J Korean Acad Prosthodont.  2018 Jan;56(1):64-69. 10.4047/jkap.2018.56.1.64.

Fabrication of complete dentures for a patient with odontogenic myxoma: A case report

Affiliations
  • 1Department of Prosthodontics, Gil Medical Center, Gachon University, Inchon, Republic of Korea. bb1018@hanmail.net

Abstract

Odontogenic myxoma of the jaws is a rare benign odontogenic tumor. In this case, a 61-year-old male patient had a chief complaint about maxillary anterior gingival mass and excisional biopsy result confirmed odontogenic myxoma. The clear acrylic resin custom tray was designed to minimize displacement of flabby tissue which remained after the surgery. Neutral zone and external impression technique could provide satisfactory result in terms of denture stability and retention during jaw relation record and wax denture try-in procedure. This clinical report describes fabrication of complete dentures for a patient with odontogenic myxoma in regard to flabby tissue and neutral zone.

Keyword

Odontogenic myxoma; Flabby tissue; Neutral zone; Complete denture

MeSH Terms

Biopsy
Denture Retention
Denture, Complete*
Dentures
Humans
Jaw
Jaw Relation Record
Male
Middle Aged
Myxoma*
Odontogenic Tumors

Figure

  • Fig. 1 Initial photographs. (A) frontal view, (B) frontal view with denture, (C) maxillary occlusal view, (D) mandibular occlusal view, (E) panoramic radiograph.

  • Fig. 2 Post-operative photographs. (A) the day after surgery, (B) displaced flabby tissue, (C) maxillary old denture, (D) maxillary old denture with soft liner.

  • Fig. 3 Custom tray fabrication. (A) baseplate wax placed to create additional relief over flabby tissue, (B) wax placed over the maxillary arch except for posterior palatal seal area, (C) clear acrylic resin custom tray with anterior wax spacer removed, (D) border molding using modeling compound, (E) tray with anterior relief holes, (F) final impression.

  • Fig. 4 (A, D) Master casts, (B, E) record bases and wax rims (C, F) additional mandibular record base with retentive wire and narrow pillars for neutral zone record.

  • Fig. 5 (A) Establishing neutral zone using modeling compound, (B) putty index around the neutral zone impression, (C) arranging teeth in accordance to putty index.

  • Fig. 6 External impression with polyvinylsiloxane material. (A) maxillary frontal view, (B) mandibular frontal view.

  • Fig. 7 Intraoral photographs of definitive prosthesis. (A, E) occlusal view of maxilla and mandible, (B, D) lateral view, (C) frontal view.


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