{"id":546,"date":"2024-03-07T10:40:28","date_gmt":"2024-03-07T10:40:28","guid":{"rendered":"https:\/\/ekitap.ankara.edu.tr\/dentures\/chapter\/kennedy-cl-iii\/"},"modified":"2025-09-11T11:41:46","modified_gmt":"2025-09-11T11:41:46","slug":"kennedy-cl-iii","status":"publish","type":"chapter","link":"https:\/\/ekitap.ankara.edu.tr\/dentures\/chapter\/kennedy-cl-iii\/","title":{"raw":"Maxillary Kennedy Cl III","rendered":"Maxillary Kennedy Cl III"},"content":{"raw":"

Maxillary Kennedy Cl III<\/h2>\r\nCase 26.<\/strong> Figure 11.26\r\n\r\n[caption id=\"attachment_532\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.26. a)<\/strong> Class III: Quadrilateral support plane formed by the terminal abutments of teeth 24, 28, 14, and 17.[\/caption]\r\n\r\n[caption id=\"attachment_533\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.26. b)<\/strong> Metal framework design.[\/caption]\r\n

Case description and design parameters<\/strong><\/h3>\r\n

Case classification:<\/strong>
A single tooth-supported edentulous area; Class III<\/p>\r\n

Support areas:<\/strong>
Tooth support:<\/strong> Terminal abutments; quadrilateral support plane formed by the terminal abutments of teeth 24, 28, 14, and 17
Occlusal rests: 14 and 24 (DO), 17 and 28 (MO)<\/p>\r\n

Guide planes:<\/strong>
Tooth-supported: 24 (D), 28 (M)<\/p>\r\n

Direct retainer:<\/strong>
Akers clasps; 14 and 24 (MB undercut), 17 and 28 (DB undercut)<\/p>\r\n

If interocclusal space is insufficient, the clasp on tooth 14 may be omitted; in this case, only the occlusal rest (DO or MO) is used to support the major connector.<\/em><\/p>\r\n

Reciprocation:<\/strong>
Reciprocating clasp arm<\/p>\r\n

Indirect retainer:<\/strong>
Not required due to the absence of a distal extension base<\/p>\r\n

Major connector:<\/strong>
Palatal strap<\/p>\r\n

Minor connectors:<\/strong>
Elements connecting the clasps and artificial teeth to the major connector<\/p>\r\n

Denture base and artificial teeth:<\/strong>
Tooth-supported base; metal-acrylic base and acrylic artificial teeth<\/p>\r\n\r\n

Maxillary Kennedy Cl III modifications<\/h2>\r\n\r\nCase 27.<\/strong> Figure 11.27\r\n<\/strong>\r\n\r\n[caption id=\"attachment_534\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.27. a)<\/strong> Class III Mod 1: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 13, and 16.[\/caption]\r\n\r\n[caption id=\"attachment_535\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.27. b)<\/strong> Metal framework design[\/caption]\r\n\r\nCase 28.<\/strong> Figure 11.28\r\n\r\n[caption id=\"attachment_536\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.28. a)<\/strong> Cl III Mod 2: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17.[\/caption]\r\n\r\n[caption id=\"attachment_1410\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.28. b)<\/strong> Metal framework design.[\/caption]\r\n

Case classification:<\/strong>
Three tooth-supported edentulous areas; Class III Mod 2<\/p>\r\n

Support areas:<\/strong>
Tooth support:<\/strong> Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17
Secondary abutments: 11, 13, and 14
Occlusal rests: 17 and 27 (MO), 14 (DO)
Cingulum rests: 13, 11, and 23<\/p>\r\n

Guide planes:<\/strong>
Tooth-supported: 11, 14, 23 (D) and 13, 17, 27 (M)<\/p>\r\n

Direct retainer:<\/strong>
Akers clasps: 14 (MB undercut), 17 and 27 (DB undercut); gingival clasp: 23 (MB undercut)<\/p>\r\n

Reciprocation:<\/strong>
Proximal plate and cingulum rest: 23; reciprocating clasp arms: 14, 17, and 27<\/p>\r\n

Indirect retainer:<\/strong>
Not required due to the absence of a distal extension base<\/p>\r\n

Major connector:<\/strong>
U-shaped plate<\/p>\r\n

Minor connectors:<\/strong>
Elements connecting the clasps and artificial teeth to the major connector<\/p>\r\n

Denture base and artificial teeth:<\/strong>
Tooth-supported base; metal-acrylic base with acrylic artificial teeth and facing tooth<\/p>\r\nCase 29.<\/strong> Figure 11.29\r\n\r\n \r\n\r\n[caption id=\"attachment_538\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.29. a)<\/strong> Cl III Mod 3: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17.[\/caption]\r\n\r\n[caption id=\"attachment_1413\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.29. b)<\/strong> Metal framework design.[\/caption]\r\n\r\nCase 30.<\/strong> Figure 11.30\r\n\r\n[caption id=\"attachment_540\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.30. a)<\/strong> Cl III Mod 3: Quadrilateral support plane formed by the terminal abutments of teeth 24, 27, 14, and 16.[\/caption]\r\n\r\n[caption id=\"attachment_1415\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.30. b)<\/strong> Metal framework design.[\/caption]\r\n\r\n \r\n\r\nCase 31.<\/strong> Figure 11.31\r\n\r\n[caption id=\"attachment_542\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.31. a)<\/strong> Cl III Mod 2: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 12, and 17.[\/caption]\r\n\r\n[caption id=\"attachment_1416\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.31. b)<\/strong> Metal framework design.[\/caption]\r\n\r\n \r\n\r\nCase 32.<\/strong> Figure 11.32\r\n\r\n[caption id=\"attachment_544\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.32. a)<\/strong> Cl III Mod 1: Triangular support plane formed by the terminal abutments of teeth 13, 16, and 26.[\/caption]\r\n\r\n[caption id=\"attachment_1417\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.32. b)<\/strong> Metal framework design.[\/caption]\r\n\r\n ","rendered":"

Maxillary Kennedy Cl III<\/h2>\n

Case 26.<\/strong> Figure 11.26<\/p>\n

\"Figure
Figure 11.26. a)<\/strong> Class III: Quadrilateral support plane formed by the terminal abutments of teeth 24, 28, 14, and 17.<\/figcaption><\/figure>\n
\"Figure
Figure 11.26. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

Case description and design parameters<\/strong><\/h3>\n

Case classification:<\/strong>
A single tooth-supported edentulous area; Class III<\/p>\n

Support areas:<\/strong>
Tooth support:<\/strong> Terminal abutments; quadrilateral support plane formed by the terminal abutments of teeth 24, 28, 14, and 17
Occlusal rests: 14 and 24 (DO), 17 and 28 (MO)<\/p>\n

Guide planes:<\/strong>
Tooth-supported: 24 (D), 28 (M)<\/p>\n

Direct retainer:<\/strong>
Akers clasps; 14 and 24 (MB undercut), 17 and 28 (DB undercut)<\/p>\n

If interocclusal space is insufficient, the clasp on tooth 14 may be omitted; in this case, only the occlusal rest (DO or MO) is used to support the major connector.<\/em><\/p>\n

Reciprocation:<\/strong>
Reciprocating clasp arm<\/p>\n

Indirect retainer:<\/strong>
Not required due to the absence of a distal extension base<\/p>\n

Major connector:<\/strong>
Palatal strap<\/p>\n

Minor connectors:<\/strong>
Elements connecting the clasps and artificial teeth to the major connector<\/p>\n

Denture base and artificial teeth:<\/strong>
Tooth-supported base; metal-acrylic base and acrylic artificial teeth<\/p>\n

Maxillary Kennedy Cl III modifications<\/h2>\n


\nCase 27.<\/strong> Figure 11.27
\n<\/strong><\/p>\n

\"Figure
Figure 11.27. a)<\/strong> Class III Mod 1: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 13, and 16.<\/figcaption><\/figure>\n
\"Figure
Figure 11.27. b)<\/strong> Metal framework design<\/figcaption><\/figure>\n

Case 28.<\/strong> Figure 11.28<\/p>\n

\"Figure
Figure 11.28. a)<\/strong> Cl III Mod 2: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17.<\/figcaption><\/figure>\n
\"Figure
Figure 11.28. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

Case classification:<\/strong>
Three tooth-supported edentulous areas; Class III Mod 2<\/p>\n

Support areas:<\/strong>
Tooth support:<\/strong> Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17
Secondary abutments: 11, 13, and 14
Occlusal rests: 17 and 27 (MO), 14 (DO)
Cingulum rests: 13, 11, and 23<\/p>\n

Guide planes:<\/strong>
Tooth-supported: 11, 14, 23 (D) and 13, 17, 27 (M)<\/p>\n

Direct retainer:<\/strong>
Akers clasps: 14 (MB undercut), 17 and 27 (DB undercut); gingival clasp: 23 (MB undercut)<\/p>\n

Reciprocation:<\/strong>
Proximal plate and cingulum rest: 23; reciprocating clasp arms: 14, 17, and 27<\/p>\n

Indirect retainer:<\/strong>
Not required due to the absence of a distal extension base<\/p>\n

Major connector:<\/strong>
U-shaped plate<\/p>\n

Minor connectors:<\/strong>
Elements connecting the clasps and artificial teeth to the major connector<\/p>\n

Denture base and artificial teeth:<\/strong>
Tooth-supported base; metal-acrylic base with acrylic artificial teeth and facing tooth<\/p>\n

Case 29.<\/strong> Figure 11.29<\/p>\n

 <\/p>\n

\"Figure
Figure 11.29. a)<\/strong> Cl III Mod 3: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 14, and 17.<\/figcaption><\/figure>\n
\"Figure
Figure 11.29. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

Case 30.<\/strong> Figure 11.30<\/p>\n

\"Figure
Figure 11.30. a)<\/strong> Cl III Mod 3: Quadrilateral support plane formed by the terminal abutments of teeth 24, 27, 14, and 16.<\/figcaption><\/figure>\n
\"Figure
Figure 11.30. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

 <\/p>\n

Case 31.<\/strong> Figure 11.31<\/p>\n

\"Figure
Figure 11.31. a)<\/strong> Cl III Mod 2: Quadrilateral support plane formed by the terminal abutments of teeth 23, 27, 12, and 17.<\/figcaption><\/figure>\n
\"Figure
Figure 11.31. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

 <\/p>\n

Case 32.<\/strong> Figure 11.32<\/p>\n

\"Figure
Figure 11.32. a)<\/strong> Cl III Mod 1: Triangular support plane formed by the terminal abutments of teeth 13, 16, and 26.<\/figcaption><\/figure>\n
\"Figure
Figure 11.32. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

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