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Full-Text Articles in Dentistry
Micro-Computed Tomography And Mechanical Test Of Bone Regeneration Using Mrna Encoding Bone Morphogenetic Protein-2 With Implant Placement In Rat Femur, Kanoksiri Jriyasetapong
Micro-Computed Tomography And Mechanical Test Of Bone Regeneration Using Mrna Encoding Bone Morphogenetic Protein-2 With Implant Placement In Rat Femur, Kanoksiri Jriyasetapong
Chulalongkorn University Theses and Dissertations (Chula ETD)
This research evaluates the effectiveness of a modified mRNA encoding bone morphogenetic protein-2 (m1Ψ-BMP-2 mRNA) with N1-methylpseudouridine modifications on bone regeneration and integration after implantation into rat femur defects. In the study, twelve femurs from six Sprague-Dawley rats underwent titanium wire insertation. These femur defects were then filled with either 5 μg of m1Ψ-BMP-2 mRNA, 15 μg of m1Ψ-BMP-2 mRNA, or Dulbecco's phosphate-buffered saline (dPBS) in a randomized manner (N=4 each group) Six weeks post-implantation, the rats were euthanized for evaluation using micro-computed tomography and a mechanical push-out test. The Micro-CT analysis focused on several parameters including total bone volume, …
Effect Of Different Implant Angulations And Insertion-Removal Cycles On The Retentive Force Of Locator And Locator R-Tx Attachments, Jidapha Tangtrongmit
Effect Of Different Implant Angulations And Insertion-Removal Cycles On The Retentive Force Of Locator And Locator R-Tx Attachments, Jidapha Tangtrongmit
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aims to assess the implant of varying angulations and insertion-removal cycles on the retentive force of 2 denture attachments. The blocks were produced via 3D printing and divided into 2 groups: the LOCATOR attachment with orange retentive inserts and the LOCATOR R-Tx attachment with pink retentive inserts. Each group was divided into 3 subgroups based on implant angulation at 0-, 15-, and 30-degree implant angulation. The insertion-removal cycles were performed in 37 ±1°C deionized water using an INSTRON E1000 machine. Retentive force tests were conducted using a universal testing machine at baseline, after 270, 540, 810, 1080, 2160, …
The Effect Of Water Sorption And Solubility On Surface Properties Of Cad/Cam Materials, Chatchalanya Wansudon
The Effect Of Water Sorption And Solubility On Surface Properties Of Cad/Cam Materials, Chatchalanya Wansudon
Chulalongkorn University Theses and Dissertations (Chula ETD)
The objective of this research was to examine sorption, solubility, and surface properties of three widely used CAD/CAM materials: resin composite (Cerasmart; CS), polymer-infiltrated ceramic network (Vita Enamic; VE) and lithium disilicate glass ceramic (IPS e.max CAD; LS). 45 rectangular-shaped specimens were prepared and immersed in deionized water for varying durations. These specimens were then subjected to evaluate their water sorption, solubility, surface roughness, and surface hardness. The results showed that immersion time significantly impacted water sorption of the tested materials (P.05). The 2-way ANCOVA revealed that water immersions had significant effects on surface hardness among tested CAD/CAM blocks (P.05). …
The Effect Of Universal Adhesives On Repairability Of Four Cad/Cam Blocks, Tanyaporn Treyasorasai
The Effect Of Universal Adhesives On Repairability Of Four Cad/Cam Blocks, Tanyaporn Treyasorasai
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aimed to assess the repairability among four CAD/CAM blocks repaired with different universal adhesives after aging. The CAD/CAM blocks evaluated were polymer infiltrated ceramic network (VE), zirconium-reinforced lithium silicate ceramic (VS), feldspathic ceramic (VM), and lithium disilicate ceramic (IE). Each original block was prepared to create 120 specimens. After 10,000 cycles of thermocycling, surface pretreatment of each specimen was carried out by grinding and etching with a 9% hydrofluoric acid. Subsequently, specimens were divided into three groups: Clearfil™ TRI-S BOND (CUB), Scotchbond Universal Plus® (SUP), and Monobond N® (MN). Resin composite was then applied. All samples underwent another …
Microleakage Of Class Ii Restoration Using Short-Fiber Reinforced Flowable Resin Composite, Parichat Panyawisitkul
Microleakage Of Class Ii Restoration Using Short-Fiber Reinforced Flowable Resin Composite, Parichat Panyawisitkul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective. With short-fiber reinforced resin composite (SFRC), improved mechanical strength and good workability could be achieved within a single material. However, there remains concerns related to microleakage, which could restrict the application of this material in certain clinical situations. Materials and Methods. Class II cavities were prepared in 80 premolars. Each group, consisting of 10 specimens, was restored with different materials: flowable bulk-fill SFRC (EverX Flow, EXF), bulk-fill SFRC (EverX Posterior, EXP), flowable bulk-fill (Tetric N-Flow, TNF), and conventional resin composite (Z350 XT, Z350). The specimens were divided into two subgroups: one underwent thermocycling of 20,000 cycles, while the other …
Gene Expression Of Soft Tissue Covering Bone Grafted With Xenograft In Human, Atithan Termworasin
Gene Expression Of Soft Tissue Covering Bone Grafted With Xenograft In Human, Atithan Termworasin
Chulalongkorn University Theses and Dissertations (Chula ETD)
Soft tissue is one of many factors that influence the esthetic success of dental implants. This study explores soft tissue reaction between soft tissue covering bone grafted with xenograft and soft tissue in normal healing by analyzing the levels of inflammatory cytokine including TNF-α, IL-6, IL-8 and NF-kB1. Soft tissues are collected after 4 to 6 months of healing and analyzed by reverse transcription quantitative polymerase chain reaction (RT-qPCR). The result shows that the relative gene expression of TNF-α, IL-6, IL-8, and NF-kB1 are not significantly different in soft tissue covering xenograft compared to the ones in soft tissue covering …
Effect Of Variations In Translucency Of Cad/Cam Lithium-Disilicate Ceramic And Abutment Color On Optical Color Of Veneer Restoration, Wichaya Likitnuruk
Effect Of Variations In Translucency Of Cad/Cam Lithium-Disilicate Ceramic And Abutment Color On Optical Color Of Veneer Restoration, Wichaya Likitnuruk
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aimed to evaluate the optical color of different translucencies of CAD/CAM lithium-disilicate ceramics on backgrounds with different values. Low translucency (LT) and medium translucency (MT) rectangular-shaped specimens (0.6 mm thickness, shade A1) were fabricated from IPS e.max CAD (EMC; Ivoclar Vivadent) and Amber Mill (AM; HASS). Six specimens of EMC-MT, EMC-LT, AM-MT, and AM-LT were fabricated, resulting in 24 specimens in total. The specimens were placed on six background colors (1M1(reference), 1M2, 2M2, 3M2, 4M2, and 5M2) made of light-cured resin composite (Vita VM LC Base Dentine, Vita Zahnfabrik) using glycerine as a medium. The CIE L*a*b* coordinates …
The Effect Of Surface Treatment And Types Of Translucent Monolithic Zirconia On The Shear Bond Strength Of Porcelain Repaired To Zirconia, Karnkanith Hansomwong
The Effect Of Surface Treatment And Types Of Translucent Monolithic Zirconia On The Shear Bond Strength Of Porcelain Repaired To Zirconia, Karnkanith Hansomwong
Chulalongkorn University Theses and Dissertations (Chula ETD)
In the event of proximal contact loss in a zirconia crown on an implant, the zirconia crown can be modified by adding porcelain to recreate the proximal contact. This study investigated the shear bond strength between translucent zirconia (4Y-PSZ) and veneering porcelain compared to conventional zirconia (3Y-TZP). Zirconia substructures were treated with airborne-particle abrasion with Al2O3. The results of the shear bond strength test were analyzed by One-way ANOVA and post-hoc comparisons with Tukey’s honest significant difference (HSD) test. The shear bond strengthranged from 21.87 and 27.79 MPa. The failure mode was mixed failure in all groups. From the results, …
Influence Of Ceramic Translucency, Ceramic Thickness, And Shades Of Luting Resin Cement On Final Color Of Cad/Cam Lithium Disilicate Veneers, Ploypailin Radeesujalitkul
Influence Of Ceramic Translucency, Ceramic Thickness, And Shades Of Luting Resin Cement On Final Color Of Cad/Cam Lithium Disilicate Veneers, Ploypailin Radeesujalitkul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Purpose. To evaluate the effect of ceramic translucency, ceramic thickness, and cement color on the final optical color of a CAD/CAM lithium disilicate ceramic. Methods. A total of 180 ceramic specimens were prepared into two thicknesses, 0.5 and 1.0 mm, from high translucency (HT), medium translucency (MT), and low translucency (LT) CAD/CAM lithium disilicate ceramics (IPS e.max CAD; Ivoclar Vivadent) in shade A1. Substrates were fabricated from resin composite in shade A3. Two shades of light-cure resin cement, neutral and light plus (Variolink Esthetic LC; Ivoclar Vivadent), were used for cementation, whereas glycerine was used for the control groups. CIE …
A Comparison Of Fracture Load After Mechanical Cyclic Loading Between 3 Different Materials And 2 Designs On Implant-Supported Crown : An In Vitro Study, Thanus Liwwattanakorn
A Comparison Of Fracture Load After Mechanical Cyclic Loading Between 3 Different Materials And 2 Designs On Implant-Supported Crown : An In Vitro Study, Thanus Liwwattanakorn
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: To compare the fracture resistance among ultra-translucent zirconia, lithium disilicate, and composite resin implant-supported maxillary premolar crowns with cement-retained or combined cement- and screw-retained designs after cyclic loading simulation. Materials and Methods: Forty-eight maxillary first premolar crowns and their abutments were attached on dental implants (ø4.0 x 10 mm) embedded in epoxy resin blocks. All specimens were equally divided into 6 groups (n=8) based on monolithic crown material (ultra-translucent zirconia (Z), lithium disilicate (L), and composite resin (C)) and restoration design (cement-retained and combined cement- and screw-retained). Each specimen was subjected to 500,000 cycles of cyclic loading. Subsequently, a …
Effects Of Self-Adhesive Resin Cements Cured With Different Light Sources On Human Gingival Fibroblasts, Siriwong Wongsirisuwan
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
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 …
การปิดสีโดยใช้ชนิดเรซินคอมโพสิตและความหนาที่แตกต่างกัน, กชรัตน์ นันทเสน
การปิดสีโดยใช้ชนิดเรซินคอมโพสิตและความหนาที่แตกต่างกัน, กชรัตน์ นันทเสน
Chulalongkorn University Theses and Dissertations (Chula ETD)
ความสวยงามในเรื่องสีของฟันเป็นสิ่งหนึ่งที่ผู้ป่วยให้ความสำคัญเมื่อมารับการรักษาทางทันตกรรม โดยการเปลี่ยนสีฟันด้วยสิ่งบูรณะฟันโดยตรง ซึ่งเป็นการบูรณะฟันโดยตรงในช่องปากโดยใช้เรซินคอมโพสิต เป็นทางเลือกในการรักษาที่มีความนิยมมากขึ้น เนื่องจากมีการทำอันตรายต่อฟันน้อยที่สุด แต่ความสามารถในการปิดสีของเรซินคอมโพสิตอาจมีความแตกต่างกันไปตามแต่ละชนิด ถ้าสามารถเลือกชนิดของเรซินคอมโพสิตที่ปิดสีได้ดีในความหนาที่น้อย ก็จะช่วยลดการสูญเสียโครงสร้างฟันได้ งานวิจัยนี้จึงมีวัตถุประสงค์เพื่อเปรียบเทียบสีภายหลังการบูรณะด้วยชนิดของเรซินคอมโพสิตที่แตกต่างกัน โดยการนำเรซินคอมโพสิต 3 ชนิด ได้แก่ เคลียร์ฟิลเอพีเอ็กซ์, เมต้าฟิลซีเอ็กซ์ และฟิลเท็คซีทูไฟว์ซีโร่ ที่มีความหนา 4 ระดับ ได้แก่ 0.5, 1, 1.5 และ 2 มิลลิเมตร มาเปรียบเทียบความสามารถในการปิดสี โดยวัดด้วยตามนุษย์และเครื่องสเปกโทรโฟโตมิเตอร์ และประเมินความแตกต่างโดยใช้การทดสอบแบบครัสคัล-วอลลิสและการวิเคราะห์ความแปรปรวนทางเดียว ผลการศึกษาพบความแตกต่างอย่างมีนัยสำคัญทางสถิติที่ระดับความเชื่อมั่นร้อยละ 95 ระหว่างกลุ่มเรซินคอมโพสิตและความหนาที่ต่างกัน กล่าวโดยสรุป เรซินคอมโพสิตชนิดเมต้าฟิลซีเอ็กซ์มีความสามารถในการปิดสีเข้มสุด A6 ได้ดีกว่าเรซินคอมโพสิตชนิดเคลียร์ฟิลเอพีเอ็กซ์และฟิลเท็คซีทูไฟว์ซีโร่ในทุกระดับความหนา โดยเรซินคอมโพสิตชนิดเมต้าฟิลซีเอ็กซ์ที่ความหนาประมาณ 1.5 – 2 มิลลิเมตร สามารถบูรณะฟันสี A6 ให้ได้สีฟันที่ระดับ A1
The Relationship Between The Expression Of Stromal Cell Derived Factor-1 (Sdf-1) And Regional Acceleratory Phenomenon (Rap) In Orthodontic Tooth Movement After Tooth Extraction In Rats Model, Duangtawan Rintanalert
The Relationship Between The Expression Of Stromal Cell Derived Factor-1 (Sdf-1) And Regional Acceleratory Phenomenon (Rap) In Orthodontic Tooth Movement After Tooth Extraction In Rats Model, Duangtawan Rintanalert
Chulalongkorn University Theses and Dissertations (Chula ETD)
The stromal cell-derived factor 1 (SDF-1)/chemokine receptor type 4 (CXCR4) axis plays a key role in alveolar bone metabolism during orthodontic tooth movement (OTM). Herein, the effects of the SDF-1/CXCR4 axis on the regional acceleratory phenomenon (RAP) in OTM velocity and on changes in the surrounding periodontium after adjacent tooth extraction in rats were investigated. Six-week-old male Wistar/ST rats underwent left maxillary first molar (M1) extraction and mesial OTM of the left maxillary second molar (M2) with a 10-g force closed-coil spring. Phosphate-buffered saline, immunoglobulin G (IgG) isotype control antibody, or anti-SDF-1 neutralizing monoclonal antibody were injected at the M1 …
The Comparison Of Learning Outcome Of Dental Implant Placement Training In Esthetic Zone Using Dynamic Navigation System Between Novice Dentists And Experience Dentists, Hatsapon Teparrukkul
The Comparison Of Learning Outcome Of Dental Implant Placement Training In Esthetic Zone Using Dynamic Navigation System Between Novice Dentists And Experience Dentists, Hatsapon Teparrukkul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background: The increasing importance of CAIS in the practice of implant dentistry calls for adequate education and training of clinicians, however little evidence is available to support educational strategies and best practice. Purpose: The aim of this study was to investigate the effectiveness of distributed training with d-CAIS in the accuracy of freehand implant placement by inexperienced operators. Materials and Methods: Six senior dental students without experience in implant placement and dynamic CAIS systems received simulation in free-hand implant surgery (5 implants), followed by distributed training in dynamic CAIS (6 implants). An assessment followed in freehand implant placement (5 implants). …
Effects Of ⍺-Lactalbumin Hydrolysate On Human Oral Squamous Cell Carcinoma Cell Lines, Agustina Putri Kintan Arini
Effects Of ⍺-Lactalbumin Hydrolysate On Human Oral Squamous Cell Carcinoma Cell Lines, Agustina Putri Kintan Arini
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background : Alpha-lactalbumin, the protein from human and bovine milk has been found to be promising as an alternative of anticancer agent Objective: To investigate the effects of lactalbumin enzymatic hydrolysate (LAH) on cell proliferation, migration, and mRNA expression of MMP on human squamous cell carcinoma (hSCC) cell lines, in vitro. Materials and Methods: Tongue (HSC-4 and 7) and pharyngeal (HN-30 and 31) hSCC cell lines were treated with a two-fold dilution of LAH (0.39-100 mg/ml). Cell viability and cell proliferation were examined by MTT assay. Cell migration was investigated by a scratch wound healing assay. Gene expression of metastasis-associated …
Dentists’ Perspective On Using Text And Video Consultation To Improve Self-Study For The Modified Complete Denture Technique, Nutnicha Punyakornwong
Dentists’ Perspective On Using Text And Video Consultation To Improve Self-Study For The Modified Complete Denture Technique, Nutnicha Punyakornwong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Complete edentulism has an adverse effect on the health and quality of life of older adults. However, patients frequently waited for years to receive treatment by prosthodontists. Simplified method could enable general dentists to treat edentulism efficiently. Tele-dentistry provides an approach for coaching general dentists in remote regions. In order to assist general dentists practicing the modified complete denture method, this study evaluated the learning outcomes of non-interactive and interactive self-study that used text and videoconferences. Participants were general dentists who had fewer than five years of experience. They were divided into non-interactive or interactive self-study group and received a …
The Expression Of Incretin Hormones And Their Receptors In The Submandibular Glands Of Offspring From High Fat Diet-Fed Mother Rats, Pornchanok Sangsuriyothai
The Expression Of Incretin Hormones And Their Receptors In The Submandibular Glands Of Offspring From High Fat Diet-Fed Mother Rats, Pornchanok Sangsuriyothai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Incretins, i.e., glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) promote insulin secretion to reduce postprandial blood sugar. Previous studies found incretins in the salivary glands in rat. However, the role of GLP-1 and GIP in the submandibular gland (SMG) is unclear. This study investigates the effects of a high-fat diet (HFD) on the expression of GLP-1 and GIP throughout the development of rat SMG. Pregnant 11-week-old rats were divided into standard diet and HFD groups (n = 5 each). The newborns were divided into four subgroups (n = 6): standard diet males, HFD males, standard diet females, and HFD …
Autogenous Raw Tooth Particles Versus Xenograft For Alveolar Ridge Preservation: A Prospective Controlled Clinical Trial, Basel Mahardawi
Autogenous Raw Tooth Particles Versus Xenograft For Alveolar Ridge Preservation: A Prospective Controlled Clinical Trial, Basel Mahardawi
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: The use of extracted teeth has been recently introduced as an option for bone grafting. However, the current method requires special machines and solutions, which poses significant time and cost. The aim of this study was to evaluate the clinical performance of autogenous Raw Tooth Particles (RTP), a grafting material made from a ground tooth using basic equipment, for alveolar ridge preservation. Materials and methods: 14 and 13 sites (23 patients) were included for the study and control group, respectively. The control group received Bio-Oss® xenograft. Radiographic measurements (in millimeters) were taken at the baseline and at the 4-month …
Oral And Dental Prostheses Status In Mild And Moderate Dementia Patients, Tunyatorn Ratanawatanasin
Oral And Dental Prostheses Status In Mild And Moderate Dementia Patients, Tunyatorn Ratanawatanasin
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study focused on understanding the oral health and dental prostheses status of patients with mild to moderate dementia at King Chulalongkorn Memorial Hospital. A total of 88 patients participated in this cross-sectional study, which utilized the Oral Health Assessment Tool (OHAT) and modified CDA score to evaluate the oral health of patients with a dementia diagnosis. The study revealed significant oral health issues among participants, particularly in terms of gum and oral tissue problems, and oral cleanliness. Although 45.5% of participants had at least 20 functional teeth, a high prevalence of dental decay was observed. Many of the fixed …
Comparison Of The Accuracy Of Implant Placement Between Using Sleeve-In-Sleeve And Integrated Sleeve-On-Drill Drilling Systems For Static Computer-Assisted Implant Surgery: A Simulation-Based Experimental Study, Papon Pattanasirikun
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: To investigate precision of implant placement with sleeve-in-sleeve and sleeve-on-drill static Computer Assisted Implant Surgery (sCAIS) designs. Materials and Methods: 32 models were digitally planned and fabricated simulating a patient with bilateral missing first premolar. 8 models were assigned in each group: Group A, B and C represented sleeve-in-sleeve design with 2, 4 and 6mm sleeve height respectively. Group D represented integrated sleeve-on-drill design with 4 mm sleeve height. All models were scanned with CBCT and desktop optical scanner. 16 implants were planned and placed using sCAIS for each group. 3D deviation of placed and planned position at implant …
การเปลี่ยนแปลงคุณภาพชีวิตในมิติสุขภาพช่องปากและในมิติสุขภาพในผู้ป่วยที่ได้รับการรักษาทางทันตกรรมประดิษฐ์, ปิยอนงค์ วรรณขาว
การเปลี่ยนแปลงคุณภาพชีวิตในมิติสุขภาพช่องปากและในมิติสุขภาพในผู้ป่วยที่ได้รับการรักษาทางทันตกรรมประดิษฐ์, ปิยอนงค์ วรรณขาว
Chulalongkorn University Theses and Dissertations (Chula ETD)
การศึกษานี้เป็นการศึกษาไปข้างหน้าจากเหตุไปหาผลในผู้ป่วยเข้ารับการรักษารับการรักษาทางทันตกรรรมประดิษฐ์จำนวน 87 คน ผลลัพธ์ของการศึกษาคือคุณภาพชีวิตในมิติสุขภาพช่องปากและคุณภาพชีวิตในมิติสุขภาพ โดยใช้ดัชนีประเมินผลกระทบของสุขภาพช่องปากต่อสมรรถภาพในชีวิตประจำวันและเครื่องมือวัดคุณภาพชีวิตขององค์การอนามัยโลกฉบับย่อ ตามลำดับ ตัวแปรร่วม ได้แก่ ลักษณะทั่วไป สภาวะสุขภาพและสภาวะสุขภาพช่องปาก เก็บข้อมูลโดยการสัมภาษณ์ การตรวจในช่องปากและการศึกษาจากแฟ้มประวัติ หลังการแก้ไขฟันเทียมครั้งสุดท้าย 1 เดือน เก็บข้อมูลคุณภาพชีวิตในมิติสุขภาพช่องปากและคุณภาพชีวิตในมิติสุขภาพโดยการสัมภาษณ์ทางโทรศัพท์ ใช้การทดสอบของการทดสอบวิลคอกซันวิเคราะห์การเปลี่ยนแปลงของคะเเนน OIDP และ WHOQOL-BREF เวลาก่อนและหลังการรักษา ข้อมูลทั้งหมดวิเคราะห์ที่ระดับนัยสำคัญร้อยละ 5 ผลการศึกษาแสดงว่าหลังการรักษาผู้เข้าร่วมการศึกษามีคะแนน OIDP รวมลดลงอย่างมีนัยสำคัญทางสถิติ และคะแนน WHOQOL-BREF รวมเพิ่มขึ้นอย่างมีนัยสำคัญทางสถิติ โดยที่เวลาก่อนการรักษาปัจจัยที่ส่งผลต่อคะแนน OIDP รวมคือจำนวนฟันธรรมชาติและจำนวนคู่สบฟันหลัง ในขณะที่ปัจจัยที่ส่งผลต่อคะแนน WHOQOL-BREF รวมคือสถานภาพสมรสและความเพียงพอของรายได้ จึงสรุปได้ว่าภายหลังการรักษาทางทันตกรรมประดิษฐ์ผู้ป่วยมีคุณภาพชีวิตในมิติสุขภาพช่องปากและคุณภาพชีวิตในมิติสุขภาพดีขึ้น
Geriatric Esthetics: A Comparison Of Prosthodontists, General Practitioners, And Laypeople's Perception, Rawinun Puangkaew
Geriatric Esthetics: A Comparison Of Prosthodontists, General Practitioners, And Laypeople's Perception, Rawinun Puangkaew
Chulalongkorn University Theses and Dissertations (Chula ETD)
In this study, we evaluated the esthetic perceptions of prosthodontists, general practitioners, and laypeople in elderly smile, using varying the exposure of the maxillary incisors in rest position and a full smile, size of buccal corridor and gingival display of maxillary posterior teeth. The picture of elderly smile was modified and shown with randomized sequence. Participants are asked to rate each image by using a numerical visual analog scale (0-10 scale). A total of 150 participants consisted of 50 Thai prosthodontists, 50 general practitioners, and 50 laypeople. Some pictures exhibited statistically significant differences (p0.05). All variation of incisal display were …
Study Of Mutation And Pathomechanism Of Runx2 In Cleidocranial Dysplasia, Sermporn Thaweesapphithak
Study Of Mutation And Pathomechanism Of Runx2 In Cleidocranial Dysplasia, Sermporn Thaweesapphithak
Chulalongkorn University Theses and Dissertations (Chula ETD)
Cleidocranial dysplasia (CCD) is a skeletal disorder affecting the skull, teeth, and clavicles, and is associated with the RUNX2 variants. We identified the five variants from five families, three were novel, comprising c.739delA (p.(Ser247Valfs*)), c.901C>T (p.(Gln301*)), and c.1081C>T (p.(Gln361*)) and two were reported, comprising c.673C>T (p.Arg225Trp) and c.674G>A (p.Arg225Gln). All patients exhibited typical CCD features, but we observed the unreported phenotypes, left forth-ray brachymetatarsia. Moreover, we reviewed the C-terminus RUNX2 variants in the CCD patients and found 81 variants that have been reported. To determine, the pathomechanism of CCD caused by the variants in the C-terminus, …
The Observation Of Relative Occlusal Forces Of Posterior Implant-Supported Fixed Prostheses In Tooth-Borne And Distal End Circumstance By Using T-Scan System : A Prospective Study, Jinjudhapak Thongdee
The Observation Of Relative Occlusal Forces Of Posterior Implant-Supported Fixed Prostheses In Tooth-Borne And Distal End Circumstance By Using T-Scan System : A Prospective Study, Jinjudhapak Thongdee
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: to assess the relative occlusal forces (ROF) of posterior implants in two different occlusion designs in tooth-borne and distal end circumstances over time using the T-scan system and to compare the marginal bone loss in those situations and designs over time. Material and methods: Twenty patients requiring single posterior or distal end implants were randomly assigned to two groups: Implant-protected occlusion (IPO) or load (LOAD). The ROFs were measured using a T-scan on five occasions. Custom-made jigs were used to collect periapical parallel x-rays. The implant platforms were used as a reference to assess marginal bone loss. Results: In …
A Comparison Of Shear Bond Strength On Human Dentin Using Acrylic Resin Cement And Self-Adhesive Resin Cements With The Use Of Universal Adhesives, Phatcha Maiwatana
A Comparison Of Shear Bond Strength On Human Dentin Using Acrylic Resin Cement And Self-Adhesive Resin Cements With The Use Of Universal Adhesives, Phatcha Maiwatana
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: To evaluate the shear bond strength of human dentin with two different phosphate-monomer containing self-adhesive resin cements, an acrylic resin cement, and the effect of universal adhesive pretreatment on human dentin. Materials and Methods: Fifty extracted human third molars with the superficial dentin exposure at the buccal side were prepared. Resin composite cylinders with 2.38 mm diameter were cemented with 5 groups of resin cements and universal adhesives: Rely X U200, Single Bond Universal Adhesive with Rely X U200, Panavia SA Luting Multi, Clearfil Tri-S Bond Universal Quick with Panavia SA Luting Multi, and Super Bond C&B. Then, the …
Two-Body Wear Resistance Of Four Different Lithium Disilicate, One Zirconia Reinforced Lithium Silicate, And Two Zirconia Cad/Cam Materials, Suchaya Tantrachoti
Two-Body Wear Resistance Of Four Different Lithium Disilicate, One Zirconia Reinforced Lithium Silicate, And Two Zirconia Cad/Cam Materials, Suchaya Tantrachoti
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: to evaluate the volume loss of four different lithium disilicate, one zirconia reinforced lithium silicate, and two zirconia CAD/CAM materials. Methodology: The test conditions were divided into 8 experimental groups (n=6); Amber mill (AM), milled-Celtra Duo (mCD), fired-Celtra Duo (fCD), IPS emax CAD (EM), n!ce (NI), Rosetta SM (RS), Cercon xt (XT), and IPS emax ZirCAD (ZC). Flat square specimens (8 x8 x4 mm3) were prepared. A spherical steatite (D =6mm) was used as an antagonist. The simulated two-body wear was performed using a chewing simulator (120,000 cycles, 50 N, 1.34 Hz, sliding movement 0.5 mm). The volume loss …
Effectiveness Of Myofunctional Therapy With Frenectomy In Adult Patients With Obstructive Sleep Apnea And Ankyloglossia, Chanadda Preedeewong
Effectiveness Of Myofunctional Therapy With Frenectomy In Adult Patients With Obstructive Sleep Apnea And Ankyloglossia, Chanadda Preedeewong
Chulalongkorn University Theses and Dissertations (Chula ETD)
In recent years, myofunctional therapy has emerged as a noninvasive treatment modality for patients suffering from obstructive sleep apnea (OSA), owing to its lower cost and reduced risk of serious side effects compared to other therapeutic options. Furthermore, myofunctional therapy may be considered for patients who cannot tolerate continuous positive airway pressure (CPAP) or oral appliances. However, ankyloglossia, a congenital condition characterized by restricted tongue movement, has been shown to limit the exercise regimen and compromise the effectiveness of myofunctional therapy. This study aims to explore the effectiveness of myofunctional therapy combined with frenectomy for adult OSA patients with ankyloglossia. …
ความรู้และทัศนคติของทันตแพทย์ในประเทศไทย เกี่ยวกับภาวะหยุดหายใจขณะหลับจากการอุดกั้น, ทิพย์จุฑา บูรณกิจวิสูตร
ความรู้และทัศนคติของทันตแพทย์ในประเทศไทย เกี่ยวกับภาวะหยุดหายใจขณะหลับจากการอุดกั้น, ทิพย์จุฑา บูรณกิจวิสูตร
Chulalongkorn University Theses and Dissertations (Chula ETD)
การศึกษานี้จึงมีวัตถุประสงค์เพื่อศึกษาระดับความรู้และทัศนคติต่อภาวะหยุดหายใจขณะหลับจากการอุดกั้นของทันตแพทย์ในประเทศไทยจำนวน 494 คน ระหว่างเดือนกรกฎาคมถึงกันยายน พ.ศ.2565 โดยใช้แบบสอบถามออนไลน์ประกอบด้วย 3 ส่วนได้แก่ ข้อมูลทั่วไป ความรู้ และทัศนคติ ผลการศึกษาพบว่าทันตแพทย์มีระดับความรู้น้อย จำนวน 275 คน (ร้อยละ 56.9) เกี่ยวกับคำจำกัดความของโรค พยาธิสรีรวิทยา การวินิจฉัยและการรักษา และผลคะแนนความรู้มีความแตกต่างอย่างมีนัยสำคัญทางสถิติที่ระดับความเชื่อมั่นร้อยละ 95 ของคะแนนความรู้ระหว่างทันตแพทย์ที่เคยฝึกอบรมและไม่เคยฝึกอบรมเกี่ยวกับภาวะหยุดหายใจขณะหลับจากการอุดกั้น ทั้งในและนอกระบบมหาวิทยาลัยทันตแพทยศาสตร์บัณฑิต และระหว่างทันตแพทย์ที่เคยมีประสบการณ์และไม่เคยมีประสบการณ์ในการตรวจคัดกรองผู้ป่วยที่มีภาวะหยุดหายใจขณะหลับจากการอุดกั้น แต่พบว่าทันตแพทย์ผู้ร่วมวิจัยส่วนใหญ่มีทัศนคติเชิงบวกต่อความสำคัญว่าภาวะหยุดหายใจขณะหลับจากการอุดกั้นอาจคุกคามถึงชีวิต และมีความมั่นใจในการตรวจคัดกรองและให้การจัดการภาวะหยุดหายใจขณะหลับจากการอุดกั้น โดยจำนวนร้อยละ 76 เห็นด้วยอย่างยิ่งว่าภาวะหยุดหายใจขณะหลับจากการอุดกั้นเป็นโรคที่มีความสำคัญเพราะอาจคุกคามถึงชีวิตได้ สรุปว่าทันตแพทย์ไทยยังมีระดับความรู้น้อยแต่มีทัศนคติที่ดีต่อภาวะหยุดหายใจขณะหลับจากการอุดกั้น บ่งชี้ให้เห็นว่าทันตแพทย์เห็นคุณค่า รวมถึงให้ความสำคัญและเต็มใจที่จะเรียนรู้เกี่ยวกับภาวะหยุดหายใจขณะหลับจากการอุดกั้น
Translation And Validation Of A Thai Version Of The Xerostomia Inventory, Chotima Lapnimitanun
Translation And Validation Of A Thai Version Of The Xerostomia Inventory, Chotima Lapnimitanun
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: This study aimed to translate and validate the Xerostomia Inventory (XI) and Summated Xerostomia Inventory (SXI) -Thai version in Thai middle-aged and older adults Methods: This study was a cross-sectional study which consisted of translation and validation phases. The XI and SXI were cross-culturally forward and backward translated and validated in 200 middle-aged and older Thai adults. The validity relied on the content, construct, and criterion validity. The reliability was determined by internal consistency. Results: The translation was done with good content validity. Both discriminant validity, which can distinguish between xerostomia and non-xerostomia groups, and the convergent validity, which …