Journal List > J Korean Acad Prosthodont > v.55(3) > 1034941

Kim and Lee: Resin bonded fixed prosthesis for single tooth restoration: A case report


In the case of single tooth replacement, a fixed prosthesis or a dental implant is the treatment option commonly selected as first choice. However, any amount of sound tooth structure should be removed to prepare the abutment teeth for full coverage retainer. The adjacent tooth damage can be avoided placing a dental implant. However, depending on the patient's oral condition and any other circumstances, it may be impossible or delayed. In this case resin bonded fixed partial denture was selected as an alternative that can restore single tooth loss without much tooth structure removal to the young patients and the patients with gingival recession. We report these patients were satisfied with esthetic and function.

Figures and Tables

Fig. 1

Designed proximal groove in diagnostic cast after surveying. (A) Mesial surface of #31, (B) Mesial surface of #42.

Fig. 2

Designed 4 paralleled proximal grooves at STL file.

Fig. 3

Guide for proximal groove preparation. (A) Guide placed on teeth, (B) High speed hand-piece placed in guide.

Fig. 4

After tooth preparation.

Fig. 5

Intraoral frontal view. (A) Before, (B) After.

Fig. 6

After tooth preparation. Retention grooves are extended to incisal edge to maximize tooth coverage; selection of tooth colored zirconia minimizes esthetic complication. (A) Intraoral view, (B) Master cast.

Fig. 7

Intraoral view after prosthodontic treatment. (A) Frontal view, (B) Lingual view.

Fig. 8

Surveyed master cast. (A) Palatal view, (B) Mesial view of left maxillary first molar. Notice the high placed height of contour on proximal and buccal surfaces.

Fig. 9

After tooth preparation. Proximal and buccal surfaces were adjusted to relocate height of contour.

Fig. 10

Intraoral view after prosthodontic treatment. (A) Occlusal view, (B) Frontal view. Metal retainer is extended to distobuccal line angle of left maxillary first premolar, but it does not compromise appearance.

Fig. 11

Failure of old resin bonded all-ceramic fixed partial denture (A) Failure of bonding occurs at retainer on right mandibular lateral incisor, (B) Removed old restoration. Breakage of retainer is noticed. (C) Old restoration is repositioned. (D) After adjusting tooth preparation.

Fig. 12

Intraoral periapical radiograph 6 years ago.

Fig. 13

Intraoral view after prosthodontic treatment. (A) Frontal view, (B) Lingual view.

Fig. 14

Illustration of proximal groove. Red line: Lingually or palatally tilted proximal groove, Green line: Proximal groove that is parallel to the long axis of the tooth, Yellow area: Additionally acquired enamel coverage by placing more tilted grooves.



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Jonghyuk Lee

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