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Prostho Wells > FPD, CD, RPD > Flashcards

FPD, CD, RPD Flashcards

1
Q

Finish line of onlay

A

0.5- 1mm

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2
Q

Full crown preparation

A

2-5* taper of convergence towards the occlusal

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3
Q

Occlusal reduction of 3 quarter crown

A

1.5-2mm

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4
Q

PFMC labial tooth reduction

A

1.75-2mm

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5
Q

PFMC

A

shoulder

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6
Q

Metal

A

Chamfer

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7
Q

3 most common material used impression materials

A

Polysulfide
Silicone
Hydrocolloids

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8
Q

Hydrocolloid tray material

A

115-118*F

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9
Q

4 temporary restorations material

A
  1. Zoe cement
  2. Soft metal crowns
  3. Polycarbonate preformed crowns
  4. Autocuring acrylic resin
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10
Q

inlat preparation when the time interval will be brief. use & soothing to the pulp but it fractures easily & contrainidicated for large preparations

A

ZOE cement

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11
Q

Most versatile material used

A

Autocuring acrylic resin

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12
Q

not stable . exhibit syneresis & imbibition

A

Hydrocolloid

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13
Q

More stable than hydrocolloid

A

Polysulfide

Silicone Rubber base

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14
Q

Tx, for making cast restorations

A

Lost Wax Technique

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15
Q

HOC facial surface of posterior teeth

A

Gingival 1/3

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16
Q

Hygroscopic

A

Water

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17
Q

Thermal

A

Heat

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18
Q

Setting

A

Air

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19
Q

Spruing

A

Crucible Former

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20
Q

Serves as chushon inside the ring to allow expansion of the investmenr & allow easier removal of the investment & the restoration after casting is completed

A

Asbestos

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21
Q

mixing of the precombustion zone zone next to the end of the torch . It is cool

A

Colorless zone

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22
Q

Greenish blue in color

A

Combustion zone

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23
Q

Highest temp. & prevent the formation of the oxides in the casting

A

Reducing Zone - Blue

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24
Q

NOT used in heating the gold

A

Oxidizing zone

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25
Q

Mand. posterior regions only purpose place porcelain next to the ridge

A

Sanitary Pontic

26
Q

composed of facial portion of porcelain & a cast mmetal backing to withstand the occlusal forces procimal surfsces

A

Flatback facing pontic

27
Q

Design for max. posterior region

28
Q

Joining of 2 metal parts by the use of another metal

29
Q

Noncrystallin glass composed of silicone & oxygen (SiO4 tetrahedra)

30
Q

Dental Porcelain

A

Low fusing temp.
High viscosity
Resistance to devitrification

31
Q

Porcelain fuses high temp.

A

2350F- 2500F (1290-1370*C)

32
Q

Composition of Porcelain

A

Feldspar
Quartz
Kaolin

33
Q

undergo fusion becomes glossy give porcelain translucent quality

34
Q

Holds the particles together before the porcelain is fire

35
Q

Low & medium fusing porcelain are similar process referred

36
Q

Used to male the porcelain opaque so that it will make the metal coping under the porcelian

A
  1. Zirconium oxide
  2. Titanium oxide
  3. Tin oxide
37
Q

Porcelain veneer 3 layers

A
  1. Opaque
  2. Body
  3. Incisal
38
Q

serve to obscure the metal coping

39
Q

basic shading of porcelain

40
Q

translucent & gradually fade out gingivally

A

Incisal porcelain

41
Q

Good compressive strength &:film thickness but is not high in tensile strength very low ph 3.5 potentially injurious to the pulp

A

Zinc Phosphate cement

42
Q

Adequate compressive strength & excellent tensile strength not too soluble to oral fluids ph 4.8

A

Polycarboxylate cement

43
Q

cement has good compressive strength & adequate tensile strength & it is not too soluble

A

Orthoethoxybenzoic Acid (EBA)

44
Q

Polymer reinforcement is not a goodpermanent cement because of its limited strength

45
Q

Chief advantage of Zinc Phosphate cement

A

Zinc Phosphate Cement

46
Q

Adv. of Polycarboxylate cement

A

Lack of irritation to the pulp

47
Q

the anteroposterior plane of occlusion should be parallel to the plane of the denture foundation

A

Neutrocentric Occlusion

48
Q

relative parallelism of 2 or more surfaces of the teerh or other parts of diagnostic cast

49
Q

2 or more parallel vertical surfaces of abutment teeth so shaped as to direct prosthesis during placement & removal

A

Guiding Plane

50
Q

one used prior to the construction of fixed prosthesis/ definitve removable partial denture

A

Interim / Training Prosthesis

51
Q

Prosthesis to which teeth are added as natural teeth are losr

A

Transitional RPD

52
Q

one used to establish a new occlusal relationship or to restore vertical dimension. Abused tissue prior to thenconstruction of definitive prosthesis

A

Tx. Prosthesis

53
Q

Inflammatory Fibrous Hyperplasia

A

Epulis Fissuratum

54
Q

ability of a denture to resist the vertical unseating force which are produces by gravitt the adhesion of foods & thenforces associated with opening of jaws

55
Q

resist horizontal forces

56
Q

resistance offered to the vertical forces of mastication applied to the denture

57
Q

both knife edge finish line & chamfer finish line possess_________ which allows the restoration to have relatively tight contact with the preparation wall before the restoration is even seated completely

A

“sliding fit”

58
Q

resistant to wear

mechanically retained in the denture base

A

Porcelain artificial teeth

59
Q

relatively easy to restore finsh, & polish after occlusal adjustmen

A

Acryclic resin

60
Q

accurate

A

metal / porcelain

61
Q

final impression

A

ZOE & Irreversible hydrocolloid

Prostho Wells (1 decks)

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