J Dent Rehabil Appl Sci.  2018 Mar;34(1):56-62. 10.14368/jdras.2018.34.1.56.

Complete denture rehabilitation of edentulous patient with severe alveolar bone resorption using mandibular suction denture with closed mouth technique: a clinical report

• Ko CW
• Min B
• Yang HS
• Lim HP
• Yun K
• Shin JH

• KMID: 2439256
• DOI: http://doi.org/10.14368/jdras.2018.34.1.56

Abstract

When it comes to treat patient with loss of vestibule, conventional denture impression have limitation which can cause problems of excessive border extension. Suction denture with closed mouth technique which was introduced to solve this problem, forms negative pressure being sealed denture flanges by mobile mucosa when the patient swallows and chews. Also, it can decrease patient's visiting time by taking impression and gothic arch tracing at once. In this case, considering patient's chief complain which is a loose fit of present lower denture, suction dentures with closed mouth technique was planned.

Keyword

closed mouth technique; complete denture

MeSH Terms

Bone Resorption*
Denture, Complete*
Dentures*
Humans
Mouth*
Mucous Membrane
Rehabilitation*
Suction*
Swallows

Figure

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  Fig. 1 Intraoral photo image at initial visit. (A) Maxillary occlusal view, (B) Frontal view, (C) Mandibular occlusal view.

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  Fig. 2 Panoramic view at initial visit.

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  Fig. 3 Preliminary impression. (A) Upper jaw, (B) Lower jaw, (C) Bite taking with Centric Tray® (Ivoclar Vivadent AG, Schaan, Liechtenstein).

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  Fig. 4 (A) Horizontal Guide® (Ivoclar Vivadent AG, Schaan, Liechtenstein), (B) Lower cast mounting with Horizontal guide on Stratos 300® (Ivoclar Vivadent AG), (C) Upper jaw mounting with Centric tray® (Ivoclar Vivadent AG). Using Horizontal Guide® and bite taken with Centric Tray® at initial visit, upper and lower diagnostic casts can be approximately mounted on Stratoss 300®

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  Fig. 5 Individual tray fabrication. (A) Upper jaw, (B) Lower jaw, (C) Gnathometer M® (Ivoclar Vivadent AG, Schaan, Liechtenstein) placement. After fabrication of individual trays, Gnathometer M was installed at retromolar pad 1/2 level.

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  Fig. 6 Final impression. (A) Upper jaw, (B) Lower jaw, (C) Closed mouth technique with Gothic arch tracing, (D) Gothic arch tracing.

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  Fig. 7 Wax denture try-in. (A) Right lateral view, (B) Frontal view, (C) Left lateral view. Wax denture try-in process is necessary to check lip supports when using Gnathometer M® for closed mouth technique instead of occlusal rim.

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  Fig. 8 Clinical remounting. (A) Maxillary occlusal view, (B) Clinical mounting, (C) Mandibular occlusal view.

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  Fig. 9 Definitive prosthesis delivery. (A) Right lateral view, (B) Frontal view, (C) Left lateral view.

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  Fig. 10 BTC (Buccal mucosa and Tongue Contact) point. Posterior border seal above the retromolar pad when closing mouth. When patient close mouth, buccal mucosa and tongue side wall contact each other above retromolar pad area of denture which reinforce posterior border seal.

Reference

References

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