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Articulation performance of patients wearing obturators with different buccal extension designs.

Turkaslan S, Baykul T, Aydin MA, Ozarslan MM - Eur J Dent (2009)

Bottom Line: SI was found to be significantly increased with obturators of any buccal extensions with the mean values 90.50%, %94.24% and 91.20% for high, medium, and low buccal extensions respectively.When the SI score was compared between three buccal extension types medium was found to be significantly higher compared to others (P<.05).Nevertheless, medium size buccal extension enables the optimum sealing for better articulation.

View Article: PubMed Central - PubMed

Affiliation: Department of Prosthodontics, Faculty of Dentistry, Süleyman Demirel University, Isparta, Turkey.

ABSTRACT

Objectives: The primary goal of prosthetic obturation is closure of the maxillectomy defect and separation of the oral cavity from the sinonasal cavities by use of different bulb designs. The aim of this study was to evaluate the articulation performance of obturator patients with three different buccal extension designs.

Methods: Five patients with palatal defects of comparable sizes at ages ranging from 42 to 74 were evaluated. Starting at postoperative 4 months, speech intelligibility (SI) was assessed without a prosthetic obturator and with an obturator of buccal extensions 15 mm (high), 10 mm (medium) and 5 mm (low), respectively. Assessments were performed at four week intervals for adaptation. The articulation performance of patients with different buccal extension designs were evaluated on speech intelligibility. The data tested using Friedman test.

Results: The mean SI score without an obturator was 45.04%+/-5.86%. SI was found to be significantly increased with obturators of any buccal extensions with the mean values 90.50%, %94.24% and 91.20% for high, medium, and low buccal extensions respectively. When the SI score was compared between three buccal extension types medium was found to be significantly higher compared to others (P<.05).

Conclusions: Obturators improve speech intelligibility irrespective of their buccal extension levels. Nevertheless, medium size buccal extension enables the optimum sealing for better articulation.

No MeSH data available.


Related in: MedlinePlus

Obturator with middle buccal extension design.
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f2-0030185: Obturator with middle buccal extension design.

Mentions: After removal of the tumor, pre-surgically constructed immediate obturator applied right after surgery. The immediate (surgical) obturator was used to close the resection, to hold surgical dressings, and to provide limited physiologic assistance for speech and deglutition. Ten days after surgery an interim obturator that is to be used for 3 months was built. The interim obturators served for three purposes: to give patients practice in retaining the prosthesis in the mouth, to provide a period of observation for evaluating potential neoplastic recurrence, and to allow time for healing and tissue shrinkage. For the construction of definitive obturator irreversible hydrocolloid (Cavex Impressional; Cavex Holland BV) impressions were made with stock impression trays (Osung Industrial, Kimpo, Korea) to fabricate individual impression tray. A metal framework was fabricated of Chrome– Cobalt alloy (Biosil-l) by use of cast model which obtained utilizing light polymerized acrylic impression tray and irreversible hydrocolloid impression material. The buccal extension type of obturator, which had a wall thickness of approximately 2 mm, was processed in the standard manner, using heat-polymerizing acrylic resin (Meliodent, Heraeus Kulzer, Germany). The buccal extension of the obturator was about 15 mm above the lateral scar band and referred as high (H) (Figure 1). Four weeks later, the extension of the obturator was reduced to 10 mm to produce medium (M) (Figure 2) obturator type. Final reduction of the obturator was carried out after another four week interval to have a prosthesis with a 5 mm buccal extension referred as low (L) (Figure 3).


Articulation performance of patients wearing obturators with different buccal extension designs.

Turkaslan S, Baykul T, Aydin MA, Ozarslan MM - Eur J Dent (2009)

Obturator with middle buccal extension design.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2741189&req=5

f2-0030185: Obturator with middle buccal extension design.
Mentions: After removal of the tumor, pre-surgically constructed immediate obturator applied right after surgery. The immediate (surgical) obturator was used to close the resection, to hold surgical dressings, and to provide limited physiologic assistance for speech and deglutition. Ten days after surgery an interim obturator that is to be used for 3 months was built. The interim obturators served for three purposes: to give patients practice in retaining the prosthesis in the mouth, to provide a period of observation for evaluating potential neoplastic recurrence, and to allow time for healing and tissue shrinkage. For the construction of definitive obturator irreversible hydrocolloid (Cavex Impressional; Cavex Holland BV) impressions were made with stock impression trays (Osung Industrial, Kimpo, Korea) to fabricate individual impression tray. A metal framework was fabricated of Chrome– Cobalt alloy (Biosil-l) by use of cast model which obtained utilizing light polymerized acrylic impression tray and irreversible hydrocolloid impression material. The buccal extension type of obturator, which had a wall thickness of approximately 2 mm, was processed in the standard manner, using heat-polymerizing acrylic resin (Meliodent, Heraeus Kulzer, Germany). The buccal extension of the obturator was about 15 mm above the lateral scar band and referred as high (H) (Figure 1). Four weeks later, the extension of the obturator was reduced to 10 mm to produce medium (M) (Figure 2) obturator type. Final reduction of the obturator was carried out after another four week interval to have a prosthesis with a 5 mm buccal extension referred as low (L) (Figure 3).

Bottom Line: SI was found to be significantly increased with obturators of any buccal extensions with the mean values 90.50%, %94.24% and 91.20% for high, medium, and low buccal extensions respectively.When the SI score was compared between three buccal extension types medium was found to be significantly higher compared to others (P<.05).Nevertheless, medium size buccal extension enables the optimum sealing for better articulation.

View Article: PubMed Central - PubMed

Affiliation: Department of Prosthodontics, Faculty of Dentistry, Süleyman Demirel University, Isparta, Turkey.

ABSTRACT

Objectives: The primary goal of prosthetic obturation is closure of the maxillectomy defect and separation of the oral cavity from the sinonasal cavities by use of different bulb designs. The aim of this study was to evaluate the articulation performance of obturator patients with three different buccal extension designs.

Methods: Five patients with palatal defects of comparable sizes at ages ranging from 42 to 74 were evaluated. Starting at postoperative 4 months, speech intelligibility (SI) was assessed without a prosthetic obturator and with an obturator of buccal extensions 15 mm (high), 10 mm (medium) and 5 mm (low), respectively. Assessments were performed at four week intervals for adaptation. The articulation performance of patients with different buccal extension designs were evaluated on speech intelligibility. The data tested using Friedman test.

Results: The mean SI score without an obturator was 45.04%+/-5.86%. SI was found to be significantly increased with obturators of any buccal extensions with the mean values 90.50%, %94.24% and 91.20% for high, medium, and low buccal extensions respectively. When the SI score was compared between three buccal extension types medium was found to be significantly higher compared to others (P<.05).

Conclusions: Obturators improve speech intelligibility irrespective of their buccal extension levels. Nevertheless, medium size buccal extension enables the optimum sealing for better articulation.

No MeSH data available.


Related in: MedlinePlus