J Dent Rehabil Appl Sci.  2022 Jun;38(2):110-119. 10.14368/jdras.2022.38.2.110.

Mandibular implant assisted removable partial denture with a small number of implant crowns: two case reports

• Kim Y
• Lee S

• KMID: 2535012
• DOI: http://doi.org/10.14368/jdras.2022.38.2.110

Abstract

When restoration for partially edentulous patients, abutments are not always in favorable positions for making removable partial dentures. Because of these situations, patients are sometimes unsatisfied with the stability and support of their removable partial prostheses. In this regard, removable partial denture using a few implant surveyed crown prostheses can be a good alternative. It can be expected to increase stability and support of removable partial dentures by strategically placing a small number of implants and restoring with implant-supported surveyed crowns. In these cases, the patients who had unilateral residual teeth on mandible were treated with two implant surveyed crowns in the tactical place to have bilateral distribution. After definitive removable partial prosthesis, the patients showed satisfaction with the masticatory function and comfort of using removable dentures.

Keyword

dental implant; implant crown; mandibular removable partial denture; implant assisted removable partial denture

Figure

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  Fig. 1 Pre-operative intraoral photographs (A - F), radiographic evaluation (G). (A) Occlusal view with old upper denture, (B) Frontal view with old restorations, (C) Occlusal view with old lower denture, (D) Occlusal view of maxilla, (E) Frontal view, (F) Occlusal view of mandible, (G) Panoramic radiograph.

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  Fig. 2 Radiographic examination. (A) Implant surgical planning of #33 area, (B) Implant surgical planning of #34 area, (C) Panoramic radiograph after implantation

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  Fig. 3 Post-operative intraoral photograph (A, C - F) and definitive prostheses (B, G). (A) Maxillary occlusal view, (B) Maxillary complete denture, (C) Right lateral view, (D) Frontal view, (E) Left lateral view, (F) Mandibular occlusal view, (G) Mandibular removable partial prostheses.

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  Fig. 4 Radiographs after placement of the definitive prostheses. (A) Panoramic radiograph, (B) Periapical radiograph of #33i, 34i.

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  Fig. 5 Initial intraoral photographs (A - C), Facial photographs before treatment (D - F), initial panoramic radiograph (G). (A) Maxillary occlusal view, (B) Frontal view, (C) Mandibular occlusal view, (D) Frontal view, (E) Frontal smile view, (F) Right lateral view.

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  Fig. 6 Radiographic examination. (A) Implant surgical planning of #44 area, (B) Implant surgical planning of #47 area, (C) Panoramic radiograph after implantation.

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  Fig. 7 Provisional prosthesis. (A) Right lateral view, (B) Frontal view, (C) Left lateral view.

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  Fig. 8 Intraoral photographs after definitive prosthesis delivery. (A) Occlusal view with maxillary prosthesis, (B) Frontal view with definitive prostheses, (C) Occlusal view with mandibular prosthesis, (D) Occlusal view of maxilla, (E) Frontal view, (F) Occlusal view of mandible.

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  Fig. 9 Panoramic radiograph after placement of the definitive prostheses.

Reference

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