Volume : 7, Issue : 3, March - 2018

A 3D Finite Element Analysis of the Effect of splinting in fixed partial dentures with abutments having compromised periodontium

Dr Mehul R Mahesh, Dr Bennett Atlin Correya, Dr Joy Pt

Abstract :

<p>&nbsp;<span lang="EN-IN" style="font-size: 12pt; line-height: 115%; font-family: &quot;Times New Roman&quot;, serif; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Fixed Partial dentures &nbsp;are an excepted form of management for missing teeth where the retainers are placed on abutment teeth.&nbsp; Splinting of multiple abutments to overcome mechanical problems of long edentulous span or&nbsp; loss of &nbsp;bone support of &nbsp;abutments is often required.</span><span lang="EN-IN" style="font-size:12.0pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;&#10;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-fareast-theme-font:minor-fareast;&#10;color:#222222;mso-ansi-language:EN-IN;mso-fareast-language:EN-IN;mso-bidi-language:&#10;AR-SA">< /> <span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Finite element method was used &nbsp;to assess &nbsp;if&nbsp; multiple abutments in fixed prosthesis modifies the stresses and deflections in cases where splinting is required due to compromised periodontium.&nbsp;</span>< /> <span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">There was reduction in stress and deflection of &nbsp;supporting structures when a fixed prosthesis was faicated and teeth were splinted together as 4, 5 or 6 unit FPD in reduced bone support models. This was not proportional with any increase in number of units.&nbsp; It was concluded that &nbsp;increasing the number of abutments does not proportionately decrease the stress on the periodontium..&nbsp;</span>< /> <!--[if !supportLineBreakNewLine]-->< /> <!--[endif]--></span></p>