PRELIM: FPD

Question 1

Factors that contribute to further irritation and demise of abutment tooth

Answer 1

App of irritating med
Poorly fitted
Poorly cemented
App of hot
Indiscriminate
Trauma from
Trauma from forces
Irritation from acid
Hydraulic pressure gen during cementation

Question 2

Other factors which ABUSE the Tooth

Answer 2

BOBTA

Question 3

How to reduce the ODDS of inducing IRREVERSIBLE DAMAGE to the Abt

Answer 3

1. Avoid drugs/meds that may do more harm than benefit
2. Repairing and recontouring the abt tth with non irr and adhesive resto matls
3. Prov well fitting protec covering
4. Recog the factors that contribute to pain or discomfort

Question 4

Pain may be caused by

Answer 4

Leakage in the protective covering
Hydraulic pressure engendered during cementation
High occ

Question 5

Biophysical factors rel to FP

Answer 5

Acc of fit
Resist to deformation
Int surface texture
Length of bridge span
Design of fixed prosthesis

Question 6

Basic rules for a cantilever fpd

Answer 6

Should only have Single pontic
Abt retainer should only be full crowns
2 or more abts
Good root and crown length and perio con
Pontic should be slightly smaller

Question 7

Principles of tooth prep

Answer 7

Pres of tooth structure
Ret resis
Struc durability
Marginal integrity
Pres of the periodontium

Question 8

Against removal along path of insertion or log axis of the tth prep

Answer 8

Retention

Question 9

Against dislodgement by forces in apical or oblique

Answer 9

Resistance

Question 10

2 elements of retention

Answer 10

Ext

Int

Question 11

External (ret)

Answer 11

BuLi of prep tth

Question 12

Int (ret)

Answer 12

BuLi walls of a prox box of inlay

Question 13

Recommended taper

Answer 13

3-5

Question 14

Taper for both walls

Answer 14

6-10

Question 15

An imag line wc resto is placed onto or removed from the prep

Answer 15

Path of insertion

Question 16

A resto must contain bulk of matl

Answer 16

Struc durability

Question 17

Gold
Fxn
Non fxnal

Answer 17

1. 5 fxn

1. 0 nonfxnal

Question 18

pfmc
Fxn
Nonfxnal

Answer 18

1.5-2 fnx

1-1.5 nonfxn

Question 19

Fxnal cusp bevel
Upper -
Lower -

Answer 19

Upper - Li

Lower - bu

Question 20

Margin of veneer

Answer 20

Chamfer

Question 21

All ceramic margin

Answer 21

Shoulder

Question 22

Inlays onlays

Answer 22

Shoulder bevel

Question 23

Bulk axial reduc and shoulder prep

Answer 23

Flat ended tapered

Question 24

Depth grooves bur

Answer 24

Round diamond

Question 25

Lingual reduc bur

Answer 25

Oblong football

Question 26

Bur for bevel

Answer 26

Tapered oblong or flame

Question 27

Bur chamfer for molars

Answer 27

Straight cylinder with tapered pt

Question 28

Bur for axial and occ reduc

Answer 28

Round ended tapered diamond cylinder

Question 29

Bur for gross reduction, ant li reduc

Answer 29

Round diamond wheels

Question 30

Bur for prox slices to remove contact

Answer 30

Thin tapered diamond cones (needle)

Question 31

Bur for groove placement

Answer 31

Cross cut fissure bur

Question 32

Indications of FPD

Answer 32

Short span es Px preference Presence of spund tth that can offer suff support adj to the es Cases pf ridge resorption where and rpd cannot be stable Mentally compromised or physically handicapped px who cant maintain an rpd

Question 33

Contraix of fpd

Answer 33

``` Very yound pxs with large pulp chambers Large amt of bone loss as in trauma Long span es Very old pxs Mentally compromised pxs ```

Question 34

Types of retainer accdg to tth coverage

Answer 34

Fvc Pvc Conservative - maryland, fiber reinforced fpd

Question 35

Types of retainer accdg to matl

Answer 35

All metal Metal/cer All cer All acrylic

Question 36

Economically best type of crown for ant and post

Answer 36

Metal ceramic crowns

Question 37

Least conservative crown

Answer 37

All ceramic

Question 38

Ideal req for pontics

Answer 38

``` Shld restore fnx of tth Provide good esthetics Comfortable to pxs Biocompatible Permit eff oh, easy to clean Preserve mucosa and bobe ```

Question 39

Indications of cantilever fpd

Answer 39

Es and psych cons To avoiduse of rpd To avoidthe acutting and prep of tth across the span Occ to provide a housing for an att

Question 40

Indications for fpd

Answer 40

SP-CP-M

Question 41

Types of retainer accdg to tooth coverage

Answer 41

Pvc Fvc Conservative - maryland/fiberreinforced

Question 42

Types of ret accdg to MATERIAL

Answer 42

All metal Metal/cer All cer All acrylic

Question 43

Criteria for selecting type of retainer

Answer 43

``` Appearance Alignment of abt Cond of abt Cost Preser of ts ```