingually than mesiodistally? | Maxillary molars |
| Besides the maxillary first molars, which teeth are most likely to be wider mesiodistally in the lingual half versus in the facial half (that is, taper narrower from lingual toward facial)? | Mandibular second premolars (three-cusp type) |
| Which ridges are likely to be found on a permanent mandibular first molar? | Triangular ridge, mesial cusp ridge, marginal ridge, transverse ridge |
| Which ridges are likely to be found on a permanent maxillary first molar? | Triangular ridge, mesial cusp ridge, marginal ridge, transverse ridge, oblique ridge |
| When probing a maxillary molar, where could potential furcations be found? | On the mesial, distal, and buccal surfaces |
| Which permanent tooth is likely to have its mesial proximal contact positioned more cervically than its distal? | Mandibular first premolar |
| Which molar has many supplemental grooves and ridges on the occlusal surface? | Third molar |
| Which molar has roots are frequently fused or bent. | Third molar |
| Which molar has the smallest occlusal surface area? | Third molar |
| Which molars have very long root trunks? | Third molar |
| Which molars exhibit considerable variation in size and shape? | Third molar |
| When probing a mandibular molar, where could potential furcations be found? | Near the middle of the buccal and lingual surfaces |
| Which molar is most likely to have five cusps? | Maxillary first molar |
| Which molar is most likely to have three roots? | Maxillary first molar |
| What grooves are likely to be found on a maxillary first molar? | Central, lingual, buccal, and oblique grooves and transverse groove of the oblique ridge |
| What is true regarding the size of the crown of a permanent mandibular first molar? | It is wider mesiodistally than occlusocervically. |
| On a permanent mandibular molar with 3 buccal cusps, which cusp is shortest? | Distal cusp |
| What is the longest cusp on a permanent mandibular molar? | The mesiolingual cusp. |
| What is true regarding the height of contour on a permanent mandibular molar? | The lingual height of contour is more cervical than the buccal. |
| On most mandibular first and second molars, which buccal cusp is larger? | Mesiobuccal cusp |
| Where are most mandibular second molars wider in the mesial half compared to the distal half? | Buccolingually |
| Which permanent teeth are most likely to have three cusps and three roots? | Maxillary second molars |
| Which maxillary molar is most likely to have five cusps? | First molar |
| Which mandibular molar is most likely to have five cusps? | First molar |
| Which mandibular molar is most likely to have a distal cusp? | Mandibular first molar |
| What is most likely the longest tooth in the mouth? | #11 |
| Where do all permanent teeth normally have the facial crest of curvature located? | In the cervical third |
| Which molar tooth is less likely to have a longitudinal root depression on both the mesial and distal surfaces? | Mandibular second premolar |
| Where is the cusp of Carabelli located? | The mesiolingual of the maxillary first molar |
| What is the smallest cusp on maxillary molars? | Distolingual |
| On which surface of the lingual root of a maxillary molar is a root depression found? | Lingual |
| Which maxillary molars have roots that are less spread out? | Maxillary second molars |
| Which maxillary molars have furcation locations that are closer to the cervical line? | The maxillary first molars |
| Which maxillary molars are narrower (mesiodistally) on their lingual half than on their buccal half? | Maxillary second molars |
| Which maxillary molars are most likely to have a mesiodistal measurement greater in the lingual half than in the facial half when viewing from the occlusal? | Maxillary first molar |
| How many roots are visible on an extracted mandibular first molar when viewing it from the mesial? | One |
| Which cusp is the longest on a maxillary second molar? | Mesiolingual |
| Which molar or premolar is least likely to have a furcation that can be probed? | Mandibular first premolar |
| Which permanent teeth are most commonly missing due to never being formed? | Third molars (especially maxillary) |
| What are the three cusps called on a maxillary second molar? | Mesiobuccal, distobuccal, and lingual |
| What is true regarding the size of the crown on a maxillary first molar? | The crown is wider buccolingually than mesiodistally. |
| What is the shape of a mandibular first premolar when viewed from the occlusal with its mesiolingual “corner” or line angle flattened (or pushed in)? | Diamond shaped |
| The distobuccal and mesiolingual cusps have a triangular ridge and distal cusp ridge (or two triangular ridges) that join together to form what ridge? | An oblique ridge |
| Which of the maxillary molar root is the longest? | Lingual |
| Where are the proximal contacts located in permanent molars when viewed fromt the occulsal? | Contacts are located in the buccal half of the tooth. |
| Both maxillary and mandibular first molars are most often formed from how many lobes? | 5 |
| Both the maxillary first premolars and mandibular molars have how many roots? | 2 |
| Which molars often have a cusp of Carabelli on the mesiolingual cusp? | Maxillary first molars |
| Which maxillary molars have a longer root trunk? | Maxillary second molars |
| Which maxillary molars have a larger distolingual cusp? | Maxillary first molars |
| On maxillary first molars, which cusp is the largest and tallest? | Mesiolingual |
| What is the shape of the maxillary second molar when viewed from the occlusal? | Rhomboid shaped |
| What is the shape of the mandibular first molar when viewed from the occlusal? | Pentagonal shaped |
| What ridge is formed by the union of the distal cusp ridge of the mesiolingual cusp and the triangular ridge of the distofacial cusp on a maxillary molar? | Oblique |
| The central and distal pits on a permanent maxillary molar connect to form what? | The transverse groove of the oblique ridge |
| Which mandublar molar has the most cusps? | First molar |
| Where is the greatest faciolingual dimension of a mandibular second molar found? | In the mesial third of the crown |
| Where is the distal contact area of the maxillary first molar located when viewed from the buccal surface? | Middle of the middle third of the crown |
| What are the two obtuse angules made from the occlusal aspect of a maxillary first molar? | Mesiolingual and distofacial |
Created by:
BrendaAlberts