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Tray fabrication for unusually large maxillae
Tray fdwication Altug Kwnoglu, Washington
D.D.S.,
University,
for unusually
large maxillae
M.S.*
School of Dental Medicine,
St. Louis, MO.
T
individualized or custom trays are generally used in prosthodontics for final impressions. The tray is constructed on a diagnostic cast obtained from a preliminary impression made in a metal or dispostrays are able polyethylene tray. These disposable manufactured in various sizes and shapes. Rarely is a dental arch so large that it cannot be accommodated by available stock trays. However, this problem doesoccur occasionally, sometimesas a result of a laterally expaned maxillary arch (Figs. 1 and 2). A method of constructing an individualized custom tray for excessively large maxillae is pnsented in this article.
tray. 5. Apply adhesive+ to the tissue surface of the tray and the modeling compound.
Unwemty of mtsburgh, burgh, Pa. fTeledync Dental Products,
0022-3913/78/0140-0107ux).20/0
bchool Elk Grove
ot Dental Village,
Mechcmc, Ill.
0 1978 The C. V. Mosby Co.
Fig. 1. A patient with an excessively large maxillary dental arch asa result of lateral expansion following facial fractures.
Fig. 2. Note the lack of occlusal expansion of the maxillary arch.
contact
and lateral
I’ltts-
Fig. 3. The largest available tray did not accommodate the expanded maxiI1at-y arch.
THE JOURNAL
OF PROSTHETIC
DENTISTRY
1w
KAZANCXiLU
Fig. 4. The sectioned polyethylene tray is adjusted to permit an approximately %-inch space for the impression material.
Fig. 6. The impressionis madewith irreversible hydrocolloid impressionmaterial.
Fig. 5. Black modeling compound is adapted over the split tray to secureboth sections.
Fig. 7. The &agnostic cast measures90 mm in width betweenthe buccal cuspsof the secondmolars.
SUMMARY
Rcfnint requestsIO:
A procedure was presented to modify a polyethylene stock tray to accommodate unusually large maxillary dental arches.
Da. ALTUG KAzmoc~u WASHINGTON ~NIVEIWIY SCHOLL OF DENTAL MEDICINE 4559 Scorr Ave. ST. Low, MO. 63110
I wish to thank Dr. Frank Colaizzi for his mistance encouragement in the preparation of this article.
108
and his
JULY
1978
VOLUME
40
NUMBER
I
D.D.S.,
University,
for unusually
large maxillae
M.S.*
School of Dental Medicine,
St. Louis, MO.
T
individualized or custom trays are generally used in prosthodontics for final impressions. The tray is constructed on a diagnostic cast obtained from a preliminary impression made in a metal or dispostrays are able polyethylene tray. These disposable manufactured in various sizes and shapes. Rarely is a dental arch so large that it cannot be accommodated by available stock trays. However, this problem doesoccur occasionally, sometimesas a result of a laterally expaned maxillary arch (Figs. 1 and 2). A method of constructing an individualized custom tray for excessively large maxillae is pnsented in this article.
tray. 5. Apply adhesive+ to the tissue surface of the tray and the modeling compound.
Unwemty of mtsburgh, burgh, Pa. fTeledync Dental Products,
0022-3913/78/0140-0107ux).20/0
bchool Elk Grove
ot Dental Village,
Mechcmc, Ill.
0 1978 The C. V. Mosby Co.
Fig. 1. A patient with an excessively large maxillary dental arch asa result of lateral expansion following facial fractures.
Fig. 2. Note the lack of occlusal expansion of the maxillary arch.
contact
and lateral
I’ltts-
Fig. 3. The largest available tray did not accommodate the expanded maxiI1at-y arch.
THE JOURNAL
OF PROSTHETIC
DENTISTRY
1w
KAZANCXiLU
Fig. 4. The sectioned polyethylene tray is adjusted to permit an approximately %-inch space for the impression material.
Fig. 6. The impressionis madewith irreversible hydrocolloid impressionmaterial.
Fig. 5. Black modeling compound is adapted over the split tray to secureboth sections.
Fig. 7. The &agnostic cast measures90 mm in width betweenthe buccal cuspsof the secondmolars.
SUMMARY
Rcfnint requestsIO:
A procedure was presented to modify a polyethylene stock tray to accommodate unusually large maxillary dental arches.
Da. ALTUG KAzmoc~u WASHINGTON ~NIVEIWIY SCHOLL OF DENTAL MEDICINE 4559 Scorr Ave. ST. Low, MO. 63110
I wish to thank Dr. Frank Colaizzi for his mistance encouragement in the preparation of this article.
108
and his
JULY
1978
VOLUME
40
NUMBER
I