Soft tissue stability and volumetric changes after 5 years in pontic sites with or without soft tissue grafting: a retrospective cohort study

Clinical Oral Implants Research
Ignacio Sanz-MartínDaniel S Thoma

Abstract

To evaluate volumetric changes (VC) of pontic sites with or without soft tissue grafting over 5 years. Twelve patients participating in a prospective clinical trial evaluating fixed dental prostheses (FDPs) were selected on the basis of having received a subepithelial connective tissue graft for soft volume augmentation in pontic sites (augmentation group [AG]). An additional 12 patients, belonging to the same study, that had not received soft tissue grafting were used as controls (control group [CG]). Casts made from dental impressions taken at prosthesis delivery (baseline [BL]) and at 5 years (5-FU) were digitized, and linear and volumetric measurements performed to assess the soft tissue pontic height (PH), abutment height (AH), (VC) and changes in tissue thickness (TT) on the buccal side of the pontics. There were no significant differences at BL between the two groups for linear measurements (P > 0.05). The changes in soft tissue pontic height (PHC) amounted to a loss in the height of 0.34 mm (SD = 0.5) and 0.35 mm (0.2) for AG and CG, respectively. The mean VC amounted to a loss of 5.31 mm(3) (±1.1) (AG) and 4.32 mm(3) (±1.7) (CG). None of the changes between BL and 5-FU in volumetric and linear measurements, including T...Continue Reading

References

Apr 1, 1985·Journal of Periodontology·E P AllenD A Newbold
Apr 11, 2000·The Journal of Prosthetic Dentistry·S P StuderP Schärer
Jun 26, 2007·Clinical Oral Implants Research·Simone I WindischChristoph H F Hämmerle
Sep 9, 2008·Journal of Clinical Periodontology·Francesco CairoMichele Nieri
May 8, 2009·Journal of Clinical Periodontology·Stefan FicklMarkus B Hürzeler
Jul 21, 2010·Journal of Clinical Periodontology·Daniel S ThomaChristoph H F Hämmerle
Mar 20, 2014·Journal of Clinical Periodontology·Daniel S ThomaRonald E Jung

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Citations

Mar 2, 2018·Periodontology 2000·Matteo MarzadoriGiovanni Zucchelli
Jul 19, 2020·Journal of Clinical Medicine·Dobrila NesicIrena Sailer
Nov 15, 2018·Dental Materials : Official Publication of the Academy of Dental Materials·Markus RottmarKatharina Maniura-Weber

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