prostho 2 lec midterms tems Flashcards
That portion of the alveolar process that remained after extraction of tooth or teeth.
Residual Ridge
- Encircles an abutment tooth to provide retention, support and stability of the prosthesis.
(Clasp)
- Defined as the foundation on which a dental prosthesis rests, serves as a foundation.
(Support)
Quality of a prosthesis to be firm, stable, or constant and to resist displacement by functional, horizontal, or rotational stresses
STABILITY
Quality inherent in the denture that resists the vertical forces of dislodgement.
Retention
Portion of a tooth, or a portion of an implant that serves to support and/or retain a prosthesis
Abutment Tooth
Line encircling a tooth, designating its greatest circumference at a selected position determined by a dental surveyor
Height of Contour
When used in reference to an abutment tooth, is that portion of a tooth that lies between the height of contour and the gingiva
Undercut
Two or more vertically parallel surfaces of abutment teeth shaped to direct a prosthesis during placement and removal.
Guiding Planes
- Amount of bone support
- Vertical space
Roentgenographic
- Periodontal pockets
- Firmness of teeth
- Pathology
- Extra oral examination
- Data Gathering
Roent, Visual, Digital exploratory
Sensitivity of teeth
Digital and exploratory
Occlusion
Oral Hygiene
Intra oral examination
Condition of soft tissue
Visual
F. According to Location
G. According to Support
H. According to Material Used
-Tooth-Tissue Borne
(acc. to support)
- Unilateral
(acc. to location)