Influence of Different Restorative Techniques on the Strength of Endodontically Treated Weakened Roots

Table 1

Sample grouping.

Groups	No. of samples	Treatment
Group 1	10	No treatment
Group 2	10	Prepared weakened roots without obturation
Group 3	20	Prepared weakened roots obturated with gutta-percha and resin sealer
Group 4	20	Prepared weakened roots that apically obturated with gutta-percha and resin sealer and restored coronally with bonded composite resin and glass fiber post
Group 5	20	Prepared weakened roots obturated with resilon and epiphany resin sealer
Group 6	20	Prepared weakened roots that apically obturated with resilon and epiphany and restored coronally with bonded composite resin and glass fiber post