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  Indian J Med Microbiol
 

Figure 2: (a) Schematic diagram of Z-spring showing different parts of spring. Spring has two coils of 4 mm diameter each. The length of the two horizontal arms is 15mm. The length of diagonal arm decided according to VD at rest of patient, (b) side view of Z-spring obturator showing z-spring attached to maxillary and mandibular record base, (c) front view of Z-spring obturator showing retaining clasps and buccal acrylic button of mandibular denture base and tissue surface of maxillary obturator, (d) frontal view of Z-spring-retained obturator showing maxillary impression surface of obturator with minimal or no extension into defect thus not requiring hollowing, (e) postoperative intraoral view of seated obturator in the maximum opening of the mouth, (f) postoperative intraoral view of seated obturator in maximum closing of the mouth, (g) postoperative left lateral view of seated obturator during the opening of the mouth

Figure 2: (a) Schematic diagram of Z-spring showing different parts of spring. Spring has two coils of 4 mm diameter each. The length of the two horizontal arms is 15mm. The length of diagonal arm decided according to VD at rest of patient, (b) side view of Z-spring obturator showing z-spring attached to maxillary and mandibular record base, (c) front view of Z-spring obturator showing retaining clasps and buccal acrylic button of mandibular denture base and tissue surface of maxillary obturator, (d) frontal view of Z-spring-retained obturator showing maxillary impression surface of obturator with minimal or no extension into defect thus not requiring hollowing, (e) postoperative intraoral view of seated obturator in the maximum opening of the mouth, (f) postoperative intraoral view of seated obturator in maximum closing of the mouth, (g) postoperative left lateral view of seated obturator during the opening of the mouth