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Articles 1 - 7 of 7
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Comparison Of Resistance To Sliding In Posterior Units With Various Angulations Of Molar Tubes, Pornhathai Liewsaitong, Paiboon Techalertpaisarn
Comparison Of Resistance To Sliding In Posterior Units With Various Angulations Of Molar Tubes, Pornhathai Liewsaitong, Paiboon Techalertpaisarn
Chulalongkorn University Dental Journal
Background/objectives This study aimed to investigate the effect of one or two brackets on orthodontic frictional forces and to compare frictional forces of posterior segments when a molar tube had different degrees of tipping. Materials and Methods Five different types of posterior segment templates with six templates per type were constructed. Templates A and B had one and two brackets with an untipped tube, respectively. Templates C, D, and E had two brackets and a 3°, 6° or 9° tipped tube. Each template was coupled with 0.016″ x 0.022″ stainless steel wire and ligated with elastomeric ligatures. Static frictions were …
Microtensile Bond Strength Between Zirconia Ceramics To Resin Composite Using Different Resin Cements, Putsadee Srisomboonkamon, Prarom Salimee
Microtensile Bond Strength Between Zirconia Ceramics To Resin Composite Using Different Resin Cements, Putsadee Srisomboonkamon, Prarom Salimee
Chulalongkorn University Dental Journal
Background/Objective: This study aimed to evaluate the microtensile bond strength (MTBS) of three zirconia ceramics from different manufacturers bonded to resin composite using three different resin cements. Materials and methods: Three fully-sintered zirconia ceramic blocks (5x5x10 mm) from Katana (Nuvodent, Japan), Lava (3M ESPE, Germany) and Cercon (Degudent, Germany) were fabricated and bonded to resin composite blocks (Filtek Z250, 3M ESPE, USA) with the same size using one of the three resin cements : Panavia F 2.0 (Kuraray, USA), Superbond C&B (Sun Medical, Japan) and RelyX Unicem (3M ESPE, USA). After 24 h, each block was cut under water coolant …
The Comparison Of The Surface Roughness And Surface Morphology Of Sintered And Chairside Polished Monolithic Zirconia Implant Crown, Wasan Vatanasak, Kamolporn Wattanasirmkit
The Comparison Of The Surface Roughness And Surface Morphology Of Sintered And Chairside Polished Monolithic Zirconia Implant Crown, Wasan Vatanasak, Kamolporn Wattanasirmkit
Chulalongkorn University Dental Journal
Background: Low temperature degradation, also known as ageing, is the major challenge we cannot avoid in zirconia restorations. Changes in temperature, pressure, mechanical force and moisture are few of the factors which contribute to ageing which eventually leads to failure of zirconia restorations. Objectives: To compare the phase transformation, surface roughness and grain morphology as indications of low temperature degradation that might occur in translucent monolithic zirconia after try in procedure which finished the restoration by chairside polishing or annealing technique. Materials and methods: A total of 10 single implant crowns would be milled from the one Vita HT (VITA-Zahnfabrik, …
The Outcome Of Endodontic Treatment Performed By Dental Students: A Retrospective Study, Phonphanit Sivavetpikul, Kessiri Wisithphrom, Peraya Puapichartdumrong
The Outcome Of Endodontic Treatment Performed By Dental Students: A Retrospective Study, Phonphanit Sivavetpikul, Kessiri Wisithphrom, Peraya Puapichartdumrong
Chulalongkorn University Dental Journal
Background/Objectives: The objectives of this study were to evaluate the success and failure rates as well as factors influencing the outcome of initial endodontic treatment performed by dental students at the Faculty of Dentistry, Naresuan University, Thailand, from 2010 to 2015. Materials and Methods: Data from the treatment records, clinical signs and symptoms, and radiographic records of 213 endodontically treated anterior teeth and premolar were collected and evaluated. Digital periapical radiographs obtained at pre-operation and the last follow-up period were interpreted independently by two examiners via Periapical index (PAI) score. Treatment outcome was evaluated as success or failure based on …
Review Of Literatures: Importance Of Vitamin D In Dentistry, Wareeratn Chengprapakorn
Review Of Literatures: Importance Of Vitamin D In Dentistry, Wareeratn Chengprapakorn
Chulalongkorn University Dental Journal
This article is aimed to review of literatures on vitamin D roles in overall health and its effects in dentistry, particularly, periodontal disease, orthodontics tooth movement, dental implant osseointegration and also osteonecrosis of the jaw. On account of new insights of vitamin D implication in immune response. This article will also focus on vitamin D effects on oral response to various dental procedures.
Fracture Resistance Of Endodontically Treated Maxillary Premolars Restored With Lithium Disilicate Restorations Using Three Different Retentive Techniques, Pakwan Varapongsittikul, Top Chitkraisorn, Nichamon Chaianant, Terawat Tosiriwatanapong, Boonsong Prateepsawangwong
Fracture Resistance Of Endodontically Treated Maxillary Premolars Restored With Lithium Disilicate Restorations Using Three Different Retentive Techniques, Pakwan Varapongsittikul, Top Chitkraisorn, Nichamon Chaianant, Terawat Tosiriwatanapong, Boonsong Prateepsawangwong
Chulalongkorn University Dental Journal
To compare fracture resistance of endodontically treated maxillary premolars restored with ceramic restorations using three retentive techniques. Forty maxillary premolars were randomly selected as a control (Group 1), composite core/crown (Group 2), fiber-reinforced composite post/ composite core/crown (Group 3) and endocrown (Group 4). All restorations were thermo-cycled and subjected to vertical loading. Fracture load and fracture modes were analyzed. The results showed that Group 3 recorded a significantly highest fracture load (2304 ± 737 N). Pairwise comparisons showed no significant difference between Group 2 (1229 ± 303 N) and group 4 (1609 ± 395 N). Type of coronal-radicular retention was …
Painting-On Topical Fluoride Gel Markedly Reduces The Fluoride Gel Amount Compared With Tray Application, Kamonwan Sriwongchai, Wacharaporn Tasachan, Kasekarn Kasevayuth, Chutima Trairatvorakul
Painting-On Topical Fluoride Gel Markedly Reduces The Fluoride Gel Amount Compared With Tray Application, Kamonwan Sriwongchai, Wacharaporn Tasachan, Kasekarn Kasevayuth, Chutima Trairatvorakul
Chulalongkorn University Dental Journal
Background/objectives: Professional topical fluoride (F) gel application has been used to prevent dental caries with a concern about safety in young children. The aim of this study is to evaluate a paint-on technique using a No. 8 paint brush for applying professional topical F gel as an alternative method in children at a safer, lower dose compared with a tray. Materials and Methods: Twenty-one healthy children (12-15-year-old) participated in this clinical crossover study. The amounts of F gel used were 0.4 ml in the paint-on or 5.0 ml in the tray. Saliva and interproximal fluid were collected before, and immediately, …