Use of PowerPoint presentation as a teaching tool for undergraduate students in the subject of gerodontology
Identifieur interne : 000715 ( Pmc/Corpus ); précédent : 000714; suivant : 000716Use of PowerPoint presentation as a teaching tool for undergraduate students in the subject of gerodontology
Auteurs : Kamal Shigli ; Neha Agrawal ; Chandrasekharan Nair ; Suresh Sajjan ; Pradnya Kakodkar ; Mamata HebbalSource :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2016.
Abstract
Though different teaching learning media have been employed in the instruction of geriatric dentistry, their efficacy has not been adequately evaluated. This study was conducted with the aim to determine the efficacy of a PowerPoint presentation in teaching gerodontology.
This is a prospective follow-up study using a pre- and post-intervention assessment. A pilot study was conducted on the final year students to check the feasibility of the study. A convenience sampling procedure was used. All interns (
A statistically significant difference was observed in pre- and post-intervention scores (
The results of this study indicated that PowerPoint presentation can be used as an effective tool for improving the knowledge regarding gerodontology.
Url:
DOI: 10.4103/0972-4052.167940
PubMed: 27141170
PubMed Central: 4837778
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Use of PowerPoint presentation as a teaching tool for undergraduate students in the subject of gerodontology</title><author><name sortKey="Shigli, Kamal" sort="Shigli, Kamal" uniqKey="Shigli K" first="Kamal" last="Shigli">Kamal Shigli</name><affiliation><nlm:aff id="aff1">Department of Prosthodontics, Bharati Vidyapeeth Deemed University Dental College and Hospital, Sangli, Maharashtra, India</nlm:aff></affiliation></author><author><name sortKey="Agrawal, Neha" sort="Agrawal, Neha" uniqKey="Agrawal N" first="Neha" last="Agrawal">Neha Agrawal</name><affiliation><nlm:aff id="aff2">Department of Periodontics and Community Dentistry, Dr. Z A Dental College, AMU, Aligarh, Uttar Pradesh, India</nlm:aff></affiliation></author><author><name sortKey="Nair, Chandrasekharan" sort="Nair, Chandrasekharan" uniqKey="Nair C" first="Chandrasekharan" last="Nair">Chandrasekharan Nair</name><affiliation><nlm:aff id="aff3">Department of Prosthodontics, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India</nlm:aff></affiliation></author><author><name sortKey="Sajjan, Suresh" sort="Sajjan, Suresh" uniqKey="Sajjan S" first="Suresh" last="Sajjan">Suresh Sajjan</name><affiliation><nlm:aff id="aff4">Department of Prosthodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India</nlm:aff></affiliation></author><author><name sortKey="Kakodkar, Pradnya" sort="Kakodkar, Pradnya" uniqKey="Kakodkar P" first="Pradnya" last="Kakodkar">Pradnya Kakodkar</name><affiliation><nlm:aff id="aff5">Department of Public Health Dentistry, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India</nlm:aff></affiliation></author><author><name sortKey="Hebbal, Mamata" sort="Hebbal, Mamata" uniqKey="Hebbal M" first="Mamata" last="Hebbal">Mamata Hebbal</name><affiliation><nlm:aff id="aff6">Department of Preventive and Community Dentistry, K.L.E.V.K. Institute of Dental Sciences, Belgaum, Karnataka, India</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27141170</idno><idno type="pmc">4837778</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4837778</idno><idno type="RBID">PMC:4837778</idno><idno type="doi">10.4103/0972-4052.167940</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000715</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000715</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Use of PowerPoint presentation as a teaching tool for undergraduate students in the subject of gerodontology</title><author><name sortKey="Shigli, Kamal" sort="Shigli, Kamal" uniqKey="Shigli K" first="Kamal" last="Shigli">Kamal Shigli</name><affiliation><nlm:aff id="aff1">Department of Prosthodontics, Bharati Vidyapeeth Deemed University Dental College and Hospital, Sangli, Maharashtra, India</nlm:aff></affiliation></author><author><name sortKey="Agrawal, Neha" sort="Agrawal, Neha" uniqKey="Agrawal N" first="Neha" last="Agrawal">Neha Agrawal</name><affiliation><nlm:aff id="aff2">Department of Periodontics and Community Dentistry, Dr. Z A Dental College, AMU, Aligarh, Uttar Pradesh, India</nlm:aff></affiliation></author><author><name sortKey="Nair, Chandrasekharan" sort="Nair, Chandrasekharan" uniqKey="Nair C" first="Chandrasekharan" last="Nair">Chandrasekharan Nair</name><affiliation><nlm:aff id="aff3">Department of Prosthodontics, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India</nlm:aff></affiliation></author><author><name sortKey="Sajjan, Suresh" sort="Sajjan, Suresh" uniqKey="Sajjan S" first="Suresh" last="Sajjan">Suresh Sajjan</name><affiliation><nlm:aff id="aff4">Department of Prosthodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India</nlm:aff></affiliation></author><author><name sortKey="Kakodkar, Pradnya" sort="Kakodkar, Pradnya" uniqKey="Kakodkar P" first="Pradnya" last="Kakodkar">Pradnya Kakodkar</name><affiliation><nlm:aff id="aff5">Department of Public Health Dentistry, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India</nlm:aff></affiliation></author><author><name sortKey="Hebbal, Mamata" sort="Hebbal, Mamata" uniqKey="Hebbal M" first="Mamata" last="Hebbal">Mamata Hebbal</name><affiliation><nlm:aff id="aff6">Department of Preventive and Community Dentistry, K.L.E.V.K. Institute of Dental Sciences, Belgaum, Karnataka, India</nlm:aff></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aim:</title><p>Though different teaching learning media have been employed in the instruction of geriatric dentistry, their efficacy has not been adequately evaluated. This study was conducted with the aim to determine the efficacy of a PowerPoint presentation in teaching gerodontology.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>This is a prospective follow-up study using a pre- and post-intervention assessment. A pilot study was conducted on the final year students to check the feasibility of the study. A convenience sampling procedure was used. All interns (<italic>n</italic> = 80) of the Modern Dental College and Research Centre, Indore, India were invited to participate. Interns completed a 24-item questionnaire documenting their current knowledge on gerodontology. One week after a 30 min PowerPoint presentation on gerodontology, the same interns completed the same questionnaire again, providing an indication of the efficacy of the learning tool. Paired <italic>t</italic>-test and McNemar test were employed for statistical analysis.</p></sec><sec id="st3"><title>Results:</title><p>A statistically significant difference was observed in pre- and post-intervention scores (<italic>P</italic> < 0.05).</p></sec><sec id="st4"><title>Conclusion:</title><p>The results of this study indicated that PowerPoint presentation can be used as an effective tool for improving the knowledge regarding gerodontology.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Shah, N" uniqKey="Shah N">N Shah</name></author><author><name sortKey="Parkash, H" uniqKey="Parkash H">H Parkash</name></author><author><name sortKey="Sunderam, Kr" uniqKey="Sunderam K">KR Sunderam</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Shah, N" uniqKey="Shah N">N Shah</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Nadig, 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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Indian Prosthodont Soc</journal-id><journal-id journal-id-type="iso-abbrev">J Indian Prosthodont Soc</journal-id><journal-id journal-id-type="publisher-id">JIPS</journal-id><journal-title-group><journal-title>The Journal of the Indian Prosthodontic Society</journal-title></journal-title-group><issn pub-type="ppub">0972-4052</issn><issn pub-type="epub">1998-4057</issn><publisher><publisher-name>Medknow Publications & Media Pvt Ltd</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27141170</article-id><article-id pub-id-type="pmc">4837778</article-id><article-id pub-id-type="publisher-id">JIPS-16-187</article-id><article-id pub-id-type="doi">10.4103/0972-4052.167940</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Use of PowerPoint presentation as a teaching tool for undergraduate students in the subject of gerodontology</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Shigli</surname><given-names>Kamal</given-names></name><xref ref-type="aff" rid="aff1"></xref><xref ref-type="corresp" rid="cor1"></xref></contrib><contrib contrib-type="author"><name><surname>Agrawal</surname><given-names>Neha</given-names></name><xref ref-type="aff" rid="aff2">1</xref></contrib><contrib contrib-type="author"><name><surname>Nair</surname><given-names>Chandrasekharan</given-names></name><xref ref-type="aff" rid="aff3">2</xref></contrib><contrib contrib-type="author"><name><surname>Sajjan</surname><given-names>Suresh</given-names></name><xref ref-type="aff" rid="aff4">3</xref></contrib><contrib contrib-type="author"><name><surname>Kakodkar</surname><given-names>Pradnya</given-names></name><xref ref-type="aff" rid="aff5">4</xref></contrib><contrib contrib-type="author"><name><surname>Hebbal</surname><given-names>Mamata</given-names></name><xref ref-type="aff" rid="aff6">5</xref></contrib></contrib-group><aff id="aff1">Department of Prosthodontics, Bharati Vidyapeeth Deemed University Dental College and Hospital, Sangli, Maharashtra, India</aff><aff id="aff2"><label>1</label>Department of Periodontics and Community Dentistry, Dr. Z A Dental College, AMU, Aligarh, Uttar Pradesh, India</aff><aff id="aff3"><label>2</label>Department of Prosthodontics, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India</aff><aff id="aff4"><label>3</label>Department of Prosthodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India</aff><aff id="aff5"><label>4</label>Department of Public Health Dentistry, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India</aff><aff id="aff6"><label>5</label>Department of Preventive and Community Dentistry, K.L.E.V.K. Institute of Dental Sciences, Belgaum, Karnataka, India</aff><author-notes><corresp id="cor1"><bold>Address for correspondence:</bold> Dr. Kamal Shigli, B-4, Staff Quarters, Bharati Vidyapeeth Deemed University Dental College and Hospital, Sangli-Miraj Road, Wanlesswadi, Sangli - 416 414, Maharashtra, India. E-mail: <email xlink:href="kamalshigli@yahoo.co.in">kamalshigli@yahoo.co.in</email></corresp></author-notes><pub-date pub-type="ppub"><season>Apr-Jun</season><year>2016</year></pub-date><volume>16</volume><issue>2</issue><fpage>187</fpage><lpage>192</lpage><history><date date-type="received"><day>23</day><month>7</month><year>2015</year></date><date date-type="accepted"><day>18</day><month>9</month><year>2015</year></date></history><permissions><copyright-statement>Copyright: © The Journal of Indian Prosthodontic Society</copyright-statement><copyright-year>2016</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-sa/3.0"><license-p>This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.</license-p></license></permissions><abstract><sec id="st1"><title>Aim:</title><p>Though different teaching learning media have been employed in the instruction of geriatric dentistry, their efficacy has not been adequately evaluated. This study was conducted with the aim to determine the efficacy of a PowerPoint presentation in teaching gerodontology.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>This is a prospective follow-up study using a pre- and post-intervention assessment. A pilot study was conducted on the final year students to check the feasibility of the study. A convenience sampling procedure was used. All interns (<italic>n</italic> = 80) of the Modern Dental College and Research Centre, Indore, India were invited to participate. Interns completed a 24-item questionnaire documenting their current knowledge on gerodontology. One week after a 30 min PowerPoint presentation on gerodontology, the same interns completed the same questionnaire again, providing an indication of the efficacy of the learning tool. Paired <italic>t</italic>-test and McNemar test were employed for statistical analysis.</p></sec><sec id="st3"><title>Results:</title><p>A statistically significant difference was observed in pre- and post-intervention scores (<italic>P</italic> < 0.05).</p></sec><sec id="st4"><title>Conclusion:</title><p>The results of this study indicated that PowerPoint presentation can be used as an effective tool for improving the knowledge regarding gerodontology.</p></sec></abstract><kwd-group><kwd>Gerodontology</kwd><kwd>PowerPoint presentation</kwd><kwd>teaching/learning tools</kwd></kwd-group></article-meta></front><body><sec sec-type="intro" id="sec1-1"><title>INTRODUCTION</title><p>The population of senior citizens (60 and above) in India is increasing. India harbors 77 million senior citizens, comprising 7.7% of its total population.[<xref rid="ref1" ref-type="bibr">1</xref>] Growth rate of elderly is higher than that of the general population.[<xref rid="ref2" ref-type="bibr">2</xref>] The gray population which accounted for 6.7% of total population in 1991 is expected to increase its share to more than 10% by the year 2021.[<xref rid="ref3" ref-type="bibr">3</xref>] This improved life expectancy is as a result of greater health awareness, accessibility, affordability, and acceptability of improved medical care.[<xref rid="ref4" ref-type="bibr">4</xref>] The alteration of the age pyramid poses significant new challenges for health care professionals in the 21<sup>st</sup> century to provide oral health care facilities to the geriatric population.[<xref rid="ref5" ref-type="bibr">5</xref><xref rid="ref6" ref-type="bibr">6</xref>] Poor oral health can have a significant impact on the quality of life and that might lead to deterioration of general health.[<xref rid="ref7" ref-type="bibr">7</xref><xref rid="ref8" ref-type="bibr">8</xref><xref rid="ref9" ref-type="bibr">9</xref><xref rid="ref10" ref-type="bibr">10</xref><xref rid="ref11" ref-type="bibr">11</xref><xref rid="ref12" ref-type="bibr">12</xref><xref rid="ref13" ref-type="bibr">13</xref>] The importance of the subject of gerodontology does not reflect in the undergraduate curriculum of dentistry.[<xref rid="ref11" ref-type="bibr">11</xref><xref rid="ref14" ref-type="bibr">14</xref><xref rid="ref15" ref-type="bibr">15</xref>] Normally all the universities in India follow the curriculum designed by the Dental Council of India. There is lack of training and the basic aspects of geriatric dentistry are not included in the curriculum.[<xref rid="ref16" ref-type="bibr">16</xref>] The provision to learn about geriatric patient is mentioned only as a part of complete denture prosthodontics in diagnosis and treatment planning chapter.[<xref rid="ref17" ref-type="bibr">17</xref>] The graduates after completion are likely to have less knowledge about the problems of geriatric patients. Dentists need to understand the socioeconomic, physical, and psychological problems, and the complexity in treating the elderly patients.[<xref rid="ref16" ref-type="bibr">16</xref>] With often more than one chronic disease affecting individuals and polypharmacy, there is a need to increase overall knowledge of geriatric pharmacy and geriatric medicine to enhance the quality of life of the elderly which is a social responsibility.[<xref rid="ref6" ref-type="bibr">6</xref><xref rid="ref18" ref-type="bibr">18</xref><xref rid="ref19" ref-type="bibr">19</xref><xref rid="ref20" ref-type="bibr">20</xref><xref rid="ref21" ref-type="bibr">21</xref>]</p><p>Among the teaching and learning methods employed in dental education, audio visual media are the most popular. These media provide a multisensory experience.[<xref rid="ref5" ref-type="bibr">5</xref>] The different senses tend to play a key role in improving the memory of the student who can easily remember the content that is presented.[<xref rid="ref22" ref-type="bibr">22</xref>] Efficacy of different media in the teaching and learning process of a specific subject of dentistry is not well-documented. Therefore, this study was undertaken to determine the efficacy of a PowerPoint presentation in teaching gerodontology to the dental interns.</p></sec><sec sec-type="materials|methods" id="sec1-2"><title>MATERIALS AND METHODS</title><p>This is a prospective follow-up study using a pre- and post-intervention assessment. Ethical clearance was obtained from the institute to conduct the study. The duration of the study was from July 2012 to October 2012. A pilot study was conducted among 15 final year BDS students to find out the feasibility of the study and the questionnaire used was modified accordingly. A convenience sampling procedure was used. The study center was the Modern Dental College and Research Centre, Indore, India. All dental interns (<italic>n</italic> = 80) of 2012 batch were invited to participate in the study. Inclusion allowed for both genders, and all ages of interns. There was no exclusion criterion, besides unwillingness to participate. Written consent to participate in the study was taken.</p><p>The study instrument used was a 24-item structured self-administered closed-ended questionnaire (options comprised of combination of multiple-choice true/false questions and single best answer questions) that was based on four domains measuring familiarity with geriatric dentistry and prior experience with “learning or teaching tools” (6 items); knowledge of characteristics of older people (7 items); knowledge of care provision (8 items); and barriers to and neglect of care provision (3 items). The questionnaire was adopted from Teasdale and Shaikh.[<xref rid="ref23" ref-type="bibr">23</xref>] and modified to suit the Indian context.</p><p>All the interns were assembled in a classroom and were briefed about the study. They were asked to complete a preintervention questionnaire which took approximately 10 min. Afterward single investigator gave a 30 min PowerPoint presentation (Microsoft Office 2007) on gerodontology. The PowerPoint presentation comprised of information on educational tools, an introduction to ageing, effects of ageing on oral and systemic health, effects of systemic conditions on oral health of elderly population, oral side effects of medications, care provision, and challenges and barriers of geriatric oral health care. One week after the PowerPoint presentation, the same interns were recalled and requested to complete the same questionnaire again. Questionnaires were coded allowing paired analysis of alteration in the scores. Each “correct” answer to a question was awarded one point while an “incorrect” response was given zero. Questions that were not answered were given zero points. Questionnaires with overwriting were disqualified for analysis. The Statistical Package for the Social Sciences version 17.0 (SPSS Inc., Chicago, Illinois, USA) was used for all data analysis. Paired <italic>t</italic>-test was employed to find out the difference in overall scores that occurred before and after the lecture. McNemar test was used to find the improvement in correct answers for individual questions.</p></sec><sec sec-type="results" id="sec1-3"><title>RESULTS</title><p>Out of the 80 interns, 61 (76%) completed the preintervention assessment form and 56 interns (92% of those who answered the pretest) completed the postintervention assessment form, more female than male respondents.</p><p>In the questions on general characteristics comprising of the geriatric age and the number of people in the 60-plus age group in India in 2013 the percentage of correct answers increased 1 week after the presentation. Regarding the question related to efficient learning or teaching tool there was no change [<xref ref-type="table" rid="T1">Table 1a</xref>].</p><table-wrap id="T1" position="float"><label>Table 1a</label><caption><p>Comparison between pre- and post-PowerPoint presentation results regarding domain 1 (“general characteristics of older people”)</p></caption><graphic xlink:href="JIPS-16-187-g001"></graphic></table-wrap><p>In the question on rating oneself in terms of familiarity with gerodontology a substantial increase of those who considered “it had increased a lot” was found. Three quarters of the respondents agreed “a lot” to include gerodontology in the dental school curriculum after the PowerPoint presentation compared to only one-third before the test. No great changes were seen regarding the extent of training/experience including older patients after the test [<xref ref-type="table" rid="T2">Table 1b</xref>].</p><table-wrap id="T2" position="float"><label>Table 1b</label><caption><p>Comparison between pre- and post-PowerPoint presentation results regarding domain 1 (“general characteristics of older people”)</p></caption><graphic xlink:href="JIPS-16-187-g002"></graphic></table-wrap><p>In the seven statements, 7–13, the posttest correct values improved for five questions [<xref ref-type="table" rid="T3">Table 2</xref>]. Among questions 14–21, the posttest correct values enhanced significantly in seven of the questions [<xref ref-type="table" rid="T4">Table 3</xref>].</p><table-wrap id="T3" position="float"><label>Table 2</label><caption><p>Comparison between pre- and post-PowerPoint presentation results regarding domain 2 (“knowledge of characteristics of older people”)</p></caption><graphic xlink:href="JIPS-16-187-g003"></graphic></table-wrap><table-wrap id="T4" position="float"><label>Table 3</label><caption><p>Comparison between pre- and post-PowerPoint presentation results regarding domain 3 (“knowledge of care provision”)</p></caption><graphic xlink:href="JIPS-16-187-g004"></graphic></table-wrap><p>In the seven statements 22–24 the posttest correct values improved significantly in three of them, whereas no significant change occurred for the other statements [<xref ref-type="table" rid="T5">Table 4</xref>].</p><table-wrap id="T5" position="float"><label>Table 4</label><caption><p>Comparison between pre- and post-PowerPoint presentation results regarding domain 4 (“barriers to and neglect of care provision”)</p></caption><graphic xlink:href="JIPS-16-187-g005"></graphic></table-wrap><p>The overall mean scores before the lecture were 18.5 ± 2.7, whereas the mean score posttest increased to 24.9 ± 1.9 showing a mean increase in score by 6.4 ± 2.8. This difference was found to be statistically highly significant [<xref ref-type="table" rid="T6">Table 5</xref>].</p><table-wrap id="T6" position="float"><label>Table 5</label><caption><p>Overall comparison between pre- and post-PowerPoint presentation results</p></caption><graphic xlink:href="JIPS-16-187-g006"></graphic></table-wrap><p>The percentage of correct answers before and after the lecture for “knowledge of characteristics of older people” was 68.6% and 87.5%; for “knowledge of care provision” the percentage improved from 60.2% to 87.9% and for “barriers to and neglect of care provision” the percentage increased from 82.4% to 92.1%. In all the domains, there was an increase in percentage of correct answers after the lecture.</p></sec><sec sec-type="discussion" id="sec1-4"><title>DISCUSSION</title><p>The knowledge of the teacher alone is not sufficient to make the students understand the subject. The presentation of the lecture also plays an important role. In addition to the traditional “chalk and talk” method, use of PowerPoint presentation (PP) is increasing.[<xref rid="ref24" ref-type="bibr">24</xref>]</p><p>The increase in the population of aged individuals makes it relevant to include gerodontology in the dental curriculum. During the undergraduate dental education programme gerodontology is not given much importance although the student is expected to treat the elderly. Therefore, this study was undertaken to determine the efficiency of PowerPoint presentation in teaching gerodontology.</p><p>When the first domain related to “general characteristics of older people” was considered 1 week after the presentation, all the graduates answered that the geriatric population includes 60 years and older individuals. 85.7% of graduates correctly answered that the number of people in the 60-plus age group in India is expected to increase to 100 million in 2013. 94.6% of the graduates rated audio visual aids as effective before the presentation. Graduates found themselves more familiar with gerodontology 1 week after the presentation. There was an appreciable increase in the number of graduates who felt that gerodontology should be a part of the dental school curriculum. The results of our study are in agreement with Shah;[<xref rid="ref11" ref-type="bibr">11</xref><xref rid="ref18" ref-type="bibr">18</xref>] Kalk <italic>et al</italic>.[<xref rid="ref14" ref-type="bibr">14</xref>] and Talwar and Chawla.[<xref rid="ref15" ref-type="bibr">15</xref>] A slight decrease in percentage was observed for extent of experience in treating older patients which could be due to the realization of their insufficient knowledge and experience after the presentation. These findings are similar to those reported by Shah[<xref rid="ref2" ref-type="bibr">2</xref>] that there is little emphasis on practical training of elderly in undergraduate dental curriculum in India.</p><p>When the second domain “knowledge of characteristics of older people” was assessed 58.9% of the graduates knew that tooth loss is not an inevitable part of ageing. Awareness that elderly experience more injuries in the home improved among 85.7% of the graduates. Knowledge that the poverty rate of older people is higher improved in 83.9% of the graduates. The percentage of correct answers increased among 96.4% of the graduates when the responses were assessed for parents having problems adjusting to their “empty nest.” One week after the presentation, 76.8% of the graduates knew that the edentulous older people when compared to dentate older people have a higher mortality rate. 85.7% of the graduates had prior knowledge that older persons who reduce their activities are not happier than those who remain active. This prior knowledge could be attributed to observation among grandparents or relatives.</p><p>On assessing the third domain “knowledge of care provision” all graduates could answer regarding the aids used for oral health assessment of an older patient. 75% of correct answers were obtained for dental infections impact on the treatment of medical conditions. 96.4% correct scores were obtained for means to relieve denture problems. 94.6% scores were acquired for including use of fluoride gel and fluoride dentifrice in dentate older patients. Oral candidiasis secondary to use of corticosteroids and hyposalivation secondary to antihistamine therapy also showed 98.2% and 96.4% correct answers posttest. The PowerPoint presentation helped 78.6% of the graduates to understand that the prognosis of implant-supported restorations is as good in older as in young adults. 89.3% and 96.4% of the graduates were aware that it is important for an oral health care provider to know about the medications an older patient is taking and gingival hyperplasia secondary to dilantin therapy before the presentation. This awareness could be attributed to the similar finding among young adults.</p><p>When the last domain “barriers to and neglect of care provision” was assessed it was found that all the interns (100%) knew the various barriers to oral health care provision and the predisposing factors related to opportunistic infection of <italic>Candida albicans</italic>. 96.4% graduates knew the consequences of neglect of oral health. All graduates knew that periodontal disease may be caused by neglect of oral health. This awareness may be as these sequelae are commonly observed.</p><p>There was an overall increase in the posttest scores 1 week after the presentation. The results of our study are in agreement with Teasdale and Shaikh.[<xref rid="ref23" ref-type="bibr">23</xref>] who also reported significant improvement in test scores after use of a compact disc based educational tool. According to a study conducted by Parolia <italic>et al</italic>.[<xref rid="ref25" ref-type="bibr">25</xref>] the use of diagrams and symbolic devices such as graphs, flow charts, and arrows help students to understand the topic better.</p><p>An overall comparison of all the domains revealed an improvement in knowledge in each of them which could be attributed to the use of audio visual aids. The results support Mayer's cognitive theory of multimedia learning[<xref rid="ref26" ref-type="bibr">26</xref>] according to which when learning we place relevant words into auditory working memory and relevant images into visual working memory. This information is then integrated as one along with the prior knowledge.</p><p>The least preintervention scores were obtained for the domain “knowledge of care provision” which may be due to gerodontology not being given sufficient importance in the undergraduate curriculum. This finding is similar to that reported by Shah[<xref rid="ref11" ref-type="bibr">11</xref>] that there is no orientation of dental graduates toward the special needs of the geriatric.</p><p>Limitations of the study were small sample size; limited time gap between pre- and post-test and between the lecture and the posttest (where a longer gap would help assess longer-term retention of knowledge). The same questions were given in the pre- and post-tests, so students might have had the opportunity to look up answers from another source other than the PowerPoint before the posttest. If so the PowerPoint presentation had an additional advantage of stimulating the interest of the students. Therefore, the results may be biased toward finding a greater effectiveness of PowerPoint than there actually is.</p><p>In this study, PowerPoint presentation proved to be an effective tool for teaching. In other instances alternative techniques may be effective, so it is best to test these before implementation.</p><p>We can employ different teaching techniques and modify them regularly to break monotony and to incorporate best out of each.[<xref rid="ref27" ref-type="bibr">27</xref>]</p><sec id="sec2-1"><title>Financial support and sponsorship</title><p>Nil.</p></sec><sec id="sec2-2"><title>Conflicts of interest</title><p>There are no conflicts of interest.</p></sec></sec></body><back><ack><title>Acknowledgments</title><p>The authors would like to acknowledge Dr. Gunnar Carlsson and Dr. Cees de Baat for inputs in preparing the questionnaire; Dr. Saran Shantikumar and Dr. Gouri Anehosur for inputs in the manuscript and Dr. Vikneshan M, Department of Public Health Dentistry for conducting the statistical analysis.</p></ack><ref-list><title>REFERENCES</title><ref id="ref1"><label>1</label><element-citation publication-type="journal"><person-group 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