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Archive for April 17th, 2013

Apr 17 2013

牙科新聞

Published by Dental Library under Dentistry
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1– 15 April 2013

香港

 

1.  5300年冰人爛齒口臭疑從不刷牙  [太陽報] 2013-04-12 A38 國際

2.  兔唇裂顎  [信報財經新聞] 2013-04-12 C02 健康生活 言語治療 鄧寶儀

3. 「唔係大力刷牙就有用」  [蘋果日報] 2013-04-11 A18 健康與醫療

4.  造骨補牙床 殺菌防牙患 西柚護齒功效大  [蘋果日報] 2013-04-11 A18 健康與醫療

5.  醫知健:患牙周病可致不舉  [太陽報] 2013-04-01 A12 港聞

 

 [Source: Wisenews]

 

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Apr 17 2013

UN Documentation Research Guide: updated and expanded

In honor of the 60th anniversary of the appointment of Dag Hammarskjöld  as Secretary-General, the library has recently launched a new UN Documentation Research Guide (http://research.un.org/en/docs) with expanded and updated information. Beginning in April 2013, the old guide will not be updated, with the exception of the current General Assembly and Security Council resolutions tables.  New research guides include a guide to online UN information resources (http://research.un.org/en/un-resources).  For more about what newly included, please check http://www.un.org/Depts/dhl/resguide/new.htm

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Apr 17 2013

Dental Research Seminar

Published by Dental Library under Dentistry
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Date: April 26, 2013 (Friday)
Time: 12:45 p.m. to 1:30 p.m.
Venue: Lecture Theatre II, G/F, The Prince Philip Dental Hospital

 

Presenter: Miss Sununliganon Laddawun, PhD Candidate

 

 

Title: Stem cell approach for maxillary sinus grafting in atrophic maxilla

 

Abstract:

Maxillary sinus grafting is required in atrophic maxilla to facilitate dental implant placement.  Autogenous bone is a standard grafting material but bone harvesting procedure is traumatic to patients.  Bone substitute is used as an alternative but bone formation is limited.  Mesenchymal stem/stomal cells (MSC) supplement to promote bone regeneration was introduced to provide a cellular-based tissue engineering method.

 

This study aimed to evaluate the bone regeneration capacity of bone marrow aspirate concentrate (BMAC) in maxillary sinus grafting.  Quantitative and qualitative analysis of bone marrow aspirate was performed before and after concentration. Animal study in rabbits’ maxillary sinus was carried out to compare 4 grafting materials.   A pilot human study was also conducted.  The results showed that bone marrow aspirate can be concentrated by a one-step centrifuge method with confirmation of the presence of MSCs having differentiation capabilities.  In addition, BMAC transplantation is a worthy therapeutic option for bone grafting.

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