2021.05.05. 1 Faculty of Dentistry Department of Prosthodontics Dr. Tamás Déri Department of Prosthodontics Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthodontics) Lecture 05. 05. 21. . Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthodontics) Dr. Tamás Déri clinical specialist Lectures in implant prosthodontics in the Department of Prosthetic Dentistry 1st year: Implant materials - 1 2nd year: Explanation of different kind of implant systems, Impression methods of implant cases - 1 3rd year: Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthetics), Implant prosthodontics in complete edentulous cases II. (impression techniques, means of retention) - 2 4th year: Implants in prosthodontics - 1 Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthodontics) Dr. Tamás Déri clinical specialist Treatment strategies of total edentulousness Complete denture Implantation and complete(?) denture (overdenture), Fixed partial denture (Combined denture) Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthodontics) Dr. Tamás Déri clinical specialist Implant, implant system Implant: a prosthetic device made of alloplastic material(s) implanted into the oral tissues beneath the mucosal and/or periosteal layer and on or within the bone to provide retention and support for a fixed or removable dental prosthesis; a substance that is placed into and/or on the jaw bone to support a fixed or removable dental prosthesis Implant system: dental implant components that are designed to connect mechanically; an implant system can represent a specific concept, inventor, or patent; it consists of the necessary parts and instruments to complete the implant placement and abutment components
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Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Lectures in implant prosthodontics in the
Department of Prosthetic Dentistry
� 1st year: Implant materials - 1
� 2nd year: Explanation of different kind of implant systems, Impression methods of implant cases - 1
� 3rd year: Implant prosthodontics in complete edentulous cases I. (fixed and removable prosthetics), Implant prosthodontics in complete edentulous cases II. (impression techniques, means of retention) - 2
� 4th year: Implants in prosthodontics - 1
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Treatment strategies of total
edentulousness
� Complete denture
� Implantation and
complete(?) denture
(overdenture),
� Fixed partial denture
� (Combined denture)
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Implant, implant system
� Implant: a prosthetic device made of alloplastic material(s)
implanted into the oral tissues beneath the mucosal and/or
periosteal layer and on or within the bone to provide
retention and support for a fixed or removable dental
prosthesis; a substance that is placed into and/or on the jaw
bone to support a fixed or removable dental prosthesis
� Implant system: dental implant components that are
designed to connect mechanically; an implant system can
represent a specific concept, inventor, or patent; it consists
of the necessary parts and instruments to complete the
implant placement and abutment components
2021.05.05.
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Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Implant prosthodontic
appliances�Definition: dental prosthesis, such as fixed complete denture,
fixed partial denture, removable complete overdenture, removable partial overdenture, as well as maxillofacial prostheses, which can be supported and retained in part or whole by dental implants Simon H, Yanase RT. Terminology for Implant Prostheses. Int J Oral Maxillofac Implants 2003; 18:539-543.
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Implant prosthodontic appliances
�Analogies:
�Implant ≈ root
�Abutment ≈ prepared
tooth surface
�Implant superstructure
≈ denture
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
The aim of implantation
� To give better life quality, to avoid the
preparation of the teeth, to be able to make
FPD instead of RPD, to improve the
removable denture’s retention – depending
the patient individual situation
2021.05.05.
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Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Indication of implant dentures� Edentulous jaw
� Uni- or bilateral free-end
saddle (rather the
unilateral)
� Too long interdental
edentulous area
� Missing one tooth
� Maxillofacial prosthetics
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Types of implant dentures – possibilities
in complete edentulousness
� Full-arch fixed denture
� Hybridprosthesis
� Overdenture
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Fixing implant dentures
� Irreversible (definitively cement retained)
� Optionally reversible (screw retained)
� Reversible (removable denture)
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Retention factors of complete
dentures� Clinical anatomical factors
� The size of the denture-bearing surface
� The height of the edentulous ridge
� Retentive undercuts for the proper grasp of thebaseplate
� Neuromuscular factors
� Physical factors
� Suction effect
� Capillary effect
� Occlusal pressure
� Gravitation
� Accessorial retentive factors
� Adhesives
� Engraving methods
� Suction cups
� Accessorial stabilising factors
2021.05.05.
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Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Retentive effect by implant borne
removable dentures
� (Classic retentive factors 4N!!!)
� Retention by implants: 6-23N!!!/pcs!!!
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Conditions of making fixed implant
prosthesis in complete
edentulousness
• Number of implants:
• Different concepts
• Maxilla: 8, mandibula:6
• The ratio between theimplant length and theheight of the denture
• Interalveolarangulation of theedentulous jaws
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Conditions of making removable implant
prosthesis in complete edentulousness� Can be made in case of unfavourable
clinical anatomical circumstances(even then, when a fixed denture is possible)
� The real limitating factor is thepossibility of implant placement(number and position)
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Full-arch fixed implant borne denture
2021.05.05.
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Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Hybridprosthesis
• Alveolar bone replacement
• Lip, cheek support
• Always screw – retained!
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)
Dr. Tamás Dériclinical specialist
Implant retained removable denture
� Overdenture
� These are similar to thecomplete dentures, but thebaseplate could be reduced orcould have a conventionalextension
� But: we have to take care forthe stabilising surface-form: however the retention is provided by implants, we haveto avoid weakening it! (matrix-wear?)
Implant prosthodontics in completeedentulous cases I. (fixed and removableprosthodontics)