Effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration: a histomorphometric study in dogs

Background and Objective:  The aim of the present study was to evaluate comparatively the effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration (GTR). Material and Methods:  Nine mongrel dogs were used to obtain bilateral chronic c...

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Veröffentlicht in:Journal of periodontal research 2006-12, Vol.41 (6), p.535-540
Hauptverfasser: Gonçalves, P. F., Gurgel, B. C. V., Pimentel, S. P., Sallum, E. A., Sallum, A. W., Casati, M. Z., Nociti Jr, F. H.
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container_end_page 540
container_issue 6
container_start_page 535
container_title Journal of periodontal research
container_volume 41
creator Gonçalves, P. F.
Gurgel, B. C. V.
Pimentel, S. P.
Sallum, E. A.
Sallum, A. W.
Casati, M. Z.
Nociti Jr, F. H.
description Background and Objective:  The aim of the present study was to evaluate comparatively the effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration (GTR). Material and Methods:  Nine mongrel dogs were used to obtain bilateral chronic class III furcation defects by placing cotton ligatures around both third mandibular premolars. The teeth were randomly assigned to receive one of the following treatments: scaling and root planing, by means of hand and rotatory instruments, in order to remove soft and hard deposits as well as all root cementum (group A); or removal of only soft microbial deposits, by polishing the root surface with rubber cups and polishing paste, aiming for maximum root cementum preservation (group B). Both groups were treated with GTR, with the use of resorbable polyglycolic‐lactic acid membranes (RESOLUT XT®). Results:  Four months later, data analysis showed that a superior length (mm) (3.59 ± 1.67 and 6.20 ± 2.26 for groups A and B, respectively; p = 0.004) and a thicker layer (µm) (18.89 ± 9.47 and 52.29 ± 22.48 for groups A and B, respectively; p = 0.001) of new cementum was achieved by keeping the root cementum in place during root decontamination (group B). Regardless of the treatment modality, the new cementum was predominantly of a reparative, cellular extrinsic and intrinsic fiber type. Conclusion:  Within the limits of the present study, it may be concluded that root cementum preservation may affect the new cementum formation following GTR in class III furcation defects, and the treatment modality did not influence the type of newly formed cementum.
doi_str_mv 10.1111/j.1600-0765.2006.00902.x
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F. ; Gurgel, B. C. V. ; Pimentel, S. P. ; Sallum, E. A. ; Sallum, A. W. ; Casati, M. Z. ; Nociti Jr, F. H.</creator><creatorcontrib>Gonçalves, P. F. ; Gurgel, B. C. V. ; Pimentel, S. P. ; Sallum, E. A. ; Sallum, A. W. ; Casati, M. Z. ; Nociti Jr, F. H.</creatorcontrib><description>Background and Objective:  The aim of the present study was to evaluate comparatively the effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration (GTR). Material and Methods:  Nine mongrel dogs were used to obtain bilateral chronic class III furcation defects by placing cotton ligatures around both third mandibular premolars. The teeth were randomly assigned to receive one of the following treatments: scaling and root planing, by means of hand and rotatory instruments, in order to remove soft and hard deposits as well as all root cementum (group A); or removal of only soft microbial deposits, by polishing the root surface with rubber cups and polishing paste, aiming for maximum root cementum preservation (group B). Both groups were treated with GTR, with the use of resorbable polyglycolic‐lactic acid membranes (RESOLUT XT®). Results:  Four months later, data analysis showed that a superior length (mm) (3.59 ± 1.67 and 6.20 ± 2.26 for groups A and B, respectively; p = 0.004) and a thicker layer (µm) (18.89 ± 9.47 and 52.29 ± 22.48 for groups A and B, respectively; p = 0.001) of new cementum was achieved by keeping the root cementum in place during root decontamination (group B). Regardless of the treatment modality, the new cementum was predominantly of a reparative, cellular extrinsic and intrinsic fiber type. Conclusion:  Within the limits of the present study, it may be concluded that root cementum preservation may affect the new cementum formation following GTR in class III furcation defects, and the treatment modality did not influence the type of newly formed cementum.</description><identifier>ISSN: 0022-3484</identifier><identifier>EISSN: 1600-0765</identifier><identifier>DOI: 10.1111/j.1600-0765.2006.00902.x</identifier><identifier>PMID: 17076778</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Animals ; Biofilms ; Biological and medical sciences ; Decontamination - methods ; Dental Cementum - cytology ; Dental Cementum - microbiology ; Dental Cementum - physiology ; Dental Polishing ; Dental Scaling ; Dentistry ; Dogs ; Furcation Defects - microbiology ; Furcation Defects - pathology ; Furcation Defects - therapy ; Guided Tissue Regeneration, Periodontal - methods ; Ligation ; Male ; Medical sciences ; Otorhinolaryngology. 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F.</creatorcontrib><creatorcontrib>Gurgel, B. C. V.</creatorcontrib><creatorcontrib>Pimentel, S. P.</creatorcontrib><creatorcontrib>Sallum, E. A.</creatorcontrib><creatorcontrib>Sallum, A. W.</creatorcontrib><creatorcontrib>Casati, M. Z.</creatorcontrib><creatorcontrib>Nociti Jr, F. H.</creatorcontrib><title>Effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration: a histomorphometric study in dogs</title><title>Journal of periodontal research</title><addtitle>J Periodontal Res</addtitle><description>Background and Objective:  The aim of the present study was to evaluate comparatively the effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration (GTR). Material and Methods:  Nine mongrel dogs were used to obtain bilateral chronic class III furcation defects by placing cotton ligatures around both third mandibular premolars. The teeth were randomly assigned to receive one of the following treatments: scaling and root planing, by means of hand and rotatory instruments, in order to remove soft and hard deposits as well as all root cementum (group A); or removal of only soft microbial deposits, by polishing the root surface with rubber cups and polishing paste, aiming for maximum root cementum preservation (group B). Both groups were treated with GTR, with the use of resorbable polyglycolic‐lactic acid membranes (RESOLUT XT®). Results:  Four months later, data analysis showed that a superior length (mm) (3.59 ± 1.67 and 6.20 ± 2.26 for groups A and B, respectively; p = 0.004) and a thicker layer (µm) (18.89 ± 9.47 and 52.29 ± 22.48 for groups A and B, respectively; p = 0.001) of new cementum was achieved by keeping the root cementum in place during root decontamination (group B). Regardless of the treatment modality, the new cementum was predominantly of a reparative, cellular extrinsic and intrinsic fiber type. 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H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration: a histomorphometric study in dogs</atitle><jtitle>Journal of periodontal research</jtitle><addtitle>J Periodontal Res</addtitle><date>2006-12</date><risdate>2006</risdate><volume>41</volume><issue>6</issue><spage>535</spage><epage>540</epage><pages>535-540</pages><issn>0022-3484</issn><eissn>1600-0765</eissn><abstract>Background and Objective:  The aim of the present study was to evaluate comparatively the effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration (GTR). Material and Methods:  Nine mongrel dogs were used to obtain bilateral chronic class III furcation defects by placing cotton ligatures around both third mandibular premolars. The teeth were randomly assigned to receive one of the following treatments: scaling and root planing, by means of hand and rotatory instruments, in order to remove soft and hard deposits as well as all root cementum (group A); or removal of only soft microbial deposits, by polishing the root surface with rubber cups and polishing paste, aiming for maximum root cementum preservation (group B). Both groups were treated with GTR, with the use of resorbable polyglycolic‐lactic acid membranes (RESOLUT XT®). Results:  Four months later, data analysis showed that a superior length (mm) (3.59 ± 1.67 and 6.20 ± 2.26 for groups A and B, respectively; p = 0.004) and a thicker layer (µm) (18.89 ± 9.47 and 52.29 ± 22.48 for groups A and B, respectively; p = 0.001) of new cementum was achieved by keeping the root cementum in place during root decontamination (group B). Regardless of the treatment modality, the new cementum was predominantly of a reparative, cellular extrinsic and intrinsic fiber type. Conclusion:  Within the limits of the present study, it may be concluded that root cementum preservation may affect the new cementum formation following GTR in class III furcation defects, and the treatment modality did not influence the type of newly formed cementum.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>17076778</pmid><doi>10.1111/j.1600-0765.2006.00902.x</doi><tpages>6</tpages></addata></record>
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subjects Animals
Biofilms
Biological and medical sciences
Decontamination - methods
Dental Cementum - cytology
Dental Cementum - microbiology
Dental Cementum - physiology
Dental Polishing
Dental Scaling
Dentistry
Dogs
Furcation Defects - microbiology
Furcation Defects - pathology
Furcation Defects - therapy
Guided Tissue Regeneration, Periodontal - methods
Ligation
Male
Medical sciences
Otorhinolaryngology. Stomatology
periodontal regeneration
Random Allocation
root cementum
Root Planing
Tooth Root - cytology
Tooth Root - microbiology
title Effect of two different approaches for root decontamination on new cementum formation following guided tissue regeneration: a histomorphometric study in dogs
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