Vascularity of the dental pulp after segmental osteotomy in the chacma baboon ( Papio ursinus)
Objective — To assess the vascularity of the dental pulp after segmental operations with and without interpositional autogenous bone grafting. Design — Experimental study. Setting — University Department, South Africa. Animals — 26 chacma baboons. Interventions — Maxillary and mandibular posterior s...
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| Veröffentlicht in: | British journal of oral & maxillofacial surgery 1998-08, Vol.36 (4), p.285-289 |
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| container_title | British journal of oral & maxillofacial surgery |
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| creator | Lownie, J.F. Cleaton-Jones, P.E. Fatti, L.P. Lownie, M.A. Forbes, M. Bird, M. |
| description | Objective — To assess the vascularity of the dental pulp after segmental operations with and without interpositional autogenous bone grafting.
Design — Experimental study.
Setting — University Department, South Africa.
Animals — 26 chacma baboons.
Interventions — Maxillary and mandibular posterior segmental osteotomies were perfused with barium sulphate 3, 6, 12 and 18 months postoperatively. The animals were killed at 3, 6, 12 and 18 months after surgery and perfused with barium sulphate. Barium-filled vessels were counted in histological sections from 189 control and experimental teeth.
Main outcome measure — Number of blood vessels.
Results — Blood vessel counts in mandibular teeth in osteotomy segments ranged from 0 to 1.15 compared with 2.27 to 4.58 in control teeth, while in maxillary teeth counts ranged from 0.54 to 2.22 for experimental teeth and 3.3 to 4.65 for controls. For both jaws, the numbers of vessels in experimental teeth gradually increased between 3 and 18 months but remained less than those in control teeth. Numbers of blood vessels were similar in graft and no-graft groups but both were less than half the counts in control teeth.
Conclusion — Blood flow is present in the teeth at all times after posterior segmental osteotomy but there is a risk of ischaemia. |
| doi_str_mv | 10.1016/S0266-4356(98)90712-4 |
| format | Article |
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Design — Experimental study.
Setting — University Department, South Africa.
Animals — 26 chacma baboons.
Interventions — Maxillary and mandibular posterior segmental osteotomies were perfused with barium sulphate 3, 6, 12 and 18 months postoperatively. The animals were killed at 3, 6, 12 and 18 months after surgery and perfused with barium sulphate. Barium-filled vessels were counted in histological sections from 189 control and experimental teeth.
Main outcome measure — Number of blood vessels.
Results — Blood vessel counts in mandibular teeth in osteotomy segments ranged from 0 to 1.15 compared with 2.27 to 4.58 in control teeth, while in maxillary teeth counts ranged from 0.54 to 2.22 for experimental teeth and 3.3 to 4.65 for controls. For both jaws, the numbers of vessels in experimental teeth gradually increased between 3 and 18 months but remained less than those in control teeth. Numbers of blood vessels were similar in graft and no-graft groups but both were less than half the counts in control teeth.
Conclusion — Blood flow is present in the teeth at all times after posterior segmental osteotomy but there is a risk of ischaemia.</description><identifier>ISSN: 0266-4356</identifier><identifier>EISSN: 1532-1940</identifier><identifier>DOI: 10.1016/S0266-4356(98)90712-4</identifier><identifier>PMID: 9762456</identifier><identifier>CODEN: BJOSEY</identifier><language>eng</language><publisher>Londonc: Elsevier Ltd</publisher><subject>Animals ; Barium Sulfate ; Biological and medical sciences ; Blood Vessels - anatomy & histology ; Bone Transplantation ; Contrast Media ; Dental Pulp - blood supply ; Dentistry ; Ent. Stomatology ; Female ; Follow-Up Studies ; Investigative techniques, diagnostic techniques (general aspects) ; Ischemia - etiology ; Mandible - pathology ; Mandible - surgery ; Maxilla - pathology ; Maxilla - surgery ; Medical sciences ; Neovascularization, Physiologic ; Osteotomy ; Papio ; Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques ; Regional Blood Flow ; Risk Factors ; Transplantation, Autologous</subject><ispartof>British journal of oral & maxillofacial surgery, 1998-08, Vol.36 (4), p.285-289</ispartof><rights>1998</rights><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-89a3e26e415f764a947a2a5302550bdcf5c88e67f0448d56bddb6794898f55de3</citedby><cites>FETCH-LOGICAL-c389t-89a3e26e415f764a947a2a5302550bdcf5c88e67f0448d56bddb6794898f55de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0266-4356(98)90712-4$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2353793$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9762456$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lownie, J.F.</creatorcontrib><creatorcontrib>Cleaton-Jones, P.E.</creatorcontrib><creatorcontrib>Fatti, L.P.</creatorcontrib><creatorcontrib>Lownie, M.A.</creatorcontrib><creatorcontrib>Forbes, M.</creatorcontrib><creatorcontrib>Bird, M.</creatorcontrib><title>Vascularity of the dental pulp after segmental osteotomy in the chacma baboon ( Papio ursinus)</title><title>British journal of oral & maxillofacial surgery</title><addtitle>Br J Oral Maxillofac Surg</addtitle><description>Objective — To assess the vascularity of the dental pulp after segmental operations with and without interpositional autogenous bone grafting.
Design — Experimental study.
Setting — University Department, South Africa.
Animals — 26 chacma baboons.
Interventions — Maxillary and mandibular posterior segmental osteotomies were perfused with barium sulphate 3, 6, 12 and 18 months postoperatively. The animals were killed at 3, 6, 12 and 18 months after surgery and perfused with barium sulphate. Barium-filled vessels were counted in histological sections from 189 control and experimental teeth.
Main outcome measure — Number of blood vessels.
Results — Blood vessel counts in mandibular teeth in osteotomy segments ranged from 0 to 1.15 compared with 2.27 to 4.58 in control teeth, while in maxillary teeth counts ranged from 0.54 to 2.22 for experimental teeth and 3.3 to 4.65 for controls. For both jaws, the numbers of vessels in experimental teeth gradually increased between 3 and 18 months but remained less than those in control teeth. Numbers of blood vessels were similar in graft and no-graft groups but both were less than half the counts in control teeth.
Conclusion — Blood flow is present in the teeth at all times after posterior segmental osteotomy but there is a risk of ischaemia.</description><subject>Animals</subject><subject>Barium Sulfate</subject><subject>Biological and medical sciences</subject><subject>Blood Vessels - anatomy & histology</subject><subject>Bone Transplantation</subject><subject>Contrast Media</subject><subject>Dental Pulp - blood supply</subject><subject>Dentistry</subject><subject>Ent. Stomatology</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Ischemia - etiology</subject><subject>Mandible - pathology</subject><subject>Mandible - surgery</subject><subject>Maxilla - pathology</subject><subject>Maxilla - surgery</subject><subject>Medical sciences</subject><subject>Neovascularization, Physiologic</subject><subject>Osteotomy</subject><subject>Papio</subject><subject>Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques</subject><subject>Regional Blood Flow</subject><subject>Risk Factors</subject><subject>Transplantation, Autologous</subject><issn>0266-4356</issn><issn>1532-1940</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtr3DAQgEVpSbfb_oSADqUkBzd6WzqVEPqCQAJ9HCtkadyo2JYryYH993V2l732NMzMNw8-hM4peU8JVVffCFOqEVyqC6MvDWkpa8QztKGSs4YaQZ6jzQl5iV6V8ocQIhmVZ-jMtIoJqTbo109X_DK4HOsOpx7XB8ABpuoGPC_DjF1fIeMCv8dDMZUKqaZxh-O0h_2D86PDnetSmvAFvndzTHjJJU5LuXyNXvRuKPDmGLfox6eP32--NLd3n7_eXN82nmtTG20cB6ZAUNm3SjgjWsec5IRJSbrge-m1BtX2RAgdpOpC6FRrhDa6lzIA36J3h71zTn8XKNWOsXgYBjdBWoptuZHGMLKC8gD6nErJ0Ns5x9HlnaXEPnm1e6_2SZo12u69rtkWnR8PLN0I4TR1FLn23x77q0839NlNPpYTxrjkreEr9uGAwSrjMUK2xUeYPISYwVcbUvzPI_8AoFCUSw</recordid><startdate>19980801</startdate><enddate>19980801</enddate><creator>Lownie, J.F.</creator><creator>Cleaton-Jones, P.E.</creator><creator>Fatti, L.P.</creator><creator>Lownie, M.A.</creator><creator>Forbes, M.</creator><creator>Bird, M.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19980801</creationdate><title>Vascularity of the dental pulp after segmental osteotomy in the chacma baboon ( Papio ursinus)</title><author>Lownie, J.F. ; Cleaton-Jones, P.E. ; Fatti, L.P. ; Lownie, M.A. ; Forbes, M. ; Bird, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-89a3e26e415f764a947a2a5302550bdcf5c88e67f0448d56bddb6794898f55de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Animals</topic><topic>Barium Sulfate</topic><topic>Biological and medical sciences</topic><topic>Blood Vessels - anatomy & histology</topic><topic>Bone Transplantation</topic><topic>Contrast Media</topic><topic>Dental Pulp - blood supply</topic><topic>Dentistry</topic><topic>Ent. Stomatology</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Ischemia - etiology</topic><topic>Mandible - pathology</topic><topic>Mandible - surgery</topic><topic>Maxilla - pathology</topic><topic>Maxilla - surgery</topic><topic>Medical sciences</topic><topic>Neovascularization, Physiologic</topic><topic>Osteotomy</topic><topic>Papio</topic><topic>Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques</topic><topic>Regional Blood Flow</topic><topic>Risk Factors</topic><topic>Transplantation, Autologous</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lownie, J.F.</creatorcontrib><creatorcontrib>Cleaton-Jones, P.E.</creatorcontrib><creatorcontrib>Fatti, L.P.</creatorcontrib><creatorcontrib>Lownie, M.A.</creatorcontrib><creatorcontrib>Forbes, M.</creatorcontrib><creatorcontrib>Bird, M.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>British journal of oral & maxillofacial surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lownie, J.F.</au><au>Cleaton-Jones, P.E.</au><au>Fatti, L.P.</au><au>Lownie, M.A.</au><au>Forbes, M.</au><au>Bird, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vascularity of the dental pulp after segmental osteotomy in the chacma baboon ( Papio ursinus)</atitle><jtitle>British journal of oral & maxillofacial surgery</jtitle><addtitle>Br J Oral Maxillofac Surg</addtitle><date>1998-08-01</date><risdate>1998</risdate><volume>36</volume><issue>4</issue><spage>285</spage><epage>289</epage><pages>285-289</pages><issn>0266-4356</issn><eissn>1532-1940</eissn><coden>BJOSEY</coden><abstract>Objective — To assess the vascularity of the dental pulp after segmental operations with and without interpositional autogenous bone grafting.
Design — Experimental study.
Setting — University Department, South Africa.
Animals — 26 chacma baboons.
Interventions — Maxillary and mandibular posterior segmental osteotomies were perfused with barium sulphate 3, 6, 12 and 18 months postoperatively. The animals were killed at 3, 6, 12 and 18 months after surgery and perfused with barium sulphate. Barium-filled vessels were counted in histological sections from 189 control and experimental teeth.
Main outcome measure — Number of blood vessels.
Results — Blood vessel counts in mandibular teeth in osteotomy segments ranged from 0 to 1.15 compared with 2.27 to 4.58 in control teeth, while in maxillary teeth counts ranged from 0.54 to 2.22 for experimental teeth and 3.3 to 4.65 for controls. For both jaws, the numbers of vessels in experimental teeth gradually increased between 3 and 18 months but remained less than those in control teeth. Numbers of blood vessels were similar in graft and no-graft groups but both were less than half the counts in control teeth.
Conclusion — Blood flow is present in the teeth at all times after posterior segmental osteotomy but there is a risk of ischaemia.</abstract><cop>Londonc</cop><pub>Elsevier Ltd</pub><pmid>9762456</pmid><doi>10.1016/S0266-4356(98)90712-4</doi><tpages>5</tpages></addata></record> |
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| ispartof | British journal of oral & maxillofacial surgery, 1998-08, Vol.36 (4), p.285-289 |
| issn | 0266-4356 1532-1940 |
| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Animals Barium Sulfate Biological and medical sciences Blood Vessels - anatomy & histology Bone Transplantation Contrast Media Dental Pulp - blood supply Dentistry Ent. Stomatology Female Follow-Up Studies Investigative techniques, diagnostic techniques (general aspects) Ischemia - etiology Mandible - pathology Mandible - surgery Maxilla - pathology Maxilla - surgery Medical sciences Neovascularization, Physiologic Osteotomy Papio Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques Regional Blood Flow Risk Factors Transplantation, Autologous |
| title | Vascularity of the dental pulp after segmental osteotomy in the chacma baboon ( Papio ursinus) |
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