J Korean Acad Prosthodont.  2019 Apr;57(2):195-202. 10.4047/jkap.2019.57.2.195.

Complete denture made with closed-mouth impression technique on severely atrophied edentulous jaw

• Lee SH
• Leesungbok R
• Lee SW

• KMID: 2444190
• DOI: http://doi.org/10.4047/jkap.2019.57.2.195

Abstract

At the department of prosthodontics, the elderly patients with severely atrophied alveolar ridge who have been wearing complete dentures for a long period frequently visit the clinic. In general, the open-mouth impression technique for manufacturing a mandibular complete denture to secure primary support on buccal shelf area has been prevalent. In addition, for securing retention and stability of mandibular denture, we should consider diagnosis, oral function, denture border, occlusal plane, teeth arrangement, and patient training, etc.. But in edentulous patients with severe alveolar bone atrophy, it may hardly secure retention and stability of mandibular complete denture. To promote these, some of clinicians are making an attempt manufacturing the mandibular complete dentures using closed-mouth impression technique based on several reports that compare various impression techniques including open-mouth and closed-mouth impression technique. This case report suggests closed-mouth impression technique may promote retention and stability of mandibular complete denture and compares between the two impression techniques clinically.

Keyword

Open-mouth impression technique; Closed-mouth impression technique; Complete denture; Functional impression; Retention; Stability

MeSH Terms

Aged
Alveolar Bone Loss
Alveolar Process
Dental Occlusion
Denture, Complete*
Dentures
Diagnosis, Oral
Humans
Jaw, Edentulous*
Prosthodontics
Tooth

Figure

• 

  Fig. 1 Radiograph of patient. (A) Panoramic view, (B) Temporomandibular joint (TMJ) panoramic view.

• 

  Fig. 2 Intraoral view. (A) Occlusal view of maxilla, (B) Right retromolar pad, (C) Frontal view, (D) Left retromolar pad, (E) Occlusal view of mandible.

• 

  Fig. 3 Border molding on the individual trays with open-mouth impression technique at the second visit. (A) After border molding with modeling compound, (B) Upper and lower final impression bodies with regular body polyvinylsiloxane impression material.

• 

  Fig. 4 Intraoral view at delivery of open-mouth impression technique denture. (A) Maxillary denture, (B) Frontal view, (C) Mandibular denture (retention insufficiency).

• 

  Fig. 5 View of diagnostic cast, occlusal rim (border within unmovable tissue).

• 

  Fig. 6 At the patient's second visit (closed-mouth impression technique). (A) Bite registration, (B) Wax denture, (C) Resin splint.

• 

  Fig. 7 At the patient's third visit (closed-mouth impression technique) (A), (B) Patient training of closed-mouth impression technique, (C) Final impression with closed-mouth impression technique.

• 

  Fig. 8 view at delivery of closed-mouth impression technique mandibular denture. (A) Occlusal view of maxilla, (B) Lateral view (right side), (C) Frontal view, (D) Lateral view (left side), (E) Occlusal view of mandible.

• 

  Fig. 9 Comparison of master model fabricated by two techniques. (A) Open-mouth impression technique - Right, (B) Closed-mouth impression technique - Right, (C) Closed-mouth impression technique - Left, (D) Open-mouth impression technique - Left.

• 

  Fig. 10 Comparison of mandibular dentures fabricated by two impression techniques. The left is open-mouth impression technique denture and the right is closed-mouth impression technique denture. (A) Open-mouth impression technique denture, (B) Closed-mouth impression technique denture.

Reference

1. Prithviraj DR, Singh V, Kumar S, Shruti DP. Conservative prosthodontic procedures to improve mandibular denture stability in an atrophic mandibular ridge. J Indian Prosthodont Soc. 2008; 8:178–184.

2. Cho IH, Kwon KR, Kwon HB, Kim MH, Lee CH, Jeong CM, Park CJ, Park SW, Lee JH, Cho HW, Kim HJ, Moon HS, Chung MK, Chung CH, Lim YJ, Lee JS, Song KW, Han CH. Prosthodontic treatment for edentulous patients. 2nd ed. Seoul: Dental Wisdom;2014. p. 98–145.

3. Reddy SM, Mohan CA, Vijitha D, Balasubramanian R, Satish A, Kumar M. Pressure produced on the residual maxillary alveolar ridge by different impression materials and tray design: an in vivo study. J Indian Prosthodont Soc. 2013; 13:509–512.

4. Halperin AR, Graser GN, Rogoff GS, Plekavich EJ. Philosophy of impression making. In : Winkler S, editor. Mastering the art of complete dentures. Quintessence;1988. p. 31–34.

5. Tyson KW, McCord JF. Chairside options for the treatment of complete denture problems associated with the atrophic (flat) mandibular ridge. Br Dent J. 2000; 188:10–14.

6. Yadav B, Jayna M, Yadav H, Suri S, Phogat S, Madan R. Comparison of different final impression techniques for management of resorbed mandibular ridge: a case report. Case Rep Dent. 2014; 2014:253731.

7. Critchlow SB, Ellis JS. Prognostic indicators for conventional complete denture therapy: a review of the literature. J Dent. 2010; 38:2–9.

8. Jo A, Kanazawa M, Sato Y, Iwaki M, Akiba N, Minakuchi S. A randomized controlled trial of the different impression methods for the complete denture fabrication: Patient reported outcomes. J Dent. 2015; 43:989–996.

9. Hyde TP, Craddock HL, Gray JC, Pavitt SH, Hulme C, Godfrey M, Fernandez C, Navarro-Coy N, Dillon S, Wright J, Brown S, Dukanovic G, Brunton PA. A randomised controlled trial of complete denture impression materials. J Dent. 2014; 42:895–901.

10. Păuna MR, Babiuc I, Farcaşiu AT. Prosthodontic management of an extreme atrophy of the mandible correlated with a prominent genial tubercle - a clinical report. Rom J Morphol Embryol. 2015; 56:867–870.

11. Collett HA. Final impressions for complete dentures. J Prosthet Dent. 1970; 23:250–264.

12. Tallgren A. The continuing reduction of the residual alveolar ridges in complete denture wearers: a mixed-longitudinal study covering 25 years. J Prosthet Dent. 1972; 27:120–132.

13. Kanazawa M, Tanoue M, Miyayasu A, Takeshita S, Sato D, Asami M, Lam TV, Thu KM, Oda K, Komagamine Y, Minakuchi S, Feine J. The patient general satisfaction of mandibular single-implant overdentures and conventional complete dentures: Study protocol for a randomized crossover trial. Medicine (Baltimore). 2018; 97:e10721.

14. Stellingsma K, Slagter AP, Stegenga B, Raghoebar GM, Meijer HJ. Masticatory function in patients with an extremely resorbed mandible restored with mandibular implant-retained overdentures: comparison of three types of treatment protocols. J Oral Rehabil. 2005; 32:403–410.