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Oral Biology and Oral Pathology Commons

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2023

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Articles 31 - 60 of 72

Full-Text Articles in Oral Biology and Oral Pathology

Education, Beliefs, And Health Literacy Of Care Providers On Mouth Care Of Older Adults, Molly Lakin May 2023

Education, Beliefs, And Health Literacy Of Care Providers On Mouth Care Of Older Adults, Molly Lakin

Honors Program: Senior Projects (Public)

Oral health is important to one’s overall health and quality of life as it can lead to chronic illnesses such as cardiovascular disease, stroke, and neurodegenerative disorders (Haumschild et al. 2021). In long-term care facilities, it is important that dependent older adults are provided mouth care to maintain their oral health and decrease their chances of developing a chronic illness; however, there are barriers affecting the level, quality, and quantity of mouth care being provided in these facilities. A survey was developed to look at the education, beliefs, and health literacy of care providers on providing mouth care in hopes …


Compound Odontoma: A Clinical Case Presentation, Georgina El Ghoule, Bassam Salameh, Wassim Al Manhal May 2023

Compound Odontoma: A Clinical Case Presentation, Georgina El Ghoule, Bassam Salameh, Wassim Al Manhal

International Arab Journal of Dentistry

Odontomas are asymptomatic benign odontogenic tumors, generally discovered fortuitously, or when a tooth failed to erupt. They are mainly composed of enamel and dentin, cement and pulp tissue can also be present in variable amounts. In 2005, the World Health Organization classified two main types of odontoma, an amorphous and irregular mass of calcified dental tissues as complex odontoma and multiple miniature tooth-like structures as compound odontoma. This article is a case presentation of a compound odontoma diagnosed for an eleven year old girl upon a routine radiography, making it a lesion of childhood /adolescence. A retro-alveolar radiography of the …


A Clinical Reference Guide To The Treatment Of Common Oral Lesions, Janet Zalucha Dds, Felipe Nör Dds, Ms, Phd, David Tindle Dds, Ms May 2023

A Clinical Reference Guide To The Treatment Of Common Oral Lesions, Janet Zalucha Dds, Felipe Nör Dds, Ms, Phd, David Tindle Dds, Ms

The Journal of the Michigan Dental Association

This special MDA Journal pull-out is created as a quick reference for practitioners to assist their patients who present with some of the most common oral pathology manifestations. When encountering these conditions, please consider coordinating care and collaborating with practitioners who have had additional, specialized training in the respective fields. Treatment recommendations for each condition described are included. Note that many of these are considered off-label use of the listed agents. Full prescribing information is beyond the scope of this quick reference guide, so practitioners should thoroughly familiarize themselves with each agent chosen for use.


Oral Manifestations Of Acute Lymphocytic Leukemia, Angela Yepes Dds, Ms, Mba, Juan Yepes Dds, Md, Mph, Ms, Drph, James E. Jones Dmd, Msd, Edd, Phd May 2023

Oral Manifestations Of Acute Lymphocytic Leukemia, Angela Yepes Dds, Ms, Mba, Juan Yepes Dds, Md, Mph, Ms, Drph, James E. Jones Dmd, Msd, Edd, Phd

The Journal of the Michigan Dental Association

Leukemia is the most prevalent malignancy of leukocytes and can occur in children and adults. Oral manifestations are part of the complexity of signs and symptoms in patients with leukemia and, in some patients, oral manifestations precede systemic manifestations. Oral signs of leukemia include spontaneous bleeding, gingival enlargement, and whiteness of the oral mucosa. Head and neck lymphadenopathy is common in patients with leukemia. Oral manifestations are the result of the direct invasion of immature cells in the oral cavity tissues or indirectly caused by the replacement of the normal blood cells for immature cells causing anemia, leucopenia, and thrombocytopenia. …


Do Nasal Anatomical Variations Affect The Maxillary Sinus? A Cbct Volumetric Analysis, Raghdaa A. Mostafa, Sahar M. Samir Apr 2023

Do Nasal Anatomical Variations Affect The Maxillary Sinus? A Cbct Volumetric Analysis, Raghdaa A. Mostafa, Sahar M. Samir

Journal of Dentistry Indonesia

Objective: This study aimed to determine the effect of the concha bullosa (CB) and the nasal septum deviation (NSD) on the volume of the maxillary sinuses using ITK-SNAP (http://www.itksnap.org/ download/snap/). Methods: A total of 70 CBCT scans were analyzed. Three groups were evaluated; control (absence of CB), unilateral CB, and bilateral CB. Moreover, scans were classified according to the NSD into control (no deviation), mild, moderate, and severe NSD deviation. The volume of each maxillary sinus was calculated using the ITKSNAP. Intra-observer reliability analysis was performed by paired-sample t-test. Analysis of variance ANOVA and t-test were used to …


A Prospective-Randomized Study: The Impact Of Four Different Caries Removal Method On Pain And Clinical Evaluations, Merve Aydemir, Serdar Bağlar Apr 2023

A Prospective-Randomized Study: The Impact Of Four Different Caries Removal Method On Pain And Clinical Evaluations, Merve Aydemir, Serdar Bağlar

Journal of Dentistry Indonesia

Objective: There are many different methods for removing caries. In this study, to evaluate four caries removal methods in terms of patient comfort and to evaluate the clinical success of restorations according to modified-USPHS criteria. Methods: In 31 patients with at least 4 Class II caries in their posterior teeth, 4 teeth were randomly divided into four groups and 4 different methods (conventional method, Carisolv, Papacarie, Er-Cr:YSGG Laser) were used for caries removal. Pain formation during caries removal was determined by FACE Pain Scale questionnaire. The restorations were controlled with Modified-USPHS criteria in 3-6-12 months period. Mann-Whitney U …


Treatment Of Oral Vascular Malformations With Ethamolin: A Report Of Two Cases, Maria Clara De Moura Santos Coelho Ferreira, Marco Vinícius De Sales Lima, Anna Laura Almeida Barreto, Dárcio Kitakawa, Alexandre Do Prado Scherma, Felipe Peralta, Luis Felipe Das Chagas E Silva De Carvalho Apr 2023

Treatment Of Oral Vascular Malformations With Ethamolin: A Report Of Two Cases, Maria Clara De Moura Santos Coelho Ferreira, Marco Vinícius De Sales Lima, Anna Laura Almeida Barreto, Dárcio Kitakawa, Alexandre Do Prado Scherma, Felipe Peralta, Luis Felipe Das Chagas E Silva De Carvalho

Journal of Dentistry Indonesia

A hemangioma is a benign vascular neoplasm, relatively common in the head and neck. In the oral region, it affects the tongue, gums, mucosa, palate, and lip. Its size can vary from millimeters to centimeters, characterized as a purplish or reddish lesion. The present study aims to present two clinical cases of hemangiomas, the first of a male patient treated by sclerotherapy and the second of a female patient in which she was treated with ethamolin and later surgical treatment. It was concluded that sclerotherapy, in addition to being a safe treatment, managed to drastically reduce the initial size of …


A Two-Year Retrospective Evaluation Of Cone Beam Computed Tomography Indications In Pediatric, Adolescent And Adult Patients, Zeynep Betül Arslan, Esra Ceren Tuğutlu Apr 2023

A Two-Year Retrospective Evaluation Of Cone Beam Computed Tomography Indications In Pediatric, Adolescent And Adult Patients, Zeynep Betül Arslan, Esra Ceren Tuğutlu

Journal of Dentistry Indonesia

Objective: The objective was to evaluate cone-beam computed tomography (CBCT) indications and distribution in pediatric, adolescent and adult patients. Methods: A total of 1013 CBCT images were reviewed in detail from the electronic patient database. The patient’s age, gender, CBCT indications and acquisition sites, referral departments, reason for referral, incidental findings in the imaging field and the presence of artifacts in the CBCT images were all recorded. The European DIMITRA project recommendations were used to categorize CBCT indications in the children and the European Guidelines were used for adults. Results: From a total of 1013 images; 5.3% …


Treatment Of Gingival Fenestration Using Mucoperiosteal Flap With Connective Tissue Graft: A Report Of Two Cases, Swati Jaglan, Shikha Tewari Apr 2023

Treatment Of Gingival Fenestration Using Mucoperiosteal Flap With Connective Tissue Graft: A Report Of Two Cases, Swati Jaglan, Shikha Tewari

Journal of Dentistry Indonesia

Fenestration term is derived from the Latin word ‘fenestra’ means ‘window’. Gingival fenestration is not found in routine while its actual occurrence is assumed to be higher. Additionally, if these mucogingival defects persist for a longer duration it may lead to adverse outcomes like compromised esthetics, hypersensitivity, plaque and calculus deposition, and susceptibility to dental caries. Present cases of gingival fenestration were successfully treated by using full-thickness flap elevation with connective tissue graft placement. Two cases were presented with the accumulation of plaque and calculus and having gingival fenestration to the respective sites. After phase 1 therapy, full thickness flap …


Management Of Tooth Hypersensitivity Under A Cantilever Fixed Partial Denture Using A Novel Low-Level Laser Therapy Protocol: A Case Report, Mohamed Fattouh, Manal Mohammed Aljuaid, Nada Ali Abdelaleem Apr 2023

Management Of Tooth Hypersensitivity Under A Cantilever Fixed Partial Denture Using A Novel Low-Level Laser Therapy Protocol: A Case Report, Mohamed Fattouh, Manal Mohammed Aljuaid, Nada Ali Abdelaleem

Journal of Dentistry Indonesia

Tooth hypersensitivity is a common clinical complaint after dental treatment.

Objective: This study presents a case report of the use of a diode laser for treating tooth hypersensitivity in a patient with a cantilever fixed partial denture abutment.

Case Report: A 23-year-old female patient presented to the Faculty of Dentistry, Umm Al-Qura University in Makkah, with the chief complaint of pain in a deeply carious maxillary right first premolar. The tooth was extracted, and a cantilever fixed partial denture was placed using the second premolar as an abutment. One year later, the patient experienced tooth hypersensitivity under the bridge. Low-level …


Head And Neck Tumor Histopathological Image Representation With Pre- Trained Convolutional Neural Network And Vision Transformer, Ranny Rahaningrum Herdiantoputri, Daisuke Komura, Tohru Ikeda, Shumpei Ishikawa Apr 2023

Head And Neck Tumor Histopathological Image Representation With Pre- Trained Convolutional Neural Network And Vision Transformer, Ranny Rahaningrum Herdiantoputri, Daisuke Komura, Tohru Ikeda, Shumpei Ishikawa

Journal of Dentistry Indonesia

Image representation via machine learning is an approach to quantitatively represent histopathological images of head and neck tumors for future applications of artificial intelligence-assisted pathological diagnosis systems. Objective: This study compares image representations produced by a pre-trained convolutional neural network (VGG16) to those produced by a vision transformer (ViT-L/14) in terms of the classification performance of head and neck tumors. Methods: W hole-slide images of five oral t umor categories (n = 319 cases) were analyzed. Image patches were created from manually annotated regions at 4096, 2048, and 1024 pixels and rescaled to 256 pixels. Image representations were …


Ramsay Hunt Syndrome With Oral Findings: A Rare Case, İlknur Eninanç, Büşra Şahin Apr 2023

Ramsay Hunt Syndrome With Oral Findings: A Rare Case, İlknur Eninanç, Büşra Şahin

Journal of Dentistry Indonesia

Ramsay Hunt syndrome (RHS) is a disease that is caused by the varicella-zoster virus and is characterized by severe ear pain, auricular vesicular eruptions, and peripheral facial paralysis.

Objective: The aim of this case report is to provide information about the clinical findings and treatment process of RHS, which is a rare case and may have oral findings and stress the importance of early diagnosis.

Case Report: A 60-year-old male patient had previously consulted an otolaryngologist and a family physician with complaints of vesicular eruptions in the right ear auricle and on the mandible. The patient in whom a diagnosis …


The Effect Of Fluorouracil On Pathogenic And Non-Pathogenic Oral Microorganisms And Microbial Interactions With Preventative Measures: A Preliminary Study, Valeria Ortiz Jimenez, Lynn Lewis Apr 2023

The Effect Of Fluorouracil On Pathogenic And Non-Pathogenic Oral Microorganisms And Microbial Interactions With Preventative Measures: A Preliminary Study, Valeria Ortiz Jimenez, Lynn Lewis

Departmental Honors & Graduate Capstone Projects

Cancer chemotherapy compromises the patient’s oral health through dysbiosis of oral microbiota and increases the prevalence of dental cavities, gingivitis, oral mucositis, and xerostomia. This research aimed to evaluate the effect of a common chemotherapeutic agent, Fluorouracil (5-FU), on certain microorganisms that are common within the oral cavity. Varying concentrations (50 μM, 75 μM and 100μM) of 5-FU were used to simulate the dosage that reaches the oral cavity after intravenous delivery. The microorganisms tested were Pseudomonas aeruginosa, Staphylococcus aureus, Enterococcus faecalis, Streptococcus mutans, Lactobacillus rhamnosus and Streptococcus salivarius. These are some of the most common ones found in the …


Special Needs In Pediatric Dentistry, Emma Kail Apr 2023

Special Needs In Pediatric Dentistry, Emma Kail

Health Sciences Presentations

Over the summer of 2022 I got the chance to work on my internship at a special needs and non special needs focused dentistry. Through this presentation I focus mainly on the pediatric special needs aspect of the dental care given to patients. Throughout the poster I speak about the importance of special needs care within dentistry and the field of dental health itself, where I worked and how they accommodated and worked with those with special needs to give the best care possible, and finally how this experience has changed my goals set for my future, especially within the …


Double Immunohistochemical Analysis Of Pcna And Fak Expression In Selected Odontogenic Lesions, Safaa Baz, Sally Ibrahim Apr 2023

Double Immunohistochemical Analysis Of Pcna And Fak Expression In Selected Odontogenic Lesions, Safaa Baz, Sally Ibrahim

Dentistry

Background: Odontogenic neoplasms and cysts have diverse biological behaviors, ranging from indolence to aggression along a spectrum. The proliferating cell nuclear antigen (PCNA) is an antigen involved in DNA synthesis and proliferation. Focal adhesion kinase (FAK) is a cytoplasmic molecule associated with cellular signaling, growth, and invasion. PCNA and FAK markers have been shown to be involved in neoplastic proliferation, invasion, and migration. Hence, an immunohistochemical assay of PCNA and FAK can be used as a predictive tool for the level of aggressive behavior of odontogenic lesions. Methods: The current study was conducted to evaluate the expressions of PCNA and …


An Osteoma Embedding An Ectopic Wisdom Tooth Within The Maxillary Sinus: A Rare Occurrence, Kayvan Fathimani Dds, Facs, Frcd(C), Fibcsoms Apr 2023

An Osteoma Embedding An Ectopic Wisdom Tooth Within The Maxillary Sinus: A Rare Occurrence, Kayvan Fathimani Dds, Facs, Frcd(C), Fibcsoms

The New York State Dental Journal

Osteomas are frequently reported in the maxillofacial region with much lower incidences in the maxillary and sphenoid sinuses. An unerupted third molar within the maxillary sinus coexisting with a maxillary sinus osteoma is an extremely rare pathologic finding. Such cases can be managed endoscopically or intraorally through a Caldwell-Luc approach. The following case report deals with a patient who presents with an uncommon pathological finding: an osteoma embedding an ectopic tooth within the maxillary sinus.


N Y State Dent J April 2023 Apr 2023

N Y State Dent J April 2023

The New York State Dental Journal

In the April 2023 issue, the reader will find the following feature articles:

    • A Dentist's Role in the Delivery of Culturally Competent Oral Health Care to Transgender Patients
    • Oral Health Considerations for Aging Patients Living with HIV/AIDS
    • An Osteoma Embedding an Ectopic Wisdom Tooth within the Maxillary Sinus A Rare Occurrence

This issue includes regular columns with regional news impacting the New York membership including: editorial and perspectives columns, legal, association activities, component news, continuing education opportunities, and classifieds.


Role Of Oral Microbiota In Cancer Development, Vanessa Gunderson Mar 2023

Role Of Oral Microbiota In Cancer Development, Vanessa Gunderson

UNO Student Research and Creative Activity Fair

More individuals die from oral cancer every year than from melanoma, cervical cancer, and ovarian cancer in the United States. Further, the 5-year survival rate for oral cancer has remained stagnant for over forty years, which is almost unseen across any other form of cancer. This fact exposes that there is a major need to push for research, prevention, and education on oral cancer. To investigate this, a literature review was performed that looked at eight research studies and data from the Centers for Disease Control (CDC). This review revealed that without proper oral hygiene and care, one’s oral bacterial …


Sfd Indications And Technique: When And How To Use Sdf To Manage Caries Lesions, Margherita Fontana Dds, Phd Mar 2023

Sfd Indications And Technique: When And How To Use Sdf To Manage Caries Lesions, Margherita Fontana Dds, Phd

The Journal of the Michigan Dental Association

The aim of this article is to review indications for 38% SDF and the appropriate technique for use. Evidence-based recommendations by the American Dental Association and umbrella reviews of systematic reviews are summarized to provide indications for SDF use in primary and permanent teeth, including sound surfaces and those with non-cavitated and cavitated caries lesions. High-quality evidence supports that SDF is an effective treatment alternative for managing active cavitated coronal and root caries lesions and preventing root caries lesions. Dentists can help by incorporating SDF as an option into their caries prevention and management armamentarium and by helping to train …


Burning Mouth Disorder And Parkinson's Disease: A Scoping Review Of The Literature, O. Guru, Ramesh Balasubramaniam, Gary D. Klasser Feb 2023

Burning Mouth Disorder And Parkinson's Disease: A Scoping Review Of The Literature, O. Guru, Ramesh Balasubramaniam, Gary D. Klasser

School of Dentistry Faculty Publications

Background: Burning mouth disorder (BMD) is a complex medical condition characterized by a burning sensation in the mouth of fluctuating intensity. BMD is considered a diagnosis of exclusion, as oral burning can occur secondary to local or systemic conditions. Parkinson's disease (PD) is one such condition. Objective: To provide a scoping review of the literature by assessing all articles written in English that investigated the relationship between BMD and PD. Materials and Methods: Various databases (PubMed, Ovid, Web of Science, Science Direct and Scopus) and a search platform (EBSCOhost) were searched following similar investigative approaches. Duplicates were removed and reference …


Development Of An Affordable, Manual Method Of Dna Extraction From Bones And Teeth ​, Varos Victer Manukyan, Lara Laughrey, Ryan V. Powers, Amar Paul, Davis Johnston, Dashon Eure, Todeh Toomians, John A. Kriak, Kyle B. Bills, David W. Sant Feb 2023

Development Of An Affordable, Manual Method Of Dna Extraction From Bones And Teeth ​, Varos Victer Manukyan, Lara Laughrey, Ryan V. Powers, Amar Paul, Davis Johnston, Dashon Eure, Todeh Toomians, John A. Kriak, Kyle B. Bills, David W. Sant

Annual Research Symposium

No abstract provided.


Clinical Effects Of Lactobacillus Reuteri Probiotic In The Treatment Of Chronic Periodontitis: A Systematic Review Of Randomized Controlled Trials, Josephine Ram, Shilpa Bhandi, Kamran H. Awan, Frank Licari, Shankargouda Patil Feb 2023

Clinical Effects Of Lactobacillus Reuteri Probiotic In The Treatment Of Chronic Periodontitis: A Systematic Review Of Randomized Controlled Trials, Josephine Ram, Shilpa Bhandi, Kamran H. Awan, Frank Licari, Shankargouda Patil

Annual Research Symposium

No abstract provided.


Saliva As A Diagnostic Tool To Measure Polycyclic Aromatic Hydrocarbon Exposure In Dental Patients Exposed To Intimate Partner Violence (Ipv), Aramandla Ramesh, Leslie R. Halpern, Janet H. Southerland, Samuel E. Adunyah, Pandu R. Gangula Feb 2023

Saliva As A Diagnostic Tool To Measure Polycyclic Aromatic Hydrocarbon Exposure In Dental Patients Exposed To Intimate Partner Violence (Ipv), Aramandla Ramesh, Leslie R. Halpern, Janet H. Southerland, Samuel E. Adunyah, Pandu R. Gangula

School of Dentistry Faculty Publications

Background: Social habits such as tobacco use, alcohol consumption, and chemically contaminated diet contribute to poor oral health. Intimate Partner Violence (IPV) is a global public health epidemic which can exacerbate the prevalence of health conditions affecting a victim's lifespan. This study investigates using saliva as a biomarker for detecting levels of benzo(a)pyrene [B(a)P]; a toxicant present in cigarette smoke and barbecued meat in a population of IPV + female patients. Methods: A cross-sectional IRB-approved study utilized 63 female participants (37 African Americans [AA], and 26 non-African Americans [NAA]), who provided consent for the study. Participants submitted samples of saliva, …


Evaluation Of Apoptotic Effect Of Betanin Nanoparticles Against Squamous Cell Carcinoma Cell Line Compared To Doxorubicin, Noha Hassanine [email protected], Future University In Egypt, Amany M. Taha Lecturer, Al Azhar University, Egypt, Eman A. Abohager Professor, Al Azhar University Jan 2023

Evaluation Of Apoptotic Effect Of Betanin Nanoparticles Against Squamous Cell Carcinoma Cell Line Compared To Doxorubicin, Noha Hassanine [email protected], Future University In Egypt, Amany M. Taha Lecturer, Al Azhar University, Egypt, Eman A. Abohager Professor, Al Azhar University

Future Dental Journal

Objective : to evaluate the anticancer effect of nano sized betanine particles (betanine NP) on squamous cell carcinoma cell line compared to doxorubicin (DOX) by measuring apoptosis through caspase 3. Methods: Three groups of the human tongue squamous cell carcinoma cell line (SCC 25) were created, and two of them were treated with DOX and betanine NP. The third group served as a negative control and was not given any treatment. To evaluate the concentration of caspase 3 using the ElISA technology, different quantities of betanin NP and DOX were administered to SCC25 at 48- and 72-hour intervals.Results: …


N Y State Dent J January 2023 Jan 2023

N Y State Dent J January 2023

The New York State Dental Journal

In the January 2023 issue, the reader will find the following feature articles:

    • Evaluating Repeat Dental Emergency Visits Related to Third-Molar Pathologies in an Urgent Dental Care Center
    • Cultural Gingival Tattoo Diagnosis and Origins
    • Diagnosis and Management of Nasopalatine Duct Cyst

This issue includes regular columns with regional news impacting the New York membership including: editorial and perspectives columns, legal, association activities, component news, continuing education opportunities, and classifieds.


Pharmacological Management Of Oral Lesions, Tanishka Taori, Bhinika Wadher, Shefali Maheshwari, Swapnil Mohod, Suwarna Dangore Jan 2023

Pharmacological Management Of Oral Lesions, Tanishka Taori, Bhinika Wadher, Shefali Maheshwari, Swapnil Mohod, Suwarna Dangore

International Arab Journal of Dentistry

Oral ulcerations caused by aphtous lesions, leukoplakia, scarlet fever, syphilis, NOMA, mucormycosis herpetic lesions, candidiasis, discoid lupus erythematous, ulcerative lichen planus, mucous membrane pemphigoid, spongy nevus, oral submoucs fibrosis and pemphigus vulgaris are treated in a step-up fashion that may include topical, intralesional, and systemic pharmaceutical treatment. This page discusses the most often used therapy agents, methods, and dosages. Although the emphasis is on local pharmacologic therapy, systemic illnesses that frequently occur with such oral lesions are briefly discussed, as is the appropriate care.


The Alleviating Effects Of Epidermal Growth Factor On An In Vitro Oral Mucositis Model In The Presence Of Fusobacterium Nucleatum, Tien Thi Trieu Truong Jan 2023

The Alleviating Effects Of Epidermal Growth Factor On An In Vitro Oral Mucositis Model In The Presence Of Fusobacterium Nucleatum, Tien Thi Trieu Truong

Chulalongkorn University Theses and Dissertations (Chula ETD)

Objectives: 5-fluorouracil (5-FU) is commonly used as a chemotherapy drug for head and neck cancers. However, it often produces an adverse cytotoxic effect on the oral epithelia leading to oral mucositis (OM) in cancer patients. Thus, reversing this cytotoxic effect locally with novel bioactive drugs or factors is necessary. This study aimed to investigate the rescue effect of Nicotiana benthamiana plant-derived epidermal growth factor (P-EGF) on human normal oral keratinocytes (NOKs) exposed to 5-FU-induced cytotoxicity in the presence of Fusobacterium nucleatum (Fn). Materials and Methods: Cytotoxicity and ATP-dependent proliferation and metabolism of NOK monolayer cultures were assessed after 48 hours …


Effects Of Self-Adhesive Resin Cements On Human Gingival Fibroblasts, Kittipat Termteerapornpimol Jan 2023

Effects Of Self-Adhesive Resin Cements On Human Gingival Fibroblasts, Kittipat Termteerapornpimol

Chulalongkorn University Theses and Dissertations (Chula ETD)

Objectives: To investigate the response of primary human gingival fibroblasts (HGFs) to self-adhesive resin cement (SARC) extracts. Methods: Two types of SARCs, RelyXTM U200 (RX) and Maxcem EliteTM Chroma (MC), were polymerized using various curing methods (light-cured, light-cured through 1- or 2-mm zirconia, and self-cured) (n=9/group). HGFs were exposed to cement extracts at different concentrations. Treated HGFs were assessed for cell viability, vitality, wound healing, and gene expression at different time points. Results: Dual-cured MC left self-cured and MC cured through 2 mm zirconia at high concentration significantly decreased the viability of HGFs. Delayed wound healing was observed in MC …


Effects Of Self-Adhesive Resin Cements Cured With Different Light Sources On Human Gingival Fibroblasts, Siriwong Wongsirisuwan Jan 2023

Effects Of Self-Adhesive Resin Cements Cured With Different Light Sources On Human Gingival Fibroblasts, Siriwong Wongsirisuwan

Chulalongkorn University Theses and Dissertations (Chula ETD)

Improperly polymerized self-adhesive resin cements (SARCs) can lead to adverse effects such as periodontitis or peri-implantitis. This in vitro study investigated the effect of 2 light-polymerizing units (LPUs) on the physical and chemical properties of 2 SARCs under varying simulated clinical scenarios and the responses of primary human gingival fibroblasts (hGFs) exposed to such procedures. Dental cement discs of SARCs (depth=2 mm, diameter=5 mm) were prepared with cylindrical acrylic molds. Kerr DemiPlus and 3M Elipar DeepCure-S LED LPUs were used to polymerize 2 different SARCs (RelyX U200 and Maxcem Elite Chroma). The polymerization protocols were either directly light-polymerized or through …


Effects Of Intermittent Compressive Force On Extracellular Matrix Homeostasis Of Human Periodontal Ligament Stem Cells, Novena Dameria Pakpahan Jan 2023

Effects Of Intermittent Compressive Force On Extracellular Matrix Homeostasis Of Human Periodontal Ligament Stem Cells, Novena Dameria Pakpahan

Chulalongkorn University Theses and Dissertations (Chula ETD)

Background: Mechanical force, caused by orthodontic tooth movement, affects periodontal tissue homeostasis including destruction and formation. For instance, the compression side causes bone resorption while bone formation lines in the tension side. Periodontal ligament cells play roles in modulating periodontal tissue homeostasis as well as regeneration via immunomodulation, proliferation, and migration. Extracellular matrix (ECM) is a cellular microenvironment that aids in cell migration, cell growth, and differentiation and serves as a physical barrier against microorganisms. Matrix metalloproteinase (MMP) plays a key role in the degradation of ECM, including collagen, gelatines, and casein. The MMP functions can be inhibited by tissue …