prostho 2 lesson 1

Question 1

branch of Dentistry pertaining to MAINTENANCE and
RESTORATION of oral function, comfort, health and general
appearance of patient by REPLACING missing tooth or teeth
and its contagious structure with an ARTIFICIAL SUBSTITUTE

Answer 1

*Prosthodontics

Question 2

art and science of SUPPLYING or PROVIDING REPLACEMENT
of the missing body part

Answer 2

prosthetic

Question 3

ARTIFICIAL REPLACEMENT of the missing part of the human
body

Answer 3

prosthesis

Question 4

resists VERTICAL forces of dislodgement

Answer 4

Retention

Question 5

resist displacement by FRICTIONAL, HORIZONTAL, or
ROTATIONAL stresses

Answer 5

resistance

Question 6

receive all their support from the ABUTMENT TEETH

Answer 6

tooth-(supported) borne

Question 7

supported at one end by NATURAL TEETH, which essentially
do not move, and at the other end by the DENTURE BEARING
TISSUE (mucosa overlying bone) which moves because of the
resiliency of the mucosa

Answer 7

tooth - tissue borne

Question 8

base extending posteriorly on a removable partial denture

Answer 8

distal extension partial denture

Question 9

portion of an implants that supports and retain dentures

Answer 9

abutment

Question 10

portion of the residual bone and its soft tissue covering
remains after tooth extractions

Answer 10

residual ridge

Question 11

JOINS the components on one side of the arch to those on the opposite side

Answer 11

major connector

Question 12

used to RETAIN and PREVENT DISLODGEMENT
commonly called “clasp” or “clasp unit”

Answer 12

direct retainer

Question 13

direct retainer composed of

Answer 13

REST, RETENTIVE ARM,
RECIPROCAL ARM, MINOR CONNECTOR

Question 14

PREVENTS or RESISTS MOVEMENTS or ROTATIONS of the
base away from residual ridge

Answer 14

indirect retainer

Question 15

a rigid extension of RPD which contacts a tooth to DISSIPATE forces

Answer 15

rest

Question 16

FLEXIBLE SEGMENT that engages an undercut on an abutment
and is designed to retain the denture
tapered end

Answer 16

retentive arm

Question 17

resist tooth movements in response to the retainer arm

Answer 17

reciprocal arm

Question 18

COVERS the residual ridges and supports denture teeth

Answer 18

denture base

Question 19

plane which guides movement

two or more PARALLEL AXIAL SURFACES ON ABUTMENT teeth which limit the path of insertion

Answer 19

guide plane

Question 20

a dental prosthesis to be used for a short interval of time for
reasons of esthetics, mastication, occlusal support, or
convenience

Answer 20

provisional or interim denture

Question 21

the measurement of a tooth from the lingual to the vestibular in its greatest buldge

Answer 21

height of contour

Question 22

the portion of the surface of an object that is BELOW THE height of contour

Answer 22

undercut

Question 23

an instrument used to determine the relative parallelism of two or more axial surfaces

Answer 23

dental cast surveyor

Question 24

resurfacing the tissue side of a denture with a new material to
FILL THE SPACE that exists between the original denture
contour and the altered tissue contour

Answer 24

relining

Question 25

the process of REPLACING THE ENTIRE ACRYLIC DENTURE
BASE providing a stable denture without replacing the denture *teeth

Answer 25

rebasing

Question 26

CONNECTING LINK between the MAJOR CONNECTOR or
base of RPD prosthesis and the OTHER UNITS of the prosthesis

Answer 26

minor connector