Two-stage IMZ implants and ITI implants inserted in a single-stage procedure. A prospective comparative study.
Identifieur interne : 000A04 ( Ncbi/Checkpoint ); précédent : 000A03; suivant : 000A05Two-stage IMZ implants and ITI implants inserted in a single-stage procedure. A prospective comparative study.
Auteurs : Kees Heydenrijk [Pays-Bas] ; Gerry M. Raghoebar ; Henny J A. Meijer ; Willy A. Van Der Reijden ; Arie Jan Van Winkelhoff ; Boudewijn StegengaSource :
- Clinical oral implants research [ 0905-7161 ] ; 2002.
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Analyse appariée, Analyse de régression, Bacteroides (isolement et purification), Conception de prothèse dentaire, Femelle, Humains, Implants dentaires (), Implants dentaires (microbiologie), Indice de plaque dentaire, Loi du khi-deux, Mâchoire édentée (), Mâchoire édentée (rééducation et réadaptation), Mâle, Ostéo-intégration, Overdenture, Poche parodontale (), Porphyromonas gingivalis (isolement et purification), Pose d'implant dentaire endo-osseux (), Prevotella intermedia (isolement et purification), Propriétés de surface, Prothèse dentaire implanto-portée, Résorption alvéolaire (), Résorption alvéolaire (microbiologie), Résultat thérapeutique, Rétention d'appareil de prothèse dentaire, Statistique non paramétrique, Échec de restauration dentaire, Études de faisabilité, Études de suivi, Études prospectives.
- MESH :
- isolement et purification : Bacteroides, Porphyromonas gingivalis, Prevotella intermedia.
- microbiologie : Implants dentaires, Résorption alvéolaire.
- rééducation et réadaptation : Mâchoire édentée.
- Adulte d'âge moyen, Analyse appariée, Analyse de régression, Conception de prothèse dentaire, Femelle, Humains, Implants dentaires, Indice de plaque dentaire, Loi du khi-deux, Mâchoire édentée, Mâle, Ostéo-intégration, Overdenture, Poche parodontale, Pose d'implant dentaire endo-osseux, Propriétés de surface, Prothèse dentaire implanto-portée, Résorption alvéolaire, Résultat thérapeutique, Rétention d'appareil de prothèse dentaire, Statistique non paramétrique, Échec de restauration dentaire, Études de faisabilité, Études de suivi, Études prospectives.
English descriptors
- KwdEn :
- Alveolar Bone Loss (classification), Alveolar Bone Loss (microbiology), Bacteroides (isolation & purification), Chi-Square Distribution, Dental Implantation, Endosseous (methods), Dental Implants (classification), Dental Implants (microbiology), Dental Plaque Index, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Retention, Denture, Overlay, Feasibility Studies, Female, Follow-Up Studies, Humans, Jaw, Edentulous (rehabilitation), Jaw, Edentulous (surgery), Male, Matched-Pair Analysis, Middle Aged, Osseointegration, Periodontal Pocket (classification), Porphyromonas gingivalis (isolation & purification), Prevotella intermedia (isolation & purification), Prospective Studies, Regression Analysis, Statistics, Nonparametric, Surface Properties, Treatment Outcome.
- MESH :
- chemical , classification : Dental Implants.
- classification : Alveolar Bone Loss, Periodontal Pocket.
- isolation & purification : Bacteroides, Porphyromonas gingivalis, Prevotella intermedia.
- methods : Dental Implantation, Endosseous.
- microbiology : Alveolar Bone Loss, Dental Implants.
- rehabilitation : Jaw, Edentulous.
- surgery : Jaw, Edentulous.
- Chi-Square Distribution, Dental Plaque Index, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Retention, Denture, Overlay, Feasibility Studies, Female, Follow-Up Studies, Humans, Male, Matched-Pair Analysis, Middle Aged, Osseointegration, Prospective Studies, Regression Analysis, Statistics, Nonparametric, Surface Properties, Treatment Outcome.
Abstract
The aim of this study was to evaluate the feasibility of using a two-stage implant system in a single-stage procedure and to study the impact of the microgap at crestal level and to monitor the microflora in the peri-implant area. Forty edentulous patients (Cawood & Howell class V-VI) participated in this study. After randomisation, 20 patients received two IMZ implants inserted in a single-stage procedure and 20 patients received two ITI implants. After 3 months, overdentures were fabricated, supported by a bar and clip attachment. A standardised clinical and radiographic evaluation was performed immediately after denture insertion and 6 and 12 months later. Twelve months after loading, peri-implant samples were collected with sterile paper points and analysed for the presence of putative periodontal pathogens using culture techniques. One IMZ implant was lost due to insufficient osseointegration. With regard to the clinical parameters at the 12 months evaluation, significant differences for plaque score and probing pocket depth (IMZ: mean 3.3 mm, ITI: mean 2.9 mm) were found between the two groups. The mean bone loss in the first year of functioning was 0.6 mm for both groups. Prevotella intermedia was detected more often in the ITI group (12 implants) than in the IMZ group (three implants). Porphyromonas gingivalis was found in three patients. In one of these patients an implant showed bone loss of 1.6 mm between T0 and T12. Some associations were found between clinical parameters and the target microorganisms in the ITI group. These associations were not present in the IMZ group. The short-term results indicate that two-stage implants inserted in a single-stage procedure may be as predictable as one-stage implants. The microgap at crestal level in nonsubmerged IMZ implants seems to have no adverse influence on the peri-implant microbiological colonisation and of crestal bone loss in the first year of functioning. The peri-implant sulcus can and does harbour potential periodontal pathogens without signs of peri-implantitis during the evaluation period of 1 year.
PubMed: 12175374
Affiliations:
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<term>Alveolar Bone Loss (microbiology)</term>
<term>Bacteroides (isolation & purification)</term>
<term>Chi-Square Distribution</term>
<term>Dental Implantation, Endosseous (methods)</term>
<term>Dental Implants (classification)</term>
<term>Dental Implants (microbiology)</term>
<term>Dental Plaque Index</term>
<term>Dental Prosthesis Design</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Denture Retention</term>
<term>Denture, Overlay</term>
<term>Feasibility Studies</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Jaw, Edentulous (rehabilitation)</term>
<term>Jaw, Edentulous (surgery)</term>
<term>Male</term>
<term>Matched-Pair Analysis</term>
<term>Middle Aged</term>
<term>Osseointegration</term>
<term>Periodontal Pocket (classification)</term>
<term>Porphyromonas gingivalis (isolation & purification)</term>
<term>Prevotella intermedia (isolation & purification)</term>
<term>Prospective Studies</term>
<term>Regression Analysis</term>
<term>Statistics, Nonparametric</term>
<term>Surface Properties</term>
<term>Treatment Outcome</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Analyse appariée</term>
<term>Analyse de régression</term>
<term>Bacteroides (isolement et purification)</term>
<term>Conception de prothèse dentaire</term>
<term>Femelle</term>
<term>Humains</term>
<term>Implants dentaires ()</term>
<term>Implants dentaires (microbiologie)</term>
<term>Indice de plaque dentaire</term>
<term>Loi du khi-deux</term>
<term>Mâchoire édentée ()</term>
<term>Mâchoire édentée (rééducation et réadaptation)</term>
<term>Mâle</term>
<term>Ostéo-intégration</term>
<term>Overdenture</term>
<term>Poche parodontale ()</term>
<term>Porphyromonas gingivalis (isolement et purification)</term>
<term>Pose d'implant dentaire endo-osseux ()</term>
<term>Prevotella intermedia (isolement et purification)</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Résorption alvéolaire ()</term>
<term>Résorption alvéolaire (microbiologie)</term>
<term>Résultat thérapeutique</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Statistique non paramétrique</term>
<term>Échec de restauration dentaire</term>
<term>Études de faisabilité</term>
<term>Études de suivi</term>
<term>Études prospectives</term>
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<keywords scheme="MESH" type="chemical" qualifier="classification" xml:lang="en"><term>Dental Implants</term>
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<keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Alveolar Bone Loss</term>
<term>Periodontal Pocket</term>
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<keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Bacteroides</term>
<term>Porphyromonas gingivalis</term>
<term>Prevotella intermedia</term>
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<keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Bacteroides</term>
<term>Porphyromonas gingivalis</term>
<term>Prevotella intermedia</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Implantation, Endosseous</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Implants dentaires</term>
<term>Résorption alvéolaire</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Alveolar Bone Loss</term>
<term>Dental Implants</term>
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<keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous</term>
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<keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire édentée</term>
</keywords>
<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Chi-Square Distribution</term>
<term>Dental Plaque Index</term>
<term>Dental Prosthesis Design</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Restoration Failure</term>
<term>Denture Retention</term>
<term>Denture, Overlay</term>
<term>Feasibility Studies</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Male</term>
<term>Matched-Pair Analysis</term>
<term>Middle Aged</term>
<term>Osseointegration</term>
<term>Prospective Studies</term>
<term>Regression Analysis</term>
<term>Statistics, Nonparametric</term>
<term>Surface Properties</term>
<term>Treatment Outcome</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Analyse appariée</term>
<term>Analyse de régression</term>
<term>Conception de prothèse dentaire</term>
<term>Femelle</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Indice de plaque dentaire</term>
<term>Loi du khi-deux</term>
<term>Mâchoire édentée</term>
<term>Mâle</term>
<term>Ostéo-intégration</term>
<term>Overdenture</term>
<term>Poche parodontale</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Résorption alvéolaire</term>
<term>Résultat thérapeutique</term>
<term>Rétention d'appareil de prothèse dentaire</term>
<term>Statistique non paramétrique</term>
<term>Échec de restauration dentaire</term>
<term>Études de faisabilité</term>
<term>Études de suivi</term>
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<front><div type="abstract" xml:lang="en">The aim of this study was to evaluate the feasibility of using a two-stage implant system in a single-stage procedure and to study the impact of the microgap at crestal level and to monitor the microflora in the peri-implant area. Forty edentulous patients (Cawood & Howell class V-VI) participated in this study. After randomisation, 20 patients received two IMZ implants inserted in a single-stage procedure and 20 patients received two ITI implants. After 3 months, overdentures were fabricated, supported by a bar and clip attachment. A standardised clinical and radiographic evaluation was performed immediately after denture insertion and 6 and 12 months later. Twelve months after loading, peri-implant samples were collected with sterile paper points and analysed for the presence of putative periodontal pathogens using culture techniques. One IMZ implant was lost due to insufficient osseointegration. With regard to the clinical parameters at the 12 months evaluation, significant differences for plaque score and probing pocket depth (IMZ: mean 3.3 mm, ITI: mean 2.9 mm) were found between the two groups. The mean bone loss in the first year of functioning was 0.6 mm for both groups. Prevotella intermedia was detected more often in the ITI group (12 implants) than in the IMZ group (three implants). Porphyromonas gingivalis was found in three patients. In one of these patients an implant showed bone loss of 1.6 mm between T0 and T12. Some associations were found between clinical parameters and the target microorganisms in the ITI group. These associations were not present in the IMZ group. The short-term results indicate that two-stage implants inserted in a single-stage procedure may be as predictable as one-stage implants. The microgap at crestal level in nonsubmerged IMZ implants seems to have no adverse influence on the peri-implant microbiological colonisation and of crestal bone loss in the first year of functioning. The peri-implant sulcus can and does harbour potential periodontal pathogens without signs of peri-implantitis during the evaluation period of 1 year.</div>
</front>
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<tree><noCountry><name sortKey="Meijer, Henny J A" sort="Meijer, Henny J A" uniqKey="Meijer H" first="Henny J A" last="Meijer">Henny J A. Meijer</name>
<name sortKey="Raghoebar, Gerry M" sort="Raghoebar, Gerry M" uniqKey="Raghoebar G" first="Gerry M" last="Raghoebar">Gerry M. Raghoebar</name>
<name sortKey="Stegenga, Boudewijn" sort="Stegenga, Boudewijn" uniqKey="Stegenga B" first="Boudewijn" last="Stegenga">Boudewijn Stegenga</name>
<name sortKey="Van Der Reijden, Willy A" sort="Van Der Reijden, Willy A" uniqKey="Van Der Reijden W" first="Willy A" last="Van Der Reijden">Willy A. Van Der Reijden</name>
<name sortKey="Van Winkelhoff, Arie Jan" sort="Van Winkelhoff, Arie Jan" uniqKey="Van Winkelhoff A" first="Arie Jan" last="Van Winkelhoff">Arie Jan Van Winkelhoff</name>
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<country name="Pays-Bas"><noRegion><name sortKey="Heydenrijk, Kees" sort="Heydenrijk, Kees" uniqKey="Heydenrijk K" first="Kees" last="Heydenrijk">Kees Heydenrijk</name>
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