A clinical long-term radiographic evaluation of graft height changes after maxillary sinus floor augmentation with a 2:1 autogenous bone/xenograft mixture and simultaneous placement of dental implants.
Identifieur interne : 007834 ( Main/Exploration ); précédent : 007833; suivant : 007835A clinical long-term radiographic evaluation of graft height changes after maxillary sinus floor augmentation with a 2:1 autogenous bone/xenograft mixture and simultaneous placement of dental implants.
Auteurs : Naoki Hatano [Japon] ; Yoshinaka Shimizu ; Kiyoshi OoyaSource :
- Clinical oral implants research [ 0905-7161 ] ; 2004.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Analyse de survie, Animaux, Bovins, Femelle, Humains, Implants dentaires, Maxillaire (), Maxillaire (imagerie diagnostique), Minéraux (usage thérapeutique), Mâchoire partiellement édentée (), Mâle, Piliers dentaires, Radiographie panoramique, Reconstruction de crête alvéolaire (), Sinus maxillaire (), Sinus maxillaire (imagerie diagnostique), Substituts osseux (usage thérapeutique), Sujet âgé, Trame osseuse (transplantation), Transplantation autologue, Transplantation hétérologue, Transplantation osseuse (), Transplantation osseuse (anatomopathologie), Échec de restauration dentaire, Études de suivi, Études longitudinales.
- MESH :
- anatomopathologie : Transplantation osseuse.
- imagerie diagnostique : Maxillaire, Sinus maxillaire.
- usage thérapeutique : Minéraux, Substituts osseux, Trame osseuse.
- Adulte, Adulte d'âge moyen, Analyse de survie, Animaux, Bovins, Femelle, Humains, Implants dentaires, Maxillaire, Mâchoire partiellement édentée, Mâle, Piliers dentaires, Radiographie panoramique, Reconstruction de crête alvéolaire, Sinus maxillaire, Sujet âgé, Transplantation autologue, Transplantation hétérologue, Transplantation osseuse, Échec de restauration dentaire, Études de suivi, Études longitudinales.
English descriptors
- KwdEn :
- Adult, Aged, Alveolar Ridge Augmentation (methods), Animals, Bone Matrix (transplantation), Bone Substitutes (therapeutic use), Bone Transplantation (methods), Bone Transplantation (pathology), Cattle, Dental Abutments, Dental Implants, Dental Restoration Failure, Female, Follow-Up Studies, Humans, Jaw, Edentulous, Partially (surgery), Longitudinal Studies, Male, Maxilla (diagnostic imaging), Maxilla (surgery), Maxillary Sinus (diagnostic imaging), Maxillary Sinus (surgery), Middle Aged, Minerals (therapeutic use), Radiography, Panoramic, Survival Analysis, Transplantation, Autologous, Transplantation, Heterologous.
- MESH :
- chemical , therapeutic use : Bone Substitutes, Minerals.
- diagnostic imaging : Maxilla, Maxillary Sinus.
- methods : Alveolar Ridge Augmentation, Bone Transplantation.
- pathology : Bone Transplantation.
- surgery : Jaw, Edentulous, Partially, Maxilla, Maxillary Sinus.
- transplantation : Bone Matrix.
- Adult, Aged, Animals, Cattle, Dental Abutments, Dental Implants, Dental Restoration Failure, Female, Follow-Up Studies, Humans, Longitudinal Studies, Male, Middle Aged, Radiography, Panoramic, Survival Analysis, Transplantation, Autologous, Transplantation, Heterologous.
Abstract
The aim of the present study was to assess long-term changes in sinus-graft height after maxillary sinus floor augmentation and simultaneous placement of implants. A total of 191 patients who underwent maxillary sinus floor augmentation were radiographically followed for up to about 10 years. A 2 : 1 mixture of autogenous bone and bovine xenograft (Bio-Oss) was used as the graft material. Sinus-graft height was measured using 294 panoramic images immediately after augmentation and up to 108 months subsequently. Changes in sinus-graft height were calculated with respect to implant length and original sinus height. Patients were divided into three groups based on the height of the grafted sinus floor relative to the implant apex: Group I, in which the grafted sinus floor was above the implant apex; Group II, in which the implant apex was level with the grafted sinus floor; and Group III, in which the grafted sinus floor was below the implant apex. After augmentation, the grafted sinus floor was consistently located above the implant apex. After 2-3 years, the grafted sinus floor was level with or slightly below the implant apex. This relationship was maintained over the long term. Sinus-graft height decreased significantly and approached original sinus height. The proportion of patients classified as belonging to Group III reached a maximum from year 3 onwards. The clinical survival rate of implants was 94.2%. All implant losses occurred within 3 years after augmentation. We conclude that progressive sinus pneumatization occurs after augmentation with a 2 : 1 autogenous bone/xenograft mixture, and long-term stability of sinus-graft height represents an important factor for implant success.
DOI: 10.1111/j.1600-0501.2004.00996.x
PubMed: 15142097
Affiliations:
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Le document en format XML
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A total of 191 patients who underwent maxillary sinus floor augmentation were radiographically followed for up to about 10 years. A 2 : 1 mixture of autogenous bone and bovine xenograft (Bio-Oss) was used as the graft material. Sinus-graft height was measured using 294 panoramic images immediately after augmentation and up to 108 months subsequently. Changes in sinus-graft height were calculated with respect to implant length and original sinus height. Patients were divided into three groups based on the height of the grafted sinus floor relative to the implant apex: Group I, in which the grafted sinus floor was above the implant apex; Group II, in which the implant apex was level with the grafted sinus floor; and Group III, in which the grafted sinus floor was below the implant apex. After augmentation, the grafted sinus floor was consistently located above the implant apex. After 2-3 years, the grafted sinus floor was level with or slightly below the implant apex. This relationship was maintained over the long term. Sinus-graft height decreased significantly and approached original sinus height. The proportion of patients classified as belonging to Group III reached a maximum from year 3 onwards. The clinical survival rate of implants was 94.2%. All implant losses occurred within 3 years after augmentation. We conclude that progressive sinus pneumatization occurs after augmentation with a 2 : 1 autogenous bone/xenograft mixture, and long-term stability of sinus-graft height represents an important factor for implant success.</div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Région de Tōhoku</li></region><settlement><li>Sendai</li></settlement><orgName><li>Université du Tōhoku</li></orgName></list><tree><noCountry><name sortKey="Ooya, Kiyoshi" sort="Ooya, Kiyoshi" uniqKey="Ooya K" first="Kiyoshi" last="Ooya">Kiyoshi Ooya</name><name sortKey="Shimizu, Yoshinaka" sort="Shimizu, Yoshinaka" uniqKey="Shimizu Y" first="Yoshinaka" last="Shimizu">Yoshinaka Shimizu</name></noCountry><country name="Japon"><region name="Région de Tōhoku"><name sortKey="Hatano, Naoki" sort="Hatano, Naoki" uniqKey="Hatano N" first="Naoki" last="Hatano">Naoki Hatano</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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