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Oral Health Newsbites
ISSUE 1 | MAY 2022
P3 P4 P6
New automatic The link between Education Day 2021
RPD design system periodontitis and andORH ACP
for partially risk of gestational Excellence in
edentulous patients diabetes Teaching Awards
Oral Health Newsbites | Issue 1 May 2022 1
Oral Health Newsbites is a bi-annual newsletter which highlights our key innovations and events
under clinical research and education. In this first issue, we share some of the meaningful work
and achievements of our clinicians, researchers, and educators who have contributed to the
future of patient care and innovation.
The SingHealth Duke-NUS Oral Health Academic Clinical Programme (ORH ACP) was
launched in August 2014. The ORH ACP brings together three clinical departments and six
specialties across National Dental Centre Singapore (NDCS), KK Women’s & Children’s Hospital
(KKH), SingHealth Polyclinics (SHP) and Changi General Hospital (CGH). ACP’s main priorities include
focusing on the four key Research Themes (Bone Bioengineering, Oral Devices and Therapeutics,
Genomics / Biomarker Discovery and Health Services Research), nurturing budding clinician
scientists, as well as collaborating with Duke-NUS on joint certification of Senior Residency and
Fellowship Programs.
CLINICAL INNOVATION
3 New automatic RPD design system
for partially edentulous patients
PanoShield: Face shields that offer
panoramic protection
RESEARCH
4 The link between periodontitis and
risk of gestational diabetes
Contents 5 A counterfactual approach onthe
effect of metabolic syndrome on
tooth loss: a population-based study
EDUCATION
6 Education Day 2021 and ORH ACP
Excellence in Teaching Awards
OVERVIEW
7 FY21 Grant and Award Recipients
2 Issue 1 May 2022 | Oral Health Newsbites
CLINICAL INNOVATION
New automatic RPD design system for partially edentulous patients
A more pleasant patient journey for denture wearers
N
DCS, together with service and meet the design patterns to fit the
A*STAR and ST rising demands of denture geometry of the patient.
Engineering, developed a production for Singapore’s
software prototype to generate ageing population. The team proposed using a
printable, patient-specific selective laser melting (SLM)
Removeable Partial Dentures The three-step system technique to mass produce
(RPD) framework file from encompasses of the the Chrome-cobalt denture
intra-oral scans, automatically. automated tooth identification, frame precisely. It could
The new automatic RPD design digitisation of RPD design potentially improve the
system aims to reduce the and RPD voxelisation, the efficiency of denture production,
time spent on denture SmartRPD software will enhance the quality of treatment
production, improve the automatically process teeth and patient experience, and
throughout of the denture configurations and generate reduce cost.
NDCS/NDRIS Stakeholders
Dr Yu Na
Dr Seetoh Yoong Liang Clinician Scientist &
Head & Senior Consultant Principal Investigator
Prosthodontic Unit Senior Dental Surgeon
Department of Restorative Prosthodontics Unit
Dentistry, NDCS Department of Restorative Dentistry,
NDCS
Partners: Temasek Holdings (Funder) A*STAR (Partner) ST Engineering (Partner)
PanoShield: Face shields that offer panoramic protection
Enhancing safety for healthcare workers
C
linicians who perform The PanoShield is developed with the aims of enhancing
aerosol-generating peripheral protection, being compatible with essential
procedures are supporting devices required by various clinical sub-specialties,
recommended to don Personal and improving the user’s comfort level.
Protective Equipment (PPE)
including gloves, protective It can be worn over existing PPE, is universally fitting, comfortable
outerwear, a face shield, and and secure for long hours, has anti-fogging properties and is
N95 masks, to prevent direct easily scalable for manufacturing.
deposition of respiratory
droplets on their faces. Adjustable size
However, it was found that Flexible
coverage
there are protection gaps
despite such PPE measures –
ineffective protection against
fine respiratory droplets/
aerosols, inadequate periphery Anti-fog
coating
protection, obtrusive operational
constraint, and doffing risks.
NDCS/NDRIS Stakeholders
Dr Yu Na
Clinician Scientist & Dr Constance Teo Ee Hoon
Principal Investigator Senior Consultant, Department of
Senior Dental Surgeon Otorhinolaryngology – Head and Neck
Prosthodontics Unit Surgery, SGH Head, SingHealth
Department of Restorative Dentistry, Duke-NUS Head and Neck Centre
NDCS
Partners: SingHealth Medical Technology Office (SingHealth MTO)
Oral Health Newsbites | Issue 1 May 2022 3
RESEARCH
The link between periodontitis and
risk of gestational diabetes
Congratulations to Dr Preethi Prajod, who was awarded
the NMRC Clinician Scientist Individual Research Grant -
New Investigator Grant (CNIG) in 2020.
F
or the past few years, Dr Preethi has been treating periodontal
working on the functional attributes of disease before and during
microbiota and immune responses at the pregnancy may reduce
intersection of oral-systemic health. Backed maternal and perinatal
with this funding, her research study would morbidity associated with GDM and
examine the prospective association between prevent type 2 diabetes after pregnancy.
periodontitis and the risk of Gestational
Most women do not seek oral health care during
Diabetes Mellitus (GDM) in pregnant women.
pregnancy despite evidence that poor oral
One in every five pregnant women in Singapore
health can adversely impact the health of a
have been observed to develop GDM. Women pregnant woman and her child. Concern about
with GDM are at increased risk for foetal and the safety of dental services during pregnancy
maternal complications and are also associated restrict their visit to clinics. The strategy to
with about seven-fold increased risk for change the perception of pregnant women is
developing type 2 diabetes mellitus in later life. to include dental health education as an integral
part of prenatal health care. To potentiate
Periodontitis is treatable. If periodontal disease general health and well-being, women should
is confirmed as a risk factor for GDM through routinely be counselled about the safety
this initiative, it will open doors to intervention and maintenance of good oral health habits
studies to prevent GDM. Improving oral health and throughout their pregnancy.
NDCS/NDRIS Stakeholders
A/Prof Chaminda
Dr Preethi Prajod Jayampath
Research Fellow, Seneviratne
ORH ACP NDRIS Adjunct Professor
NDCS
Partners: KK Women’s and Children’s Hospital (KKH) Academic Center for Dentistry Amsterdam (ACTA)
4 Issue 1 May 2022 | Oral Health Newsbites
RESEARCH
A counterfactual approach on t he effect of
metabolic s yndrome on tooth loss:
a population-based study
The link between oral This analysis was based on
and general health is by data from a cohort study
(2009–2014) with adults aged
default bidirectional, which 20+ from Southern Brazil. MetS
makes the establishment (exposure), lack of functional
of causality a core issue in dentition and number of
health research. Prof Marco lost teeth (outcomes) were
assessed using self-reported,
Peres’ and his team’s findings, lab and clinical data. Possible
based on cutting-edge confounders included sex, age, weights (a counterfactual
epidemiological tools, provide family income, educational analytical method) was also
level, smoking status and sugar used to enhance group
evidence on the effect of comparability and estimate
consumption. The effect of MetS
Metabolic Syndrome (MetS) on the outcomes was estimated causal effects. Data imputation
on tooth loss. using conventional logistic or was used to deal with missing
negative binomial regression values. E-value was used to
MetS and tooth loss are prevalent assess the effect of unmeasured
models. Marginal structural
conditions that negatively confouders.
modeling (MSM) with stabilized
affect health and quality of life,
increases the cost of health
care systems, and exacerbates 1,283 participants had available information for the outcomes.
social problems and inequalities. Individuals with MetS were more likely to experience a lack of
Even though some studies have functional dentition than those without MetS [odds ratio (OR)
addressed the association from logistic regression 1.7, 95% CI 1.0-2.9; OR from MSM 3.2, 95%
between MetS and tooth loss, the CI 2.3-4.6]. Moreover, the number of teeth lost was 20% higher
investigation of this relationship in participants with MetS compared to those without MetS in
using an appropriate statistical conventional analysis (mean ratio [MR] 1.2, 95% CI 1.1- 1.3). The
approach and a representative MR increased to 1.7 (95% CI 1.5-2.0) when using MSM.
sample of the population remains
unexplored in the literature.
This study aimed to investigate Direct acyclic graphic for the • Smoking
the effect of MetS on tooth loss effect of MetS on theoccurrence Status
• Sugar
in a population-based sample. It of tooth loss. Consumption
• Sex
was hypothesised that MetS has • Age
an effect on tooth loss. Studying Exposure: Metabolic Syndrome • Income
• Educational Level • Tooth Loss
this topic is essential to inform the Confounding factors: Sex,
best strategies to prevent tooth Age, Income, Educational
loss in populations with MetS and Level, Smoking Status, Sugar
• Metabolic
to encourage public policies that Consumption Syndrome
approach common risk factors to Outcome: Tooth Loss
oral and general health.
NDCS/NDRIS Stakeholders
Marco A. Peres Karen G. Peres
Supervisor, Co-supervisor,
NDRIS/NDCS, NDRIS/NDCS,
Duke-NUS Duke-NUS
Partners:
This study is part of Marina Leite Souza Gustavo G. Nascimento David A. Gonzalez Chica
the PhD thesis of (PhD student, UFSC, Brazil); (collaborator, Aarhus University, Denmark); (collaborator, University of Adelaide, Australia)
Oral Health Newsbites | Issue 1 May 2022 5
EDUCATION
Education Day The ORH ACP Excellence in Teaching Awards were conferred to:
2021 andORH
ACP Excellence AUXILIARY
in Teaching PROGRAMME
Awards
Dr Quek Heng Chuan
Senior Consultant,
Prosthodontic Unit,
Department of
Since 2015, Education Day
Restorative Dentistry
is an annual event held
to commemorate our
educators and learners.
NDCS’s Education Day was
held on 8 September last
year, and comprised of a
lunchtime talk by Dr Song Yi
POST-GRADUATE
Lin, Consultant, Department
of Orthodontics, as well as Dr Bien Lai
the ORH ACP Excellence in Head and Senior
Teaching Awards. Consultant,
Paediatric Dentistry
Dr Song’s talk – The Science Unit,Department of
of Learning – delved into Restorative Dentistry
methods to optimise the
learning process, make it
easier to learn, remember,
and apply knowledge.
The event was followed by a virtual Faculty Development Workshop, titled “Introduction to Team
Based Learning Pedagogy”. It was facilitated by Dr Foo Lean Heong, Consultant, Periodontic Unit,
Department of Restorative Dentistry, and Dr Chan Pei Yuan, Consultant, Endodontic Unit, Department
of Restorative Dentistry.
6 Issue 1 May 2022 | Oral Health Newsbites
FY21 Grant and Award Recipients
FY2021 Grants and Recipients
Grant Recipient
GLOBICS: The Global consortium of Oral health-related
A/Prof Karen Peres
Birth Cohort Studies
Temasek Foundation Public Health Innovations Grant Dr Yu Na
A*STAR Industry Alignment Fund - Industry Collaboration
Cl A/Prof Goh Bee Tin
Projects (IAF-ICP)
Clinicial Scientist Award Dr Yu Na
FY2021 Awards and Recipients
Award Recipient
Duke-NUS Hall of Master Academic Clinicians 2022 Cl A/Prof Goh Bee Tin
SingHealth Publish! Award 2021 A/Prof Jaya Seneviratne
Singapore Health Quality Service Award Cl A/Prof Chew Ming Tak
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about NDCS research publications.
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7 Issue 1 May 2022 | Oral Health Newsbites
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