<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2215-3411</journal-id>
<journal-title><![CDATA[Odovtos International Journal of Dental Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Odovtos]]></abbrev-journal-title>
<issn>2215-3411</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Odontología. Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-34112025000200165</article-id>
<article-id pub-id-type="doi">10.15517/ijds.2025.64222</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of 0.2% chlorhexidine gel in the management of postoperative pain after pre-prosthetic surgery: pilot study]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto del gel de clorhexidina al 0.2% en el manejo del dolor postoperatorio después de una cirugía pre-protésica: estudio piloto]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcín-Montero]]></surname>
<given-names><![CDATA[Claudina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Aguilar]]></surname>
<given-names><![CDATA[Víctor M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Bolio]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mena-Porras]]></surname>
<given-names><![CDATA[Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pozos-Guillén]]></surname>
<given-names><![CDATA[Amaury]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Larios-Cervantes]]></surname>
<given-names><![CDATA[Alexis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chavarría-Bolaños]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Odontología Maestria en Periodoncia e Implantología Dental]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica Facultad de Odontología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Facultad de Estomatología Laboratorio de Ciencias Básicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>27</volume>
<numero>2</numero>
<fpage>165</fpage>
<lpage>175</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-34112025000200165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-34112025000200165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-34112025000200165&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Pre-prosthetic surgical procedures such as clinical crown lengthening (CLS), can cause pain, discomfort, and postoperative inflammation; causing the need of the prescription of medications such as analgesic, anti-inflammatories and in certain cases systemic antibiotics. However, prolonged and indiscriminate use of these medications often leads to adverse effects on general health. Thus, the ideal to treat locally pain and inflammation, and to prevent local infection is promising. The objective of this preliminary study was to evaluate the controlled use of a local chlorhexidine gel (CHXg) immediately place after pre-prosthetic periodontal surgery to manage postoperative pain using a customized whitening trays. A randomized controlled double-blind parallel-group clinical pilot trial was conducted. A sample of 10 patients aged 18 to 60 years, requiring a crown lengthening procedure was selected. Two groups (Group A: 0.2% CHXg vs Group B: placebo gel). Pain scores were evaluated by using a visual analog scale (VAS), and side effects and poswas 3.32 for Group A and 4.85 for Group B (p=0.05), with Results showing no statistically significant difference. Few studies have assessed the effect and influence of 0.2% CHX gel on postoperative pain control. Some reports suggest that intra-alveolar use of CHX gel is more effective than administering 10 mg of ketorolac alone. In this study, there were no statistically significant differences, indicating that the use of 0.2% CHX gel applied after pre-prosthetic surgery may not significantly reduce postoperative pain.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los procedimientos quirúrgicos preprotésicos, como el alargamiento clínico de la corona (ACC), pueden causar dolor, malestar e inflamación posoperatoria, lo que requiere la prescripción de medicamentos. Sin embargo, el uso prolongado e indiscriminado de estos medicamentos suele provocar efectos adversos en la salud general. El objetivo de este estudio es evaluar un sistema local de liberación controlada que utiliza gel de clorhexidina (CHX) posterior a cirugías preprotesicas periodontales para controlar el dolor posoperatorio, en comparación con un grupo de placebo. Se realizó un ensayo clínico aleatorizado, controlado, doble ciego, de grupos paralelos con múltiples dosis. Se seleccionó una muestra de 10 pacientes, con edades entre 18 y 60 años, que requerían un procedimiento de alargamiento de corona. Se formaron dos grupos: el grupo A recibió gel de clorhexidina (CHX) al 0,2% y el grupo B recibió un placebo. La puntuación media de la escala visual analógica (EVA) (en mm) fue de 3,32 para el grupo A y de 4,85 para el grupo B (p=0,05), y los resultados no mostraron diferencias estadísticamente significativas. Pocos estudios han evaluado el efecto y la influencia del gel CHX al 0,2% en el control del dolor posoperatorio. Algunos informes sugieren que el uso intraalveolar de gel CHX es más eficaz que la administración de 10 mg de ketorolaco solo. En este estudio, no hubo diferencias estadísticamente significativas, lo que indica que el uso de gel CHX al 0,2% aplicado después de la cirugía preprotésica puede no reducir significativamente el dolor posoperatorio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Chlorhexidine gel]]></kwd>
<kwd lng="en"><![CDATA[Postoperative pain management]]></kwd>
<kwd lng="en"><![CDATA[Clinical crown lengthening]]></kwd>
<kwd lng="en"><![CDATA[Periodontics]]></kwd>
<kwd lng="en"><![CDATA[Oral surgery]]></kwd>
<kwd lng="en"><![CDATA[Controlled]]></kwd>
<kwd lng="en"><![CDATA[Release system]]></kwd>
<kwd lng="es"><![CDATA[Gel de Clorhexidina]]></kwd>
<kwd lng="es"><![CDATA[Manejo de dolor postoperatorio]]></kwd>
<kwd lng="es"><![CDATA[Alargamiento de corona clínica]]></kwd>
<kwd lng="es"><![CDATA[Periodoncia]]></kwd>
<kwd lng="es"><![CDATA[Cirugía oral]]></kwd>
<kwd lng="es"><![CDATA[Sistema de liberación controlada]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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