37 results match your criteria: "St. Gregorios Dental College[Affiliation]"

How environmentally friendly is the disposal of clear aligners? A gas chromatography-mass spectrometry study.

Am J Orthod Dentofacial Orthop

January 2025

Department of Orthodontics and Dentofacial Orthopedics, Government Dental College, Kottayam, Kerala, India.

Introduction: Used clear aligner trays are often indiscriminately disposed of with general plastic waste and incinerated. This study aimed to analyze the smoke composition from incinerating 2 common aligner materials: glycol-modified polyethylene terephthalate (PET-G) and polyurethane.

Methods: Each of the 2 materials in triplets was thermoformed.

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Efficacy of clear aligner wear protocols in orthodontic tooth movement-a systematic review.

Eur J Orthod

June 2024

Department of Orthodontics & Dentofacial Orthopedics, Government Dental College, Thrissur 680596, Kerala, India.

Background And Objectives: Different expedited aligner wear protocols are currently in practice. This review was undertaken to systematically appraise the available evidence on the comparative efficacy of orthodontic tooth movement (OTM) across the different wear protocols.

Search Methods: Two assessors conducted comprehensive searches of electronic databases, including MEDLINE (via PubMed), Scopus, Embase, Web of Science, Google Scholar, Directory of Open Access Journals, Cochrane Library, OpenGrey, and Clinical Trial Registry, till 18 February 2024.

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Effect of Different Chemical Solvents on Bond Strength of Orthodontic Brackets: An Study.

J Contemp Dent Pract

December 2023

Department of Oral & Maxillofacial Pathology & Oral Microbiology, AB Shetty Memorial Institute of Dental Sciences, NITTE (Deemed to be University), Mangaluru, Karnataka, India.

Aim: The purpose of the present study was to evaluate the impact of various chemical solvents on bond strength of orthodontic brackets.

Materials And Methods: One hundred healthy human premolars with undamaged buccal surfaces that were extracted for orthodontic purposes were gathered. Using 37% orthophosphoric acid, primer, and Transbond XT adhesive, ceramic 0.

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Aim: The aim of the present study was to assess the occlusal stress on the implant-abutment junction and implant-bone interface of a long-span implant-supported prosthesis made of two different prosthetic materials.

Materials And Methods: A computerized tomography of the mandible was used to get the finite element model of the bone. The comparative groups were made as follows: S1 and S2 - 3.

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Aim: To evaluate and compare the translucency of various commercially available zirconium oxide ceramic systems, i.e., Ceramill® Zolid Classic, Ceramill® Zi, and DD Bio ZX²71 by using a dual beam UV-visible spectrophotometer.

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Introduction: The SARS-CoV-2 virus introduction and subsequent COVID-19 pandemic have had a profound impact on normal dentistry, particularly periodontal treatment, around the world. This cross-sectional study aimed to evaluate the infection surveillance, emergency treatment, economic setbacks, and stress endured by periodontists of South India during COVID-19.

Methods: A cross-sectional study was conducted from March to July 2021 among periodontists in South India.

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Unlabelled: Congenital epulis is a rare benign lesion of new-born and occurs mostly as a single tumor. A new-born infant with congenital epulis is a striking sight for both parents and health care professionals involved in neonatal care. The tumor has a female predilection with the female to male ratio being 10:1.

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Context: The success of endodontic therapy depends on proper biomechanical preparation and obturation.

Aim: To evaluate and compare the pushout bond strength (POBS) of MTA Fillapex (MF) and BioRoot RCS (BRCS) sealers in endodontically treated teeth with different irrigants-5.25% Sodium hypochlorite (NaOCl), 17% ethylenediaminetetraacetic acid (EDTA) and 0.

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Aim: Aim of the current study was to assess the anticariogenic effectiveness of different fluoride varnishes on artificially induced enamel lesions employing scanning electron microscope.

Materials And Methods: Eighty healthy, normal premolars without dental caries that were extracted in course of orthodontic therapy with all the surfaces intact were included in this study. A window, 4 × 4 mm, was made discernible on the buccal surface of each sample tooth.

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Botulinum Toxin Type-A for the Treatment of Excessive Gingival Display on Smiling.

J Contemp Dent Pract

September 2020

Department of Orthodontics and Dentofacial Orthopedics, Mar Baselios Dental College, Kothamangalam, Kerala, India.

Aim And Objective: To determine the effect of botulinum toxin type-A (BTX-A) in reducing gummy smile.

Materials And Methods: This was an interventional case series conducted at a tertiary care setting in Mangaluru, Karnataka, India. Twenty patients with the gingival display of >3 mm were selected through convenience sampling technique.

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Aim: An study to evaluate and compare the remineralization potential of commercially available remineralizing agents containing silver diamine fluoride (SDF), casein sucrose phosphate (CSP), casein phospho peptide-amorphous calcium phosphate (CPP-ACP) using DIAGNOdent.

Materials And Methods: Thirty freshly extracted premolars for orthodontic treatment were collected. Specimens were randomly divided into 3 groups of 10 each: group I: SDF, group II: CSP, group III: CPP-ACP.

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Aim: To evaluate and compare the dentinal crack formation in root canal dentin after root canal instrumentation with hand K-Flex files, ProTaper Next, and self-adjusting engine-driven files.

Materials And Methods: Ninety-two human mandibular first molar teeth were randomly divided into four groups ( = 23) as per the instrumentation protocol: group I-unprepared teeth (control); group II-hand K-Flex files (Sybron Endo); group III-ProTaper Next X1 and X2 (Dentsply Maillefer); group IV-self-adjusting file (ReDent Nova, Israel). All the roots were sectioned perpendicular to the long axis of the tooth at 9 mm, 6 mm, and 3 mm from the apex and thereby obtaining sixty-nine samples, which were then subjected to a stereomicroscopic examination for detection of dentinal cracks.

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Mushrooms are macroscopic fungi which can be either epigeous or hypogeous and is estimated to be 140,000 on earth, yet only 10% are known. Since ancient time, it played a diverse role in human history for mycolatry, mycophagy and as medicine in folklore and religion. Many Asian and western countries consider mushrooms as panacea for a large number of diseases and utilized for consumption as a gourmet food for its taste as well as flavor.

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Dentin dysplasia Type I: A rare case report.

J Oral Maxillofac Pathol

January 2019

Department of Periodontics, St. Gregorios Dental College, Chelad, Kerala, India.

Dentin dysplasia (DD) is an uncommon developmental disturbance affecting dentin, resulting in enamel with atypical dentin formation and abnormal pulpal morphology. Type I (radicular) and Type II (coronal) are the two types of DD. Type I is more common, and both types include single or multiple teeth in primary and permanent dentition.

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This study investigates the hepatoprotective effect of a water-alcohol extract of the medicinal mushroom Phellinus caryophylli (Racib.) G. Cunn.

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The search for a nontoxic radioprotector has not yielded any promising results. Many antioxidant compounds, though effective under in vitro conditions as radioprotectors, have failed under in vivo settings due to their toxicity. The Indian medical system of Ayurveda uses a variety of plants with antioxidant potential, and these may be harboring molecules with radioprotective properties.

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Aims And Objectives: This study aims to establish the outcome of recasting on tensile strength, modulus of elasticity, and hardness of Nickel-chromium alloys.

Materials And Methods: Fifty wax patterns were fabricated, using the lost wax technique, the measurements of which were standardized. They were categorized into five groups of ten each.

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Plasma cell mucositis (PCM) is a rare benign proliferative disorder affecting various mucosal surfaces usually seen in elderly patients. In the present case, a 13-year-old young boy reported with the complaint of swollen upper lip and enlarged gums in relation to upper front teeth. The diagnosis of plasma cell mucositis is complex and frequently requires histopathological examination and immunohistochemistry.

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Tumor control by hypoxia-specific chemotargeting of iron-oxide nanoparticle - Berberine complexes in a mouse model.

Life Sci

February 2018

Mar Athanasios College for Advanced Studies, Thiruvalla 689101, India; St.Gregorios Dental College Research Centre, Kothamangalam, Kerala, India. Electronic address:

Aim: To evaluate the therapeutic efficacy of hypoxic cell-sensitizer Sanazole (SAN) -directed targeting of cytotoxic drug Berberine (BBN) and Iron-oxide nanoparticle (NP) complexes, to solid tumor in Swiss albino mice.

Main Methods: NP-BBN-SAN complexes were characterized by FTIR, XRD, TEM and Nano-size analyzer. This complex was orally administered to mice-bearing solid tumor in hind limb.

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Aim: The aim of this study was to evaluate the effect of lemon, ginger, garlic, and honey extracts on Streptococcus mutans.

Materials And Methods: Commercially obtained honey, ginger, garlic, and lemon were included in the study to evaluate its efficacy in isolation and in combination against S. mutans.

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Article Synopsis
  • The study aimed to evaluate tobacco use prevalence and related oral health issues among construction workers in Cochin, Kerala, India, finding that a significant majority of workers (1,952 out of 2,163) were tobacco users.
  • The research identified various oral mucosal lesions, with leukoplakia being the most prevalent condition (14.75%), indicating a strong link between tobacco use and oral health problems.
  • The findings highlight the urgent need for workplace screening and health services to address the high rates of tobacco use and oral lesions among these workers, emphasizing the impact of socioeconomic factors and education on health practices.
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Introduction: Continuing Professional Development (CPD) refers to skills and knowledge attained for both personal development and career advancement. In India, very few studies have been documented to discover the patterns of information update by dental practitioners.

Aim: To discover the educational tools that dentists of Hubli - Dharwad, Karnataka, India, prefer for updating their knowledge on new therapeutic methods and to assess the perceived usefulness of these CPD activities.

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Introduction: Periodontal disease is characterised by chronic infection and inflammation in periodontal tissues leading to destruction of alveolar bone with subsequent tooth loss. Periodontal infections are the result of an interaction between tooth associated microbial biofilms and the host defences. Periodontal pathogens can affect local and systemic immune and inflammatory responses.

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Effect of fluoridated water on intelligence in 10-12-year-old school children.

J Int Soc Prev Community Dent

December 2016

Department of Public Health Dentistry, St. Gregorios Dental College, Chelad, Kothamangalam, Ernakulam, Kerala, India.

Aim: The aim of the present study was to evaluate the relationship of drinking water fluoride levels with children's intelligence quotient (IQ).

Materials And Methods: Water was collected from initially identified endemic fluoride regions according to the geological research of Government of India. Fluoride concentration of the water was assessed by utilizing fluoride ion selective electrode, Orion 9609BN, and categorized on the basis of fluoride concentration into low, medium, and high-fluoride regions, i.

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Introduction: Prosthodontic practice involves procedures in which impressions of the maxillary and mandibular arches are mandatory. Cross infection is one of the major problems that can occur in regular dental practice. Every dentist should take utmost care to prevent cross infection as oral cavity is the source of variety of microorganisms which can often cause diseases that can be fatal.

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