Altered Apical Morphology (Reverse Architecture): Use of Indirect Ultrasonic Technique for Orthograde MTA Placement in Maxillary Premolars

<div>(a) Preoperative radiograph (Case  1). (b) Working length radiograph (Case  1). (c) MTA obturation (Case  1). (d) One-year follow-up radiograph (Case  1).</div>

Case Reports in Dentistry

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Figure 1

Figure 1: Altered Apical Morphology (Reverse Architecture): Use of Indirect Ultrasonic Technique for Orthograde MTA Placement in Maxillary Premolars 