6. Swenson’s class I partially Swenson’s class II partially edentulous condition edentulous condition Swenson’s class III partially edentulous condition Swenson’s class IV partially Swenson’s class V partially edentulous condition edentulous condition
11. Class I maxillary arch Class II mandibular arch class III mandibular arch Class IV maxillary arch
12.
13. Bailyn's System Class P I – Edentulous region posterior to the cuspid between two available abutments not more than three teeth distant from each other. Class P II – Edentulous bilateral regions posterior to the cuspids with one available abutment tooth for each denture base area. Class P III – edentulous region atleast three teeth posterior to the distal abutment. Class A III – edentulous space anterior to the first bicuspid and between two teeth, more than three teeth distant from each other.
14. Bailyn's System Class A I P II – Edentulous region anterior to the first bicuspid and between two available abutments less than three teeth distant from each other. Class P I P II – both edentulous regions posterior to the cuspids: only one tooth available for anchorage, the other two separated by a distance of at least three teeth. Class A I P III – has three edentulous spaces : One of these is anterior to the first bicuspid with two available anchor teeth separated by a distance of less than three teeth, another posterior to the cuspid with only one tooth for anchorage, third one posterior to the cuspid with two teeth available for abutments separated by less than three teeth
24. Godfrey System Godfrey’s class A partially Godfrey’s class B partially edentulous condition edentulous condition Godfrey’s class C partially Godfrey’s class D partially edentulous condition edentulous condition
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28. Friedman’s type A partially Friedman’s type B partially edentulous condition edentulous condition Friedman’s type C partially edentulous condition
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31. Austin and Lidge class A2 Austin and Lidge class P2 Partially Edentulous condition Partially Edentulous condition Austin and Lidge class AB1 Austin and lidge class PB1 Partially Edentulous condition Partially Edentulous condition
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33. Skinner’s class I partially Skinner’s class IV partially edentulous condition edentulous condition Skinner’s class II partially Skinner’s class V partially edentulous condition edentulous condition
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35. Kennedy-Applegate’s class I Kennedy-Applegate’s class II partially edentulous condition partially edentulous condition Kennedy-Applegate’s class IV partially edentulous condition Kennedy-Applegate’s class V partially edentulous condition