Wisdom tooth Other area Chen Nah Nah
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Clin Assoc Prof Chen Nah Nah

BDS (Singapore)

MDS (Operative Dentistry)

MS (Endodontics) (Loma Linda)

FAMS (Endondontics) 

Senior Consultant

Specialty: Endodontics

Conditions Treated by this Doctor:
Caring for Your Root Treated Tooth, Cracked Tooth, Dental Pulp Infection, Endodontic Infections, Endodontic Surgery, Root Canal Treatment, Vital and Non-vital Pulp Therapies.

Clinical Appointments

  • Senior Consultant Endodontics, Department of Restorative Dentistry National Dental Centre SingaporeNational Dental Centre Singapore

Profile

Cl A/Prof Chen Nah Nah is a Senior Consultant from the Endodontic Unit, Department of Restorative Dentistry, National Dental Centre Singapore. 

Prof Chen believes oral health is an integral part of total health. Having a healthy, intact and problem-free dentition is essential for the maintenance of good general health and it contributes greatly towards the well- being of the individual. In this aspect, endodontics strives to conserve teeth where and when possible and I am committed to its cause.

Education

  • Fellow, Academy of Medicine, Singapore, 1990 
  • Master of Science (Endodontics), Loma Linda University, Loma Linda, USA,1987 
  • Master of Dental Surgery (MDS) in Operative Dentistry, National University of Singapore, 1982 
  • Bachelor of Dental Surgery, University of Singapore – 1977 

Professional Appointments and Committee Memberships

  • Clinical Associate Professor, Department of Preventive Dentistry, Clinical Faculty Scheme, Faculty of Dentistry NUS - 
  • Singapore Dental Council Member, Workgroup for development of specialised Oral Health Therapist - 2009- 2010
  • Singapore Dental Council Member, Member of Accreditation Committee - 2003 - 2009
  • Academy of Medicine, Singapore, Member, Dental Specialty Board for Endodontics - 2004 - 2007     
  • Academy of Medicine, Singapore, Member, Specialty Resource Committee on Endodontics - 2003 - 2008
  • Academy of Medicine, Singapore, Member, Pro-tem Endodontic Specialty Board Member, Chapter of Dental Surgeons - 1999 - 2002
  • Academy of Medicine, Singapore, Member, Chapter of Dental Surgeons - 1990 - present
  • International Association of Dental Research (IADR), Member, Asian Division - 1991 - present
  • International Association of Dental Research (IADR), Member - 1985 - 1990
  • Endodontic Study Club, Member - 1990 - 1998
  • Singapore Dental Association (SDA), Member of Dental Health, Education and Research Subcom - 1988 - 1989
  • National University of Singapore, Faculty of Dentistry, Associate Director, MDS Endo Residency Program - 2013-2015
  • National University of Singapore, Faculty of Dentistry, Clinical Associate Professor - 2004 - present
  • National University of Singapore, Faculty of Dentistry, Deputy Director, Division of Graduate Dental Studies - 2004 - 2006
  • National University of Singapore, Faculty of Dentistry, Member, Committee for Endodontics, MDS Endo Residency Training Programme - 1999 – present
  • National University of Singapore, Faculty of Dentistry, Co-Director, MDS Endo Residency Training Programme - 1999 - 2012     
  • National University of Singapore, Faculty of Dentistry, Part-time Clinical Teacher in Endodontics - 1990 – 1999
  • National University of Singapore, Faculty of Dentistry, Deputy Director, Graduate School of Dental Studies - 1997 - 2003
  • National University Hospital (NUH), Visiting Consultant - 1994 - 2000
  • Ministry of Health (MOH), Member, Complaints’ Panel - 2016 
  • Ministry of Health (MOH), MOH, clinical expert on appeal cases - 2011
  • Ministry of Health (MOH), Member, Dental Specialist’s Assessment committee (DSAC)- 2003- 2008
  • Ministry of Health (MOH), Member, Dental Specialist Accreditation Board (DSAB) - 2008-2016 
  • Ministry of Health (MOH), Member, Committee for Development of Good Practice guidelines - 2004
  • Ministry of Health (MOH), Member, Specialty Resource Committee on Endodontics - 2003-2008
  • National Dental Centre Singapore, Head, Imaging Unit - 2015 - 2020
  • National Dental Centre Singapore, Member, working committee, Dental clinic at SKGH - 2013- present
  • National Dental Centre Singapore, Head,  Endodontic Unit - 2008 - 2015

Awards

  • HMDP Fellowship (Sweden/UK), 1996 
  • National Deans’ Best List, LLU, 1985/86
  • HMDP Fellowship( Loma Linda , USA) 1984/85
  • Public Sector Wits Convention (Gold), 1984 

Research Interests

  • Outcomes of cracked tooth a 10-year follow-up - started in 2016 
  • Outcome of apical surgeries : a 5-year follow-up – on-going Retrospective study to evaluate the outcome of endodontic microsurgery (done 2007-2012) 
  • Incidence of pulpal complications following crowns in vital cracked teeth – started in 2016 

Publications

(A) Refereed articles 

Decision making for retention of endodontically treated posterior cracked teeth : a 5 year follow-up study IRENE G.B. SIM, TOH-SEONG LIM, GITA KRISHNASWAMY, NAH-NAH CHEN J of Endodontics, Vol 42 (2) : 225-229 Feb 2016 

Prognostic factors relating to the outcome of endodontic microsurgery JEEN-NEE LUI , MA-MA KHIN , GITA KRISHNASWAMY , NAH-NAH CHEN J of Endodontics, Vol 40 (8) 1071-1076 Aug 2014 

Intra-orifice Sealing Materials On Cervical Leakage Of Endodontically-treated teeth TS JEE, GKC LIM , NN CHEN, YH CHAN IADR Paper # 154166, Singapore 2011 

The effect of ultrasonics with or without EDTA on the removal of smear layer KUAH HG, LUI JN, TSENG SK, NNCHEN J.of Endodontics Vol 35 (3): 393-396, Mar 2009 

The effect of EDTA with or without surfactants or ultrasonics on the removal of smear layer JNLUI, HG KUAH, NN CHEN Journal of Endodontics, Vol (4):472-475, April 2007 

A 5-yr retrospective study of fixed partial dentures: success, survival and incidence of biological and technical complications. KTAN,SY CHAN, CSIM, KH TEOH, EK CHUA, KW YUEN, NN CHEN Sing Dent J, Vol. 28(1) 40-46, Dec 2006 

Survival of root filled cracked teeth in a tertiary institution L TAN, NN CHEN, CY POON, HB WONG Int.Endo J, Vol 39 :886-889, 2006 

The effect of surfactants andultrasonics on Removal of the Smear Layer in instrumented Root Canals JN LUI, HG KUAH, NNCHEN Abstract, JOE # , April 2006 

A Five-year retrospective study of fixed partial dentures: Success,survival and incidence of biological and technical complications. K TAN, SY CHAN, C SIM, KH TEOH, EK CHUA, KW YUEN, NN CHEN Poster SUR #675, Combined Scientific meeting (Singhealth-NHG)4-6 Nov 2005 

A 2 year retrospective analysis of endodontically treated teeth with incomplete tooth fracture L TAN, NN CHEN, HB WONG Abstract, Br Soc Dent Res , April 2004 

Guidelines for Root Canal Treatment HK CHNG, NN CHEN, ET KOH, CE LAM, KC LIM, CP SUM Sing Dent J, Vol 26(1)60-62, 2004 

Chairside sensor for rapid monitoring of Enterrococcus Faecalis activity A KISHEN, NN CHEN, L TAN & A ASUNDI Journal of Endodontics, Vol 30(12): 872 – 875, 2004 

Implementation of a quality improvement project at National Dental Centre, Singapore N GUHA-CHOWDHURY & NN CHEN J Dent Res 82(Special Issue B) Abstract# 2403, 2003 

Stress-strain response in human dentine: rethinking fracture predilection in postcore restored teeth A KISHEN, GV KUMAR, NN CHEN Dental Traumatology 2004 Vol. 20: 90-100 

In-vitro antimicrobial effect of chlorhexidine–impregnated gutta-percha points on Enterococcus faecalis LUI JN, SAE-LIM V, SONG KP, CHEN NN Int Endod J 2004 Feb 37(2):105-113 

Prophylactic treatment of Dens Evaginatus using Mineral Trioxide Aggregate ET KOH, TR PITT FORD, SP KARIYAWASAM, NN CHEN & M TORABINEJAD Journal of Endodontics,Vol. 27, No. 8:540-542, August 2001 

Vitality Testing of Maxillary Anterior Teeth with Laser Doppler Flowmetry HH LIU, PL LOH, NN CHEN, CP SUM & SY LING J Dent Res (Sp. Issue) Abstr, #1079, June 1998 

Root canal morphology of the mandibular 2nd molars in Singapore Chinese NN CHEN, KC LIM & J NEO J Dent Res (Sp. Issue) SEA Division 71(4):1123, Abstr #30, 1992 

A TEM study of early changes in hypoxic pulps NN CHEN, LK BAKLAND & R SCHULTZ J Dent Res (Sp. Issue) Abstr #814, March 1988 

Acid Etching in Clinical Practice NN CHEN & CS TEO Sing Dent J 7(2):69-76, 1982

Research Trials