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Improvement of quality of life with implant-supported mandibular overdentures and the effect of implant type and surgical procedure on bone and soft tissue stability : a three-year prospective split-mouth trial

Ron Doornewaard (UGent) , Maarten Glibert (UGent) , Carine Matthys (UGent) , Stijn Vervaeke (UGent) , Ewald Bronkhorst and Hugo De Bruyn (UGent)
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Abstract
In fully edentulous patients, the support of a lower dental prosthesis by two implants could improve the chewing ability, retention, and stability of the prosthesis. Despite high success rates of dental implants, complications, such as peri-implantitis, do occur. The latter is a consequence of crestal bone loss and might be related to the implant surface and peri-implant soft tissue thickness. The aim of this paper is to describe the effect of implant surface roughness and soft tissue thickness on crestal bone remodeling, peri-implant health, and patient-centered outcomes. The mandibular overdenture supported by two implants is used as a split-mouth model to scrutinize these aims. The first study compared implants placed equicrestal to implants placed biologically (i.e., dependent on site-specific soft tissue thickness). The second clinical trial compared implants with a minimally to a moderately rough implant neck. Both studies reported an improvement in oral health-related quality of life and a stable peri-implant health after three years follow-up. Only equicrestal implant placement yielded significantly higher implant surface exposure, due to the establishment of the biologic width. Within the limitations of this study, it can be concluded that an implant supported mandibular overdenture significantly improves the quality of life, with limited biologic complications and high survival rates of the implants.
Keywords
PERI-IMPLANTITIS, SURFACE-ROUGHNESS, THICKNESS, MUCOSITIS, DENTISTRY, FAILURE, DISEASES, OUTCOMES, SMOKING, HISTORY, bone loss, dental implant, overdenture, implant survival, peri-implantitis, implant surface, soft tissue, split-mouth design, oral health-related quality of life, patient-reported outcome measures

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MLA
Doornewaard, Ron, et al. “Improvement of Quality of Life with Implant-Supported Mandibular Overdentures and the Effect of Implant Type and Surgical Procedure on Bone and Soft Tissue Stability : A Three-Year Prospective Split-Mouth Trial.” JOURNAL OF CLINICAL MEDICINE, vol. 8, no. 6, 2019, doi:10.3390/jcm8060773.
APA
Doornewaard, R., Glibert, M., Matthys, C., Vervaeke, S., Bronkhorst, E., & De Bruyn, H. (2019). Improvement of quality of life with implant-supported mandibular overdentures and the effect of implant type and surgical procedure on bone and soft tissue stability : a three-year prospective split-mouth trial. JOURNAL OF CLINICAL MEDICINE, 8(6). https://doi.org/10.3390/jcm8060773
Chicago author-date
Doornewaard, Ron, Maarten Glibert, Carine Matthys, Stijn Vervaeke, Ewald Bronkhorst, and Hugo De Bruyn. 2019. “Improvement of Quality of Life with Implant-Supported Mandibular Overdentures and the Effect of Implant Type and Surgical Procedure on Bone and Soft Tissue Stability : A Three-Year Prospective Split-Mouth Trial.” JOURNAL OF CLINICAL MEDICINE 8 (6). https://doi.org/10.3390/jcm8060773.
Chicago author-date (all authors)
Doornewaard, Ron, Maarten Glibert, Carine Matthys, Stijn Vervaeke, Ewald Bronkhorst, and Hugo De Bruyn. 2019. “Improvement of Quality of Life with Implant-Supported Mandibular Overdentures and the Effect of Implant Type and Surgical Procedure on Bone and Soft Tissue Stability : A Three-Year Prospective Split-Mouth Trial.” JOURNAL OF CLINICAL MEDICINE 8 (6). doi:10.3390/jcm8060773.
Vancouver
1.
Doornewaard R, Glibert M, Matthys C, Vervaeke S, Bronkhorst E, De Bruyn H. Improvement of quality of life with implant-supported mandibular overdentures and the effect of implant type and surgical procedure on bone and soft tissue stability : a three-year prospective split-mouth trial. JOURNAL OF CLINICAL MEDICINE. 2019;8(6).
IEEE
[1]
R. Doornewaard, M. Glibert, C. Matthys, S. Vervaeke, E. Bronkhorst, and H. De Bruyn, “Improvement of quality of life with implant-supported mandibular overdentures and the effect of implant type and surgical procedure on bone and soft tissue stability : a three-year prospective split-mouth trial,” JOURNAL OF CLINICAL MEDICINE, vol. 8, no. 6, 2019.
@article{8678988,
  abstract     = {In fully edentulous patients, the support of a lower dental prosthesis by two implants could improve the chewing ability, retention, and stability of the prosthesis. Despite high success rates of dental implants, complications, such as peri-implantitis, do occur. The latter is a consequence of crestal bone loss and might be related to the implant surface and peri-implant soft tissue thickness. The aim of this paper is to describe the effect of implant surface roughness and soft tissue thickness on crestal bone remodeling, peri-implant health, and patient-centered outcomes. The mandibular overdenture supported by two implants is used as a split-mouth model to scrutinize these aims. The first study compared implants placed equicrestal to implants placed biologically (i.e., dependent on site-specific soft tissue thickness). The second clinical trial compared implants with a minimally to a moderately rough implant neck. Both studies reported an improvement in oral health-related quality of life and a stable peri-implant health after three years follow-up. Only equicrestal implant placement yielded significantly higher implant surface exposure, due to the establishment of the biologic width. Within the limitations of this study, it can be concluded that an implant supported mandibular overdenture significantly improves the quality of life, with limited biologic complications and high survival rates of the implants.},
  articleno    = {773},
  author       = {Doornewaard, Ron and Glibert, Maarten and Matthys, Carine and Vervaeke, Stijn and Bronkhorst, Ewald and De Bruyn, Hugo},
  issn         = {2077-0383},
  journal      = {JOURNAL OF CLINICAL MEDICINE},
  keywords     = {PERI-IMPLANTITIS,SURFACE-ROUGHNESS,THICKNESS,MUCOSITIS,DENTISTRY,FAILURE,DISEASES,OUTCOMES,SMOKING,HISTORY,bone loss,dental implant,overdenture,implant survival,peri-implantitis,implant surface,soft tissue,split-mouth design,oral health-related quality of life,patient-reported outcome measures},
  language     = {eng},
  number       = {6},
  pages        = {17},
  title        = {Improvement of quality of life with implant-supported mandibular overdentures and the effect of implant type and surgical procedure on bone and soft tissue stability : a three-year prospective split-mouth trial},
  url          = {http://dx.doi.org/10.3390/jcm8060773},
  volume       = {8},
  year         = {2019},
}

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