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EFDA |Review |questions |with |answers
What |is |the |anatomical |crown? |- |CORRECT |ANSWERS |✔✔The | portion |that |extends |from |the |incisal |or |occlusal |surface |to |the | enamel's |junction |with |the |cementum |of |the |root What |is |the |clinical |crown? |- |CORRECT |ANSWERS |✔✔The |visible | portion |of |the |anatomical |crown |extending |from |the |crest |of |the | soft |tissue |and |includes |the |occlusal |surface |or |incisal |edge What |is |the |cementoenamel |junction |(cervical |line)? |- |CORRECT | ANSWERS |✔✔A |slight |constriction |that |encircles |the |tooth, |dipping | apically |on |the |facial |and |lingual |surfaces |and |rising |coronally |on | the |proximal |surfaces What |is |the |function |of |the |anterior |teeth? |- |CORRECT |ANSWERS | ✔✔To |tear |or |incise |food What |is |the |function |of |the |posterior |teeth? |- |CORRECT |ANSWERS | ✔✔Shaped |with |broad |biting |and |convex |surfaces |that |grind |food Where |is |the |furrow? |- |CORRECT |ANSWERS |✔✔Coronal |to |the | actual |division |into |two |or |more |roots |is |a |concavity |that |extends | to |or |nearly |to |the |cementoenamel |junction
Define |contact |area |- |CORRECT |ANSWERS |✔✔The |point |or |area | where |approximating |teeth |in |the |same |arch |touch |or |meet |each | other What |is |the |functions |of |the |contact |area? |- |CORRECT |ANSWERS | ✔✔To |keep |food |from |packaging |between |the |teeth |and |to |help | stabilize |the |dental |arches |by |combining |the |anchorage |of |all |teeth | in |either |arch What |is |an |embrasure? |- |CORRECT |ANSWERS |✔✔The |spaces | adjacent |to |and |surrounding |the |contact |of |the |teeth |in |the |same | arch Where |is |enamel |the |thickest? |- |CORRECT |ANSWERS |✔✔At |the | incisal |or |occlusal |areas What |is |enamel's |composition? |- |CORRECT |ANSWERS |✔✔95% | inorganic |matter, |mainly |hydroxyapatite, |and |5% |organic |matter | and |water ______ |is |the |hardest |tissue |in |the |body |- |CORRECT |ANSWERS | ✔✔Enamel
___ |is |the |hard |dental |tissue |covering |the |anatomical |roots |of |the | teeth |- |CORRECT |ANSWERS |✔✔Cementum What |has |the |highest |fluoride |content |of |all |the |materialized | tissue? |- |CORRECT |ANSWERS |✔✔Cementum ___ |has |no |blood |supply |of |its |own, |but |derives |its |nutrition |from | the |periodontal |ligament |- |CORRECT |ANSWERS |✔✔Cementum What |cementum |cannot |replace |itself |if |it |is |diseased |or |has |been | removed |mechanically? |- |CORRECT |ANSWERS |✔✔Acellular ____ |cementum |extends |from |the |cementoenamel |junction |toward | the |root |apex |covering |a |large |portion |of |the |root. |Thin |toward |the | cementoenamel |junction |and |thick |toward |the |root |apex |- | CORRECT |ANSWERS |✔✔Acellular What |is |the |fourth |hardest |material |in |the |body? |- |CORRECT | ANSWERS |✔✔Cementum ___ |cementum |of |the |apex |of |the |root |is |made |of |cells |that |are | actively |producing |new |layers |of |cementum |throughout |the |life |of | the |tooth |- |CORRECT |ANSWERS |✔✔Cellular
The |pulp |serves |functions |such |as |- |CORRECT |ANSWERS | ✔✔Formative/Developmental, |Nutritive, | Sensory, |Defensive/Protective What |function |provides |sensory |nerve |fibers |within |the |pulp |to | mediate |the |sensation |of |pain? |- |CORRECT |ANSWERS |✔✔Sensory What |function |is |related |to |its |response |to |irritation |by |mechanical, | thermal, |chemical, |bacterial |stimuli? |- |CORRECT |ANSWERS | ✔✔Defensive Irritation |such |as |tooth |fracture, |grinding |of |teeth/bruxism, |cavity | preparation |or |chemical |irritation |can |cause |- |CORRECT |ANSWERS | ✔✔Degeneration |and |death |of |the |involved |cells What |function |supplies |nutrients |and |fluids |to |the |dentin |through | the |blood |supply? |- |CORRECT |ANSWERS |✔✔Nutritive What |can |cause |the |pulp |to |be |harmed? |- |CORRECT |ANSWERS | ✔✔Sterilizing, |cleaning, |drying |and |desensitizing |agents, | temperatures, |air, |pressure, |some |cavity |liners, | some |temp/permanent |restorative |materials What |is |a |major |developmental |convexity |on |or |near |the |occlusal | surface |of |a |posterior |teeth? |- |CORRECT |ANSWERS |✔✔Cusp
What |is |a |triangular |ridge? |- |CORRECT |ANSWERS |✔✔A |ridge |on |a | molar |or |premolar |that |descends |from |the |tips |of |the |cusps | towards |the |central |part |of |the |occlusal |surface What |is |a |transverse |ridge? |- |CORRECT |ANSWERS |✔✔The |ridge | formed |by |the |union |of |two |triangular |ridges |that |extend |across | the |surface |of |posterior |teeth What |is |an |oblique |ridge? |- |CORRECT |ANSWERS |✔✔The |ridge | crossing |the |occlusal |surface |of |only |maxillary |molars |in |an |oblique | direction How |is |the |oblique |ridge |formed? |- |CORRECT |ANSWERS |✔✔Two | triangular |ridges |extending |from |the |distalbuccal |to |the | mesiolingual |cusp How |many |oblique |ridges |can |be |found |on |each |maxillary |molar? |- | CORRECT |ANSWERS |✔✔One What |is |a |fossae? |- |CORRECT |ANSWERS |✔✔Irregular |depressions |or | concavities |on |the |surface |of |anterior |and |posterior |teeth
What |is |the |lingual |fossae? |- |CORRECT |ANSWERS |✔✔The | depression |or |concavity |found |on |the |lingual |surface |of |mandibular | and |maxillary |incisors |located |between |the |mesial |and |distal | marginal |ridges What |is |the |central |fossae? |- |CORRECT |ANSWERS |✔✔The | depression |or |concavity |found |in |the |central |portion |of |the |occlusal | surface |of |molars How |is |the |central |fossae |formed? |- |CORRECT |ANSWERS | ✔✔Converging |ridges |terminating |at |the |central |point |in |the | bottom |of |a |depression |or |concavity What |is |the |triangular |fossae? |- |CORRECT |ANSWERS |✔✔Located |on | the |occlusal |surface |of |molars |and |premolars |distal |to |the |mesial | marginal |ridge |and |mesial |to |the |distal |marginal |ridge ___ |grooves |are |major |grooves |or |lines |between |the |ridges |of |the | tooth |- |CORRECT |ANSWERS |✔✔Developmental ___ |developmental |groove |extends |in |a |mesial-distal |direction | across |the |occlusal |surface |of |posterior |teeth |- |CORRECT |ANSWERS | ✔✔Central
Which |tooth |is |the |widest |mesiodistally |of |any |anterior |tooth |and | are |the |most |prominent |teeth |in |the |mouth? |- |CORRECT |ANSWERS | ✔✔Maxillary |central |incisor Which |tooth |is |the |longest? |- |CORRECT |ANSWERS |✔✔Maxillary | Cuspid/Canine ___ |are |used |to |cut |& |tear |food |- |CORRECT |ANSWERS |✔✔Cuspids | (Canines) ___ |are |used |to |grasp, |tear, |and |pulverize |food |- |CORRECT | ANSWERS |✔✔Premolars |(Bicuspids) Which |premolar |usually |has |two |roots? |- |CORRECT |ANSWERS | ✔✔Maxillary |first |premolar Which |premolar |usually |has |one |root? |- |CORRECT |ANSWERS | ✔✔Maxillary |second |premolar The |___ |mandibular |premolar |is |smaller |than |the |___ |mandibular | premolar |- |CORRECT |ANSWERS |✔✔First; |Second ___ |second |molars |have |a |crown |that |is |shorter |than |the |first | molar |- |CORRECT |ANSWERS |✔✔Maxillary
___ |first |molar |is |the |largest |tooth |in |the |mandibular |arch |- | CORRECT |ANSWERS |✔✔Mandibular Wall |- |CORRECT |ANSWERS |✔✔A |vertical |or |horizontal |surface |within | the |cavity |preparation |named |for |the |surfaces |toward |which |it | faces |or |for |a |structure |it |approximates Cavosurface |- |CORRECT |ANSWERS |✔✔The |uncut |tooth |structure | adjacent |to |the |cavity |preparation Line |angle |- |CORRECT |ANSWERS |✔✔A |line |formed |along |the | junction |of |two |walls |or |of |one |wall |and |the |cavosurface |margin Point |angle |- |CORRECT |ANSWERS |✔✔A |point |formed |by |the | junction |of |three |walls |within |a |cavity |preparation Retentive |features |- |CORRECT |ANSWERS |✔✔Grooves, |pits, |or | prepared |areas |in |the |dentin |along |the |line |angles |or |point |angles | of |the |preparation |to |enhance |the |mechanical |retention |of |the | restoration Class | 1 |cavity |classification |- |CORRECT |ANSWERS |✔✔Carious |lesions | that |are |located |in |pits |& |fissures |of |the |occlusal, |facial, |& |lingual |
Gingival |sulcus |- |CORRECT |ANSWERS |✔✔The |space |between |the | tooth |and |the |free |gingiva Interdental |Papilla |- |CORRECT |ANSWERS |✔✔The |portion |of |the |free | gingiva |located |in |the |interproximal |areas Attached |gingiva |- |CORRECT |ANSWERS |✔✔Consists |of |tissues | extending |from |the |level |of |the |depth |of |the |gingival |sulcus |to |the | mucogingival |junction ___ |___ |connects |the |attached |gingiva |to |the |cementum |of |the | tooth's |root |and |the |alveolar |bone |- |CORRECT |ANSWERS | ✔✔Periodontal |fibers Alveolar |Mucosa |- |CORRECT |ANSWERS |✔✔A |thin |soft |tissue |that |is | loosely |attached |to |the |underlying |bone A |right |handed |operator |would |function |in |the |- |CORRECT | ANSWERS |✔✔ 8 |to | 12 |o'clock |zone A |left |handed |operator |would |function |in |the |- |CORRECT |ANSWERS | ✔✔ 12 |to | 4 |o'clock |zone
An |assistant |occupies |the |____ |zone |when |assisting |right |handed | operators |- |CORRECT |ANSWERS |✔✔ 2 |to | 5 |o'clock |zone An |assistant |occupies |the |___ |zone |when |assisting |left |handed | operators |- |CORRECT |ANSWERS |✔✔ 7 |to | 10 |o'clock |zone Majority |of |procedures |can |be |performed |with |a |right |handed | operator |in |the |- |CORRECT |ANSWERS |✔✔ 11 |to | 12 |o'clock |position Majority |of |procedures |can |be |performed |with |a |left |handed | operator |in |the |- |CORRECT |ANSWERS |✔✔ 12 |to | 1 |o'clock |position The |three |basic |parts |of |an |instrument |are |the |- |CORRECT |ANSWERS |✔✔working |end, |the |shank, |and |the |handle Compactors |- |CORRECT |ANSWERS |✔✔Used |to |condense |or |adapt | amalgams, |composite |resins, |and |temporary |filling |materials |into | cavity |preparations Carvers |- |CORRECT |ANSWERS |✔✔Used |to |remove |excess |amalgam, | composite |resins, |and |temporary |filling |materials |from |the | preparation |& |to |contour |the |materials |so |they |blend |with |the | remaining |tooth |structure
Conventional |pen |grasp |- |CORRECT |ANSWERS |✔✔Similar |to |holding | a |pencil Modified |pen |grasp |- |CORRECT |ANSWERS |✔✔Held |near |the | junction |of |the |handle |and |shank |between |the |first |finger |and | thumb. |First |finger |is |placed |on |top |of |the |instrument, |opposite | the |thumb |on |the |underside. |Pad |of |the |second |finger |is |placed | on |top |of |the |shank, |closer |to |the |thumb |on |the |under |side. Adaption |- |CORRECT |ANSWERS |✔✔The |relationship |between |the | working |end |of |the |instrument |and |the |tooth |surface Advantages |for |the |operator |working |in |a |dry |field |- |CORRECT | ANSWERS |✔✔Better |visibility, |clean/dry |cavity |walls, |development |of | full |properties |in |materials, |easier |access |to |cavity |walls Cotton |rolls |- |CORRECT |ANSWERS |✔✔The |oldest |method |used |for | retraction |and |dryness |and |are |recommended |for |isolation |during | short |procedures Where |are |cotton |rolls |placed? |- |CORRECT |ANSWERS |✔✔In |the | vestibules |or |floor |of |the |mouth |adjacent |to |the |operating |sites. | Should |be |adjacent |to |the |parotid |& |sublingual |gland |ducts |to | absorb |the |flow |of |saliva |from |these |ducts
Mechanical |cotton |roll |holders |- |CORRECT |ANSWERS |✔✔What |may | be |used |on |the |mandibular |arches |that |hold |two |cotton |rolls |that | is |stabilized |by |a |locking |plate |under |the |patients |chin? What |is |the |advantage |of |a |cotton |roll |holder? |- |CORRECT | ANSWERS |✔✔The |cheek |and |tongue |are |slightly |retracted |giving | better |visibility What |is |the |advantage |of |using |cotton |rolls |for |isolation? |- |CORRECT |ANSWERS |✔✔Ease |& |speed |of |application What |is |the |disadvantage |of |using |cotton |rolls |for |isolation? |- | CORRECT |ANSWERS |✔✔Become |saturated |& |must |be |changed | frequently, |risk |of |contaminating |during |changing, |offers |limited | retraction |and |no |gingival |retraction, |no |protection |against | aspiration What |does |the |rubber |dam |do |in |isolation? |- |CORRECT |ANSWERS | ✔✔Eliminates |saliva |from |the |field |of |operation, |allows |the |clinical | crown |of |the |tooth |to |be |exposed |while |slightly |retracting |and | controlling |the |soft |tissues, |increases |access |to |the |operator |by | controlling |lips, |cheek, |tongue, |and |protects |against |aspiration
Points |- |CORRECT |ANSWERS |✔✔The |parts |of |the |jaws |that |contact | the |tooth |when |the |clamp |is |properly |placed |on |the |tooth Bow |- |CORRECT |ANSWERS |✔✔An |arched |band |of |metal |joining |the | two |jaws |of |the |clamp |together. |A |piece |of |waxed |dental |floss, | acting |as |a |safety |ligature, |is |tied |here How |do |you |stabilize |the |dam? |- |CORRECT |ANSWERS |✔✔Ligate |the | tooth |farthest |from |the |clamped |tooth What |is |the |first |step |to |rubber |dam |removal? |- |CORRECT | ANSWERS |✔✔Debris |to |be |evacuated |off. |Remove |ligation. |Use | scissors |and |cut |each |interdental |septum For |facial |class | 5 |restorations |with |a |dam |- |CORRECT |ANSWERS | ✔✔Displace |the |hole |facially |3-6mm For |lingual |class | 5 |restorations |with |a |dam |- |CORRECT |ANSWERS | ✔✔Displace |the |hole |lingually |3-6mm Where |do |you |position |the |facial |jaw |for |the |gingival |retractor? |- | CORRECT |ANSWERS |✔✔0.5-1mm |gingival |to |the |proposed |gingival | margin |of |the |preparation
When |removing |the |gingival |retractor |___ |- |CORRECT |ANSWERS | ✔✔The |jaws |should |not |touch |the |restoration Sealers |- |CORRECT |ANSWERS |✔✔Function |to |seal |off |the |cavity | preparation. |Used |in |very |thin |layers. |May |also |be |known |as |liners. | Seal |off |the |openings |of |the |cut |dentinal |tubules ___ |cannot |provide |thermal |insulation |because |they |are |too |thin |- | CORRECT |ANSWERS |✔✔Sealers What |is |cavity |varnish |composed |of? |- |CORRECT |ANSWERS | ✔✔Natural |or |synthetic |resins |dissolved |in |an |organic |volatile | solvent |such |as |ether, |acetone, |or |chloroform What |cannot |be |used |under |resin? |- |CORRECT |ANSWERS |✔✔Cavity | varnish How |many |coats |of |cavity |varnish |should |be |applied? |- |CORRECT | ANSWERS |✔✔Two Resin |cements |- |CORRECT |ANSWERS |✔✔Have |low |solubility |& |are | able |to |seal |the |cavity |surface |below |an |amalgam |restoration
