Mandibular Kennedy Cl II

Mandibular Kennedy Cl II

Case 42. Figure 11.42

Figure 11.42. a) Cl II: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 36.
Figure 11.42. a) Cl II: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 36.
Figure 11.42. b) Metal framework design.
Figure 11.42. b) Metal framework design.

Case description and design parameters

Case classification:
One distal extension edentulous area; Class II

Support areas:
Tooth support: Terminal abutments; diagonal fulcrum line passing between teeth 45 and 36
Embrasure rests: 45, 44 and 35, 36
Tissue support: Mucosal support in the distal extension edentulous area

Guide plane:
Distal extension: 45 (D)

Direct retainer:
Bar clasp: 45 (I bar; MB undercut, Modified T bar; DB undercut) and Akers clasp: 36 (DB undercut)
Reciprocation: 45; occlusal rest with proximal plate, 36; reciprocal clasp arm

Indirect retainer:
Auxiliary occlusal rest and canine extension; 34 and 33

Major connector:
Lingual bar

Minor connectors:
Elements connecting the approach arm of the bar clasp, occlusal rest, indirect retainer, and artificial teeth to the major connector

Denture base and artificial teeth:
Distal extension base; metal-acrylic base and acrylic artificial teeth

Mandibular Kennedy Cl II modifications

Case 43. Figure 11.43

Figure 11.43. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 37.
Figure 11.43. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 37.
Figure 11.43. b) Metal framework design.
Figure 11.43. b) Metal framework design.

Case description and design parameters

Case classification:
One distal extension and one tooth-supported edentulous area; Class II Mod 1

Support areas:
Tooth support: Terminal abutments; diagonal fulcrum line passing between teeth 45 and 37
Occlusal rests: 35 (DO), 37, 44, 45 (MO)
Secondary support: 35; occlusal rest (DO)
Tissue support: Mucosal support in the distal extension edentulous area

Guide planes:
Distal extension: 45 (D)
Tooth-supported: 35 (D) and 37 (M)

Direct retainers:
Bar clasp: 45 (I bar; MB undercut, Modified T bar; DB undercut), Akers clasp: 37 (DB undercut), and wrought wire clasp: 35 (MB undercut)
Reciprocation: 45; stabilizing arm, 35 and 37; reciprocal clasp arm

Indirect retainers:
Occlusal rests: 35 (DO), 44 (MO)

Major connector:
Lingual bar

Minor connectors:
Elements connecting the approach arm of the bar clasp, embrasure rest, and artificial teeth to the major connector

Denture base and artificial teeth:
Distal extension base; metal-acrylic base, acrylic artificial teeth, and tube tooth; 36

Case 44. Figure 11.44

Figure 11.44. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 38.
Figure 11.44. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 38.
Figure 11.44. b) Metal framework design.
Figure 11.44. b) Metal framework design.

 

Case 45. Figure 11.45

Figure 11.45. a) Cl II Mod 2: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 38.
Figure 11.45. a) Cl II Mod 2: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 38.
Figure 11.45. b) Metal framework design.
Figure 11.45. b) Metal framework design.

 

Case 46. Figure 11.46

Figure 11.46. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 36.
Figure 11.46. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 36.
Figure 11.46. b) Metal framework design.
Figure 11.46. b) Metal framework design.

 

Case 47. Figure 11.47

Figure 11.47. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 37.
Figure 11.47. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 45 and 37.
Figure 11.47. b) Metal framework design.
Figure 11.47. b) Metal framework design.

 

Case 48. Figure 11.48 

Figure 11.48. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 44 and 36.
Figure 11.48. a) Cl II Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 44 and 36.
Figure 11.48.b) Metal framework design.
Figure 11.48.b) Metal framework design.

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A Guide to Removable Partial Denture Planning Copyright © 2025 by Funda Akaltan. All Rights Reserved.

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