{"id":570,"date":"2024-03-07T10:59:14","date_gmt":"2024-03-07T10:59:14","guid":{"rendered":"https:\/\/ekitap.ankara.edu.tr\/dentures\/chapter\/kennedy-cl-i-2\/"},"modified":"2025-09-11T12:12:41","modified_gmt":"2025-09-11T12:12:41","slug":"kennedy-cl-i-2","status":"publish","type":"chapter","link":"https:\/\/ekitap.ankara.edu.tr\/dentures\/chapter\/kennedy-cl-i-2\/","title":{"raw":"Mandibular Kennedy Cl I","rendered":"Mandibular Kennedy Cl I"},"content":{"raw":"

Mandibular Kennedy Cl I<\/h2>\r\nCase 38.<\/strong> Figure 11.38\r\n\r\n[caption id=\"attachment_562\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.38. a)<\/strong> Cl I: Diametric fulcrum line passing through the terminal abutments of teeth 35 and 45.[\/caption]\r\n\r\n[caption id=\"attachment_563\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.38. b)<\/strong> Metal framework design.[\/caption]\r\n

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

Case classification:<\/strong>
Two distal extension edentulous areas; Class I<\/p>\r\n

Support areas:<\/strong>
Tooth support:<\/strong> Diametric fulcrum line passing between the terminal abutments of teeth 35 and 45
Occlusal rests: 35 and 45 (MO)
*In the presence of interocclusal interference: 35 and 45 (DO)
Tissue support:<\/strong> Mucosal support in the distal extension edentulous areas<\/p>\r\n

Guide planes:<\/strong>
Distal extension: 35 and 45 (D)<\/p>\r\n

Direct retainer:<\/strong>
Bar clasps: 35 and 45 (I bar; MB undercut, Modified T bar; DB undercut)
*In the presence of soft tissue undercuts: gingival clasp; 35 and 45 (MB undercut)<\/p>\r\n

Reciprocation:<\/strong>
MO rests with proximal plates and stabilizing arms<\/p>\r\n

Indirect retainer:<\/strong>
Auxiliary occlusal rests: 34 and 44 (MO)
*Effectiveness increases with the addition of canine extension to the auxiliary occlusal rest<\/p>\r\n

Major connector:<\/strong>
Lingual bar<\/p>\r\n

Minor connectors:<\/strong>
Elements connecting the approach arms of bar clasps, occlusal rests, indirect retainers, and artificial teeth to the major connector<\/p>\r\n

Denture base and artificial teeth:<\/strong>
Distal extension bases; metal-acrylic base and acrylic artificial teeth<\/p>\r\nCase 39.<\/strong> Figure 11.39\r\n\r\n[caption id=\"attachment_564\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.39. a)<\/strong> Diagonal fulcrum line passing through the terminal abutments of teeth 33 and 45.[\/caption]\r\n\r\n[caption id=\"attachment_565\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.39. b)<\/strong> Metal framework design.[\/caption]\r\n\r\n \r\n\r\nCase 40.<\/strong> \u015eekil 11.40\r\n\r\n[caption id=\"attachment_566\" align=\"alignleft\" width=\"300\"]\"Case Case 11.40. a)<\/strong> Cl I: Asymmetric fulcrum line passing through the terminal abutments of teeth 35 and 45.[\/caption]\r\n\r\n[caption id=\"attachment_567\" align=\"alignnone\" width=\"300\"]\"Case Case 11.40. b)<\/strong> Metal framework design.[\/caption]\r\n

Mandibular Kennedy Cl I modifications<\/strong><\/h2>\r\n\r\nCase 41. <\/strong>Figure 11.41\r\n<\/strong>\r\n\r\n[caption id=\"attachment_568\" align=\"alignleft\" width=\"300\"]\"Figure Figure 11.41. a)<\/strong> Cl I Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 34 and 45.[\/caption]\r\n\r\n[caption id=\"attachment_569\" align=\"alignnone\" width=\"300\"]\"Figure Figure 11.41. b)<\/strong> Metal framework design.[\/caption]\r\n

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

Case classification:<\/strong>
Two distal extension and one tooth-supported edentulous areas; Class I Mod 1<\/p>\r\n

Support areas:<\/strong>
Tooth support:<\/strong> Diagonal fulcrum line passing between terminal abutments of teeth 34 and 45
Occlusal rests: 34 and 45 (MO), cingulum rests: 33 and 43
Secondary support: Cingulum rests; 33 and 43
Tissue support:<\/strong> Mucosal support in distal extension edentulous areas<\/p>\r\n

Guide planes:<\/strong>
Distal extension: 34 and 45 (D)
Tooth-supported: 33 and 43 (M)<\/p>\r\n

Direct retainer:<\/strong>
Bar clasps: 34 and 45 (I bar; MB undercut, Modified T bar; DB undercut)
Reciprocation:<\/strong> 34 and 33; proximal plate combined with lingual plate, 43, 44, and 45; proximal plate combined with stabilizing arm<\/p>\r\n

Indirect retainer:<\/strong>
Cingulum rests; 33 and 43 combined with lingual plate<\/p>\r\n

Major connector:<\/strong>
Lingual plate; marginal gingiva exposed in the area of 43, 44, and 45<\/p>\r\n

Minor connectors:<\/strong>
Elements connecting the approach arms of bar clasps, cingulum rests, and artificial teeth to the major connector<\/p>\r\n

Denture base and artificial teeth:<\/strong>
Distal extension bases; metal-acrylic base and acrylic artificial teeth<\/p>\r\n \r\n\r\n ","rendered":"

Mandibular Kennedy Cl I<\/h2>\n

Case 38.<\/strong> Figure 11.38<\/p>\n

\"Figure
Figure 11.38. a)<\/strong> Cl I: Diametric fulcrum line passing through the terminal abutments of teeth 35 and 45.<\/figcaption><\/figure>\n
\"Figure
Figure 11.38. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

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

Case classification:<\/strong>
Two distal extension edentulous areas; Class I<\/p>\n

Support areas:<\/strong>
Tooth support:<\/strong> Diametric fulcrum line passing between the terminal abutments of teeth 35 and 45
Occlusal rests: 35 and 45 (MO)
*In the presence of interocclusal interference: 35 and 45 (DO)
Tissue support:<\/strong> Mucosal support in the distal extension edentulous areas<\/p>\n

Guide planes:<\/strong>
Distal extension: 35 and 45 (D)<\/p>\n

Direct retainer:<\/strong>
Bar clasps: 35 and 45 (I bar; MB undercut, Modified T bar; DB undercut)
*In the presence of soft tissue undercuts: gingival clasp; 35 and 45 (MB undercut)<\/p>\n

Reciprocation:<\/strong>
MO rests with proximal plates and stabilizing arms<\/p>\n

Indirect retainer:<\/strong>
Auxiliary occlusal rests: 34 and 44 (MO)
*Effectiveness increases with the addition of canine extension to the auxiliary occlusal rest<\/p>\n

Major connector:<\/strong>
Lingual bar<\/p>\n

Minor connectors:<\/strong>
Elements connecting the approach arms of bar clasps, occlusal rests, indirect retainers, and artificial teeth to the major connector<\/p>\n

Denture base and artificial teeth:<\/strong>
Distal extension bases; metal-acrylic base and acrylic artificial teeth<\/p>\n

Case 39.<\/strong> Figure 11.39<\/p>\n

\"Figure
Figure 11.39. a)<\/strong> Diagonal fulcrum line passing through the terminal abutments of teeth 33 and 45.<\/figcaption><\/figure>\n
\"Figure
Figure 11.39. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

 <\/p>\n

Case 40.<\/strong> \u015eekil 11.40<\/p>\n

\"Case
Case 11.40. a)<\/strong> Cl I: Asymmetric fulcrum line passing through the terminal abutments of teeth 35 and 45.<\/figcaption><\/figure>\n
\"Case
Case 11.40. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

Mandibular Kennedy Cl I modifications<\/strong><\/h2>\n


\nCase 41. <\/strong>Figure 11.41
\n<\/strong><\/p>\n

\"Figure
Figure 11.41. a)<\/strong> Cl I Mod 1: Diagonal fulcrum line passing through the terminal abutments of teeth 34 and 45.<\/figcaption><\/figure>\n
\"Figure
Figure 11.41. b)<\/strong> Metal framework design.<\/figcaption><\/figure>\n

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

Case classification:<\/strong>
Two distal extension and one tooth-supported edentulous areas; Class I Mod 1<\/p>\n

Support areas:<\/strong>
Tooth support:<\/strong> Diagonal fulcrum line passing between terminal abutments of teeth 34 and 45
Occlusal rests: 34 and 45 (MO), cingulum rests: 33 and 43
Secondary support: Cingulum rests; 33 and 43
Tissue support:<\/strong> Mucosal support in distal extension edentulous areas<\/p>\n

Guide planes:<\/strong>
Distal extension: 34 and 45 (D)
Tooth-supported: 33 and 43 (M)<\/p>\n

Direct retainer:<\/strong>
Bar clasps: 34 and 45 (I bar; MB undercut, Modified T bar; DB undercut)
Reciprocation:<\/strong> 34 and 33; proximal plate combined with lingual plate, 43, 44, and 45; proximal plate combined with stabilizing arm<\/p>\n

Indirect retainer:<\/strong>
Cingulum rests; 33 and 43 combined with lingual plate<\/p>\n

Major connector:<\/strong>
Lingual plate; marginal gingiva exposed in the area of 43, 44, and 45<\/p>\n

Minor connectors:<\/strong>
Elements connecting the approach arms of bar clasps, cingulum rests, and artificial teeth to the major connector<\/p>\n

Denture base and artificial teeth:<\/strong>
Distal extension bases; metal-acrylic base and acrylic artificial teeth<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"author":3,"menu_order":5,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-570","chapter","type-chapter","status-publish","hentry"],"part":475,"_links":{"self":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapters\/570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/wp\/v2\/users\/3"}],"version-history":[{"count":9,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapters\/570\/revisions"}],"predecessor-version":[{"id":1583,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapters\/570\/revisions\/1583"}],"part":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/parts\/475"}],"metadata":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapters\/570\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/wp\/v2\/media?parent=570"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/pressbooks\/v2\/chapter-type?post=570"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/wp\/v2\/contributor?post=570"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/ekitap.ankara.edu.tr\/dentures\/wp-json\/wp\/v2\/license?post=570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}