Term
Mesioincisal angle is sharp (90 degrees) while the distoincisal angle is rounded |
|
Definition
Maxillary Central Incisor |
|
|
Term
Labial surface is relatively flat, convexity confined to cervial third. |
|
Definition
Maxillary Central Incisor |
|
|
Term
Marginal ridges and cingulum moderately pronounced |
|
Definition
Maxillary Central Incisor |
|
|
Term
Cervical line curvature is more pronounced than any other tooth |
|
Definition
Maxillary Central Incisor |
|
|
Term
Triangular in outline form, crown is wider mesiodistally than labiolingually. |
|
Definition
Maxillary Central Incisor |
|
|
Term
Roughly cone-shaped roots, slightly longer than the crown, triangular cross section. |
|
Definition
Maxillary Central Incisor |
|
|
Term
Rounded incisial ridge and rounded incisal angles mesially and distally, crown is small in all dimensions as compared to central incisor. Peg Lateral possible. |
|
Definition
Maxillary Lateral Incisor |
|
|
Term
Lingual fossa is more concave and circumscribed than on maxillary central incisor, often deep developmental groove on distal side of cingulum, deep faults and pits are often found in deep portions of the grooves. |
|
Definition
Maxillary Lateral Incisor |
|
|
Term
Mesiodistal width of crown is relatively narrow, labial profile is distinctly rounded, the outline is ovoid form. |
|
Definition
Maxillary Lateral Incisor |
|
|
Term
Root usually has definite distal bend in apical third and is ovoid in cross section |
|
Definition
Maxillary Lateral Incisor |
|
|
Term
Has pointed cusp instead of incisal edge, labial surface strongly convexed with labial ridge extending from cervical ridge to cervical line |
|
Definition
|
|
Term
Distance from cusp tip to mesial contact area is shorter than distance to distal contact area, cusp tip lies mesial to long axis |
|
Definition
|
|
Term
Only cusp tooth with functional lingual surface. |
|
Definition
|
|
Term
Tooth is very wide at cervical third of both crown and root, cusp tip lies labial to long axis or crown. |
|
Definition
|
|
Term
Labiolingual dimension is wider or same size as mesiodistally, incisal aspect of crown is asymmetric. |
|
Definition
|
|
Term
Longest and strongest root in the human dentition, depression along distal surface is deeper than on mesial surface
|
|
Definition
|
|
Term
Mesial slope is long and straight, distal slope is short and curved, has 2 cusps with lingual cusp being shorter than labial. |
|
Definition
|
|
Term
Central groove extends over mesial marginal ridge and forming a spillway and mesial developmental groove that runs along mesial surface and ends in large shallow concavity where the interradicular groove continues to bifurcated area, Bifurcation=1 lingual root, 1 buccal root. |
|
Definition
|
|
Term
Occlusal Outline is Hexagonal. Buccolingual dimension is greater than mesiodistal. |
|
Definition
|
|
Term
If there is single root there will be two pulp canals |
|
Definition
|
|
Term
Smallest crown of maxillary premolars |
|
Definition
Second Maxillary Premolar |
|
|
Term
Mesial slope of buccal cusp is less than distal slope, buccal cusp is generally same height as lingual. |
|
Definition
Maxillary Second Premolar |
|
|
Term
Crown occlusal outline is ovoid |
|
Definition
Maxillary Second Premolar |
|
|
Term
One root, usually longest of maxillary premolars, possibility of two roots, two root canals not uncommon. |
|
Definition
Maxillary Second Premolar |
|
|
Term
2 Buccal cusps, MB cusp and DB cusp, wider buccolingually than mesiodistally |
|
Definition
|
|
Term
Has extra cusp that is non-functional mesiolingually, lingual root is longest, mesiolingual cusp is longest, distolingual cusp is spheroid and smooth |
|
Definition
|
|
Term
Outline of crown is rhomboidal, occlusal table consists of Trigon and Talon, prominent oblique ridge from DB cusp to ML cusp. |
|
Definition
|
|
Term
3 roots, 4 canals, two MB, one lingual and one buccal |
|
Definition
|
|
Term
3 different types of crowns, roots tend to be closer together.
|
|
Definition
|
|
Term
No fifth cusp, less rhomboidal overall and more heart shaped. |
|
Definition
|
|
Term
3 roots,mesiobuccal root tends to curve toward distal in apical 1/3. |
|
Definition
|
|
Term
Has triangular or heart shaped occlusal outline |
|
Definition
|
|
Term
Narrowest mesiodistal tooth of all incisors. Bilaterally symmetrical. Mesial & distal incisal angles are 90 degrees. Root is narrow and conical |
|
|
|
Definition
Mandibular Central Incisor |
|
|
Term
Labiolingual is wider than Mesiodistal. Smallest tooth in the mouth. Occludes with only one opposing tooth. Triangular outline |
|
Definition
Mandibular Central Incisor |
|
|
Term
Mesiodistal angle is sharp and distinct. Distoincisol angle is rounded & cervically situated. Lingual aspect is not symmetrical |
|
Definition
Mandibular Lateral Incisor |
|
|
Term
Crown twisted slighlty distally on its root. Root is longer than central incisor. Outline is triangular |
|
Definition
Mandibular Lateral Incisor |
|
|
Term
Cusp does not appear as pointed as the max. canine. Root is narrower mesiodistally than labiolingually. may have bifurcated roots, or 1 root w/ 2 canals. If two roots; one would be lingual & and one labial |
|
|
Definition
|
|
Term
Crown form buccal is bilaterally asymmetrical. Buccal cusp is long and sharp. Lingual cusp is much lower than the buccal cusp |
|
Definition
Mandibular First Premolar |
|
|
Term
Crown is ditinctly tilted lingually. Occlusal outline is diamond. Occlusal table is triangular in outline. One root w/ marked tapering toward the lingual and narrower mesiodistaly than the mandibular second premolar |
|
Definition
Mandibular First Premolar |
|
|
Term
Crwon is bilaterally symmetrical. Mesiolingual cusp is larger than the distolingual. Larger crown than first premolar |
|
Definition
Mandibular Second Premolar |
|
|
Term
3 forms: H, Y, and U. Occlusal outline is square or round. Single root |
|
Definition
Mandiular Second Premolar |
|
|
Term
2 Developmental grooves: Mesiobuccal & distobuccal.
3 fairly flat buccal cusps MB, DB, and distal. Distal cusp is shortest and rounded. Lingual cusps higher than buccal cusps. Crown is widest mesiodistally |
|
Definition
|
|
Term
Roots are widley seprated and vertical. 5 cusps: 3 buccal & 2 Lingual. Distal cusp is shortest and rounded, 5th funct. cusp. Occlussal outline is Pentagonal. Bifurcated root: Mesial (2 canals) & Distal (1 canal) |
|
Definition
|
|
Term
One developmental buccal grove. Crown is smaller than mandibular first molar. Two buccal cusps: MB & DB |
|
Definition
|
|
Term
One developmental buccal grove. Crown is smaller than mandibular first molar. Two buccal cusps: MB & DB |
|
Definition
|
|
Term
Crown is noticeably shorter occlusocervical. Occlusal outline is rctangular. 4 cusps: MB, ML, DB, and DL. 1/3 of teeth have undivided mesial root canal. |
|
Definition
|
|