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References

Heydecke G, Thomason JM, Awad MA, Lund JP, Feine JS Do mandibular implant overdentures and conventional complete dentures meet the expectations of edentulous patients?. Quintessence Int. 2008; 39:803-809
Fueki K, Kimoto K, Ogawa T, Garrett NR Effect of implant-supported or retained dentures on masticatory performance: a systematic review. J Prosthet Dent. 2007; 98:470-477
Awad MA, Lund JP, Shapiro SH Oral health status and treatment satisfaction with mandibular implant overdentures and conventional dentures: a randomized clinical trial in a senior population. Int J Prosthodont. 2003; 16:390-396
Hobkirk JA, Abdel-Latif HH, Howlett J, Welfare R, Moles DR Prosthetic treatment time and satisfaction of edentulous patients treated with conventional or implant-supported complete mandibular dentures: a case-control study (part 1). Int J Prosthodont. 2008; 21:489-495
Hobkirk JA, Abdel-Latif HH, Howlett J, Welfare R, Moles DR Prosthetic treatment time and satisfaction of edentulous patients treated with conventional or implant-stabilized complete mandibular dentures: a case-control study (part 2). Int J Prosthodont. 2009; 22:13-19
Critchlow SB, Ellis JS Prognostic indicators for conventional complete denture therapy: a review of the literature. J Dent. 2010; 38:2-9
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Klemetti E. Is there a certain number of implants needed to retain an overdenture?. J Oral Rehabil. 2008; 35:80-84
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Implant-supported mandibular denture: planning to delivery – a case report

From Volume 41, Issue 2, March 2014 | Pages 137-143

Authors

Upen S Patel

BDS

Clinical Lecturer in Restorative Dentistry

Articles by Upen S Patel

A Damien Walmsley

PhD, MSc, BDS, FDS RCPS,

Professor of Restorative Dentistry, School of Dentistry, The University of Birmingham, St Chad's Queensway, Birmingham, B4 6NN, UK

Articles by A Damien Walmsley

Email A Damien Walmsley

Abstract

Restoring the edentulous mandible with a removable prosthesis can be a challenging prospect for both the dentist and patient during and after treatment. Poor retention and support are the major problems reported with a mandibular complete denture and these can be significantly improved with the use of implants and retentive attachments. Utilizing implants requires careful planning from both the surgical and restorative aspects to ensure that the intended treatment aim and outcome is achieved.

Clinical Relevance: This case highlights the importance of both restorative and surgical considerations when planning the rehabilitation of the mandible with dental implants.

Article

Rehabilitation of the edentulous mandible with a conventional mucosa-supported complete denture may not always be successful. The main problems with this treatment regime are inadequate denture support and retention, which results in patients experiencing pain during function or social embarrassment. Research has shown a higher success rate and greater patient satisfaction when mandibular dentures are retained or supported by implants.1,2,3,4,5 A recent review of the literature has found that mandibular ridge-form can be an indicator for treatment success when providing a complete denture,6 although it is accepted that edentulous patients will benefit more from an implant overdenture in the mandible, regardless of the amount of mandibular bone present.7 The McGill Consensus Statement states that the minimum standard of care for the edentulous mandible should be the provision of a two-implant overdenture.8 This has become the accepted norm and studies comparing two-and four-implant mandibular overdentures have come to the conclusion that there is little or no additional benefit in placing four-implants in the edentulous mandible when restored by a removable overdenture.9,10,11,12 A further literature search has uncovered evidence from review articles suggesting that four-implant mandibular overdentures are indicated in patients with certain anatomic and complicating factors (Table 1).13,14,15 This is supported by a case highlighting the use of a four-implant overdenture in the atrophic mandible.16

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