Table 1: Measurements of interabutment distances on the master model and stone casts for all four groups in mm

S. no.				Master model				Group I				Group II				Group III				Group IV
				1-2		2-3		1-2		2-3		1-2		2-3		1-2		2-3		1-2		2-3
1				17.771		17.428		17.826		17.49		17.788		17.456		17.807		17.473		17.648		17.336
2								17.825		17.491		17.789		17.455		17.808		17.464		17.662		17.341
3								17.828		17.484		17.79		17.464		17.806		17.476		17.645		17.334
4								17.829		17.486		17.792		17.458		17.817		17.463		17.644		17.328
5								17.83		17.489		17.791		17.465		17.816		17.472		17.653		17.325
6								17.823		17.488		17.795		17.459		17.809		17.466		17.646		17.339
7								17.827		17.49		17.798		17.462		17.794		17.471		17.663		17.324
8								17.833		17.487		17.793		17.463		17.805		17.473		17.643		17.332
9								17.824		17.489		17.797		17.457		17.802		17.466		17.665		17.326
10								17.834		17.491		17.787		17.46		17.804		17.473		17.651		17.338