more dental anatomy terms

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Hbottorff
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311516
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more dental anatomy terms
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2015-11-16 23:24:25
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dental anatomy
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terms for the lab exam
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  1. the bony socket in which the tooth fits in is called the
    alveolus
  2. the portion of the jaw that supports the teeth is called the
    alveolar process
  3. new dentin is called
    secondary dentin
  4. the dentin that is laid down in response to caries or trauma
    reparative dentin
  5. this type of cementum covers the entire anatomic root
    acellular cementum
  6. this cementum is confined to the apical third of the root and can reproduce itself, thereby compemsating for the attrition that occurs on the crown of the tooth
    cellular cementum
  7. what are dentin forming cells called
    odontoblasts
  8. a ____ is a small elevagtion of aenamel on some portion of the crown of the tooth
    tubercle
  9. a ____ of a tooth is a depression or concavity
    fossa
  10. Heavily keratinized tissue that lines the hard palate and tongue.
    masticatory mucosa
  11. Lightly keratinized tissue that lines floor of the mouth and covers the alveolar processes.
    alveolar mucosa
  12. Thinly keratinized tissue that lines the inner surface of the lips and cheeks
    labial and buccal mucosa
  13. A pocket formed by the soft tissue of the lips/cheeks and the gingiva,
    its deepest point is called the “vestibule fornix” or the “muccobuccal
    fold”.
    oral vestibule
  14. Raised lines of oral mucosa that extend from the alveolar mucosa to the labial and buccal mucosa.
    frenum
  15. Yellowish ectopic sebaceous glands found on the facial mucosa near the corners of the mouth.
    Fordyce Granules/Spots
  16. A raised white line of keratinized tissue on the buccal mucosa that runs parallel to the line of the occlusal plane
    linea alba
  17. Flap of tissue found opposite the maxillary 2nd molar on the buccal
    mucosa and contains the terminal end of the Parotid Duct (Stenson’s
    Duct).
    parotid papilla
  18. Bony structure that separates oral cavity from nasal cavity.
    hard palate
  19. Thick keratinized tissue that covers the incisive foramen.
    incisive papilla
  20. Midline ridge of tissue that covers the bony suture of the palate.
    palatine raphe
  21. Irregular ridges or folds of masticatory mucosa that extend horizontally from either side of the palatine raphe.
    palatine ruggae
  22. Forms the posterior section of the palate and is not supported by
    underlying bone.  It can be lifted to meet the posterior pharyngeal wall
    to seal the nasopharynx during swallowing and speech.
    soft palate
  23. Small conical mass of tissue that hangs from the palatine velum (free edge of the soft palate).
    uvula
  24. The passageway from the oral cavity to the pharynx (throat).
    fauces
  25. Two arches of muscle tissue surrounding posterior oral cavity.  The
    Anterior Pillar of Fauces is also called palatoglossal arch, the
    Posterior Pillar of Fauces is also called the palatopharyngeal arch. 
    They contract and narrow the fauces during deglutition (swallowing).
    pillars of fauces
  26. The space between the left and right anterior and posterior pillars of fauces. It contains the palatine tonsils.
    Isthmus of Fauces
  27. Superior (top) surface of the tongue
    dorsum
  28. A centralized linear indentation on the dorsum of the tongue running anterior to posterior.
    median sulcus
  29. Inferior (underneath) surface of the tongue.  The ventral surface of the
    tongue is very vascular and covered with thin, alveolar mucosa.
    ventral surface
  30. Anterior tip of the tongue.
    apex on tongue
  31. Small cone shaped papillae found in the anterior 2/3 of the dorsum that are responsible for the sense of touch.
    filiform papilla
  32. Mushroom-shaped papillae spread evenly over the entire dorsum of the
    tongue.  They are deep red in color and each contains a taste bud.
    fungiform papilla
  33. Cup-shaped papillae that are approximately 1-2 mm wide and found on the
    posterior dorsum of the tongue.  They are usually arranged in 2 rows
    that form a “V-shape”.  Each papilla contains a taste bud.
    Circumvallate Papillae (Vallate Papillae)
  34. Midline fold of tissue between ventral surface of the tongue and floor of the mouth.
    lingual frenum
  35. Two small, raised folds of tissue found on either side of the lingual
    frenum.  They each contain a salivary duct opening for Wharton’s Duct
    (duct leading from the Submandibular Salivary gland).
    sublingual carnucle
  36. Folds of tissue that begin at the Sublingual Caruncles on either side
    of the lingual frenum and run backward toward the base of the tongue. 
    They contain the many ducts from the sublingual salivary gland.
    sublingual folds
  37. the surface of a tooth facing the tongue.
    lingual
  38. the surface of a tooth facing the cheeks or lips. This surface can also be known as
    facial
  39. the surface of an anterior tooth facing the lips.
    labial
  40. the surface of a posterior tooth facing the cheeks.
    buccal
  41. the surface of a tooth that faces a neighboring tooth’s surface; each tooth has two proximal surfaces.
    proximal
  42. the surface of a tooth that is closest to the midline (middle) of the face.
    mesial
  43. the surface of a tooth that faces away from the midline of the face.
    distal
  44. the chewing surface of posterior teeth.
    occlusal
  45. the biting edge of anterior teeth.
    incisal
  46. the triangular space formed between the contouring angles of adjacent teeth and gingiva
    embrasure
  47. a bulge or prominence of enamel found on the cervical third of anterior teeth
    cingulum
  48. a pronounced elevation on the occlusal surface of a tooth terminating in a conical or rounded surface; any crown elavation that begins calcification as an independent center.
    cusp
  49. the "fifth" cusp located on many maxillary first molars
    cusp of carabelli
  50. a fault occuring along a developmental groove caused by incomplete or imperfect joining of the lobes
    fissure
  51. a broad, shallow depression on the lingual surface of the canine or incisor
    lingual fossa
  52. a relatively broad, deep angular valley in the central portion of the occlusal surface of maxillary molars
    central fossa (maxillary molars)
  53. a relatively broad, deep angular valley in the central portion of the occlusal surface of mandibular molars
    central fossa (maxillary molars
  54. a comparatively shallow pyramid shaped depression on the occlusal surfaces of posterior teeth. located just within the confines of the mesial and distal marginal ridges
    triangular fossa
  55. a small linear depression on a tooth surface
    groove
  56. a groove formed during the development of two lobes uniting of the crown
    developmental groove
  57. an indistinct linear depression, irregular in extent and direction, which does not demarcate major divisional portions of a tooth. often a wrinkled appearence of occlusal surfaces
    supplemental groove
  58. formed by the junction of the linguoincisal surfaces of an anterior tooth. this edge does not appear until occlusal wear has created a surface linguoincisally. this surface forms an angle with the labial surface
    incisal edge
  59. a developmental segment of a tooth
    lobe
  60. an elongated valley in the surface of a tooth formed by the inclines of adjacent cusps or ridges which meet at an angle
    sulcus
  61. made up of the triangular ridges of a buccal and lingual cusp which join to form more or less continuous elevation extending transversly accross the occlusal surface of a posterior tooth
    transverse ridges
  62. In this normal relationship, the maxillary first molar is slightly
    posterior to the mandibular first molar:  the mesiobuccal cusp of the
    maxillary first molar is directly in line with the buccal groove of the
    permanent mandibular first molar.  The facial profile is termed
    mesognathic.
    Class I (or neutrocclusion)
  63. the maxillary first molar is slightly posterior to the mandibular first
    molar:  the mesiobuccal cusp of the maxillary first molar is directly
    in line with the buccal groove of the permanent mandibular first molar. what class?
    class I (neutrocclusion)
  64. what is the relationship of the posterior teeth of a class I
    the mesiobuccal cusp of the max first molar is directly inline with the buccal groove of the permanent mand first molar
  65. what relationship are the canines in in a class I occlusion
    Maxillary occludes with distal half of the mandibular canine and the mesial half of the mandibular first premolar.

  66. What class
    Class I
  67. In this classification, the maxillary first molar is even with or
    anterior to the mandibular first molar:  the buccal groove of the
    mandibular first molar is distal to the mesiobuccal cusp of the
    maxillary first molar.  The facial profile is termed retrognathic.
    Class II (distocclusion)

  68. What class?
    Class II distocclusion
  69. occurs when the permanent first molars are in class II and the
    permanent maxillary central incisors are in their normal or slightly
    protruded position.
    Class II division I
  70. occurs when the permanent first molars are in class II and the permanent
    maxillary central incisors are retruded (pulled backward toward the
    oral cavity) and tilting lingually.
    Class II division 2
  71. Class II division 1
  72. Class II division 2
  73. MB cusp of the maxillary first occludes (by more than the width of a premolar) mesial to the MB groove of the mandibular first.
    class II
  74. Distal surface of the mandibular canine is distal to the mesial surface
    of the maxillary canine by at least the width of a premolar.
    ClassII
  75. Maxillary anteriors protrude facially from the mandibular anteriors, with deep overbite. what division of Class II
    Division I
  76. Maxillary central incisors are either upright or retruded, and lateral
    incisors are either tipped labially or overlap the central incisors with
    deep overbite. what division of Class II
    Division II
  77. In this classification, the maxillary first molar is more posterior to
    the mandibular first molar than normal:  the buccal groove of the
    mandibular first molar is mesial to the mesiobuccal cusp of the
    maxillary first molar.  The facial profile is termed prognathic.
    Class III (mesioocclusion)
  78. Class III
  79. Class III anterior bite
  80. MB cusp of the maxillary first occludes (by more than the width of a premolar) distal to the MB groove of the mandibular first.
    class III
  81. Canines:  Distal surface.
    Class III
  82. Mandibular incisors in complete crossbite.
    Class III
  83. In a deep bite (over bite), the maxillary incisors vertically overlap
    the mandibular incisors excessively.  (In severe cases, mandibular
    incisors may contact the palate or maxillary incisor may strike lower
    gingiva.)
    Deep Bite
  84. deep bite
  85. there are areas where the maxillary and mandibular teeth do not touch. can sometimes be attributed to thumb sucking or a tongue thrust.  Other times the condition is a skeletal problem.)
    open bite
  86. open anterior bite
  87. open posterior bite
  88. refers to the distance between the facial surfaces of the maxillary
    incisors and the facial surfaces of the mandibular incisors.
    overjet
  89. overjet
  90. a malocclusion characterized by any teeth of the maxillary jaw being
    located lingually (to the inside of) the teeth of the mandibular jaw.
    buccal crossbite
  91. the maxillary incisors are lingual (behind) the mandibular incisors, usually with a Class III occlusion.
    anterior crossbite
  92. buccal crossbite
  93. anterior crossbite
  94. Space between two teeth
    diastema
  95. prohibited from normal eruption due to their position in the bone or surrounding teeth.
    impacted teeth
  96. eruption dates of maxillary teeth
    1st molars
    centrals
    laterals
    1st pre
    2nd pre
    canines
    2nd molars
    thirds
    • 6-7 1st molars
    • 7-8 centrals
    • 8-9 laterals
    • 10-11 1st pre
    • 11-12 2nd pre
    • 11-12 canines
    • 12-13 2nd molars
    • 17-21 thirds
  97. eruption dates of mandibular teeth
    1st molar
    centrals
    laterals
    1st pre
    2nd pre
    canines
    2nd molar
    thirds
    • 6-7 1st molar
    • 6-7 centrals
    • 7-8 laterals
    • 9-10 1st pre
    • 10-11 2nd pre
    • 11-12 canines
    • 11-13 2nd molar
    • 17-21 thirds
  98. eruption maxillary 1st molars perm
    6-7
  99. eruption of mandibular 1st molars perm
    6-7
  100. eruption of maxillary perm centrals
    7-8
  101. eruption of mandibular perm centrals
    6-7
  102. eruption of maxillary perm laterals
    8-9
  103. eruption of perm mandibular laterals
    7-8
  104. eruption of maxillary perm 1st pre
    10-11
  105. eruption of perm mand 1st pre
    9-10
  106. eruption of perm max 2nd pre
    11-12
  107. eruption of perm mand 2nd pre
    10-11
  108. eruption of perm max canines
    11-12
  109. eruption of perm mand canines
    11-12
  110. eruption of perm max 2nd molars
    12-13
  111. eruption of perm mand 2nd molars
    11-13
  112. can the mandibular 2nd molars erupt before maxillary
    yes!
  113. moving the
    mandible from side to side until the canines are in a cusp to cusp
    relationship- no other teeth should be in function except canines
    lateral excursion
  114. relationship
    of lower jaw to upper jaw. determined by the maximum contraction of
    muscles in the jaw (swallowing), the most retruded relationship of the
    mandible to maxillae when the condyles of the TMJ are in their most
    upward, backward, and unstrained position in the glenoid fossae
    centric relation
  115. relationship of upper jaw to lower jaw. habitual way teeth come together
    centric occlusion
  116. tooth where the outer surface folds in (anomalie)
    dens en dente
  117. dense en dente
  118. when a tooth attempts to divide itself
    tooth gemination
  119. gemination
  120. gemination
  121. two adjacent tooth germs unite
    fusion
  122. dilaceration
  123. concrescence
  124. type of fusion that occurs that involves two approximation roots contacting and fusing by cementum
    concrescence

  125. deposition of excessive amounts of secondary cementum
    hypercementosis

  126. small masses of excess enamel on the surface of the teeth located apically of the CEJ
    enamel pearl


  127. tumerous anomalie of clacified dental tissue
    odontoma
  128. enamel hypoplasia
  129. fluorosis
  130. amelogenesis imperfecta - thin enamel
  131. hypocalcification of single tooth
    turners tooth
  132. dentogenisis imperfecta- poorly developed dentin
  133. tetracycline staining
  134. when only one root of the tooth is curved or flexed
    flexion
  135. tooth is elongated past the line of occlusion
    supraversion
  136. tooth is depressed from the line of occlusion
    infraversion
  137. tooth is lingual to normal
    linguoversion
  138. tooth is labial to normal
    labioversion
  139. tooth is buccal to normal
    buccoversion
  140. maxillary molar is tipped mesially so that it touches the mandibular first and second molars
    stolarized molar
  141. mesiodens (supernumerary between the centrals)
  142. supernumary teeth distal to the max thirds
    distomolars
  143. supernumary teeth situated buccally or lingually to molars
    paramolars
  144. extremely short roots
    dwarfed roots
  145. the fusion of lobes
    COALESCENCE
  146. TEETH THAT CAN HAVE 5 CUSPS
    maxillary first molars, mandibular 1st molars, mandibular 2nd premolars
  147. tooth with a long prominent labial ridge
    maxillary canine
  148. this tooth has a large distal lobe compensating for the curvature of the jaw
    mandibular lateral incisor
  149. the science of dealing with the causes and treatment of a malpositioned jaw bone
    orthognatic
  150. a specific point where one tooth from one arch occludes with another tooth from the opposing arch
    contact point
  151. an area of contact between teeth of the same arch
    contact areas
  152. teeth that have a greater curvature of the CEJ
    anterior teeth, mesial curvature is greater than distal
  153. the
    relationship of the cusps of premolars and molars of one jaw to those of
    the opposing jaw during any of the occlusal relationships. helps
    prevent tooth deviations in a buccal or lingual direction
    intercuspation
  154. band
    of connective tissue of the tendon that connects the posterior end of
    the buccinator muscle with the anterior end of the superior constrictor
    of the pharynx
    pterygomandibular raphe
  155. depression
    in the tongue two thirds of the way back that marks the beginning point
    of development of the thyroid glands, means "blind aperture"
    foramen cecum
  156. small depressions in mucosa on either side of posterior nasal spine, indicating the junction of the hard and soft palate
    fovea palatinae
  157. teeth with accessory roots
    mandibular 2nd premolars, canines, 3rd molars
  158. dentin that grows and makes pulp cavity smaller
    secondary dentin
  159. contact area for anterior teeth
    incisal third
  160. contact area for posterior teeth
    middle third

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