Effect of Ferrule Location on Fracture Resistance of Maxillary Premolars: An In Vitro Study

Figure 1

Preparation of different ferrule designs in test groups: (a) Without ferrule, (b) circumferential ferrule, (c) buccal ferrule, (d) lingual ferrule, (e) buccal–lingual ferrule, and (f) mesial ferrule.

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(b)

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