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DENTISTRY (238 journals)                  1 2     

Showing 1 - 0 of 0 Journals sorted alphabetically
Ação Odonto     Open Access   (Followers: 1)
Acta Biomaterialia Odontologica Scandinavica     Open Access   (Followers: 1)
Acta Odontológica Colombiana     Open Access  
Acta Odontologica Scandinavica     Hybrid Journal   (Followers: 3)
Acta Odontologica Turcica     Open Access   (Followers: 1)
Actualités Odonto-Stomatologiques     Open Access   (Followers: 4)
Advances in Dental Research     Hybrid Journal  
Angle Orthodontist     Open Access   (Followers: 5)
Annals of Periodontology     Full-text available via subscription   (Followers: 4)
Annals of the Royal Australasian College of Dental Surgeons     Full-text available via subscription   (Followers: 4)
APOS Trends in Orthodontics     Open Access   (Followers: 1)
Australian Dental Journal     Hybrid Journal   (Followers: 5)
Australian Endodontic Journal     Hybrid Journal   (Followers: 3)
Avances en Odontoestomatologia     Open Access   (Followers: 1)
Avances en Periodoncia e Implantología Oral     Open Access   (Followers: 1)
Avicenna Journal of Dental Research     Open Access  
Balkan Journal of Dental Medicine     Open Access  
Bangladesh Journal of Dental Research & Education     Open Access  
Bangladesh Journal of Orthodontics and Dentofacial Orthopedics     Open Access   (Followers: 3)
Brazilian Dental Journal     Open Access   (Followers: 2)
Brazilian Dental Science     Open Access  
Brazilian Journal of Oral Sciences     Open Access   (Followers: 1)
Brazilian Oral Research     Open Access  
British Dental Journal     Hybrid Journal   (Followers: 15)
Bulletin du Groupement International pour la Recherche Scientifique en Stomatologie et Odontologie     Open Access  
Canadian Journal of Dental Hygiene     Full-text available via subscription  
Case Reports in Dentistry     Open Access   (Followers: 3)
City Dental College Journal     Open Access   (Followers: 1)
Cleft Palate-Craniofacial Journal     Hybrid Journal   (Followers: 7)
Clínica e Pesquisa em Odontologia - UNITAU     Open Access  
Clinical Advances in Periodontics     Full-text available via subscription   (Followers: 3)
Clinical and Experimental Dental Research     Open Access   (Followers: 1)
Clinical and Laboratorial Research in Dentistry     Open Access   (Followers: 1)
Clinical Implant Dentistry and Related Research     Hybrid Journal   (Followers: 7)
Clinical Oral Implants Research     Hybrid Journal   (Followers: 6)
Clinical Oral Investigations     Hybrid Journal   (Followers: 2)
Clinical, Cosmetic and Investigational Dentistry     Open Access   (Followers: 4)
Community Dentistry and Oral Epidemiology     Hybrid Journal   (Followers: 3)
Contemporary Clinical Dentistry     Open Access   (Followers: 4)
Critical Reviews in Oral Biology Medicine     Hybrid Journal   (Followers: 1)
Current Oral Health Reports     Hybrid Journal   (Followers: 1)
Current Research in Dentistry     Open Access   (Followers: 7)
Dental Abstracts     Full-text available via subscription   (Followers: 3)
Dental Cadmos     Partially Free   (Followers: 1)
Dental Clinics of North America     Full-text available via subscription   (Followers: 5)
Dental Forum     Open Access  
Dental Hypotheses     Open Access   (Followers: 3)
Dental Journal (Majalah Kedokteran Gigi)     Open Access  
Dental Materials     Full-text available via subscription   (Followers: 9)
Dental Press Journal of Orthodontics     Open Access   (Followers: 2)
Dental Protection Annual Review     Full-text available via subscription   (Followers: 1)
Dental Research Journal     Open Access   (Followers: 7)
Dental Traumatology     Hybrid Journal   (Followers: 4)
Dentistry     Open Access  
Dentistry 3000     Open Access  
Dentistry and Medical Research     Open Access  
Dentistry Journal     Open Access   (Followers: 3)
Dentomaxillofacial Radiology     Hybrid Journal   (Followers: 3)
Der Freie Zahnarzt     Hybrid Journal  
der junge zahnarzt     Hybrid Journal  
Die Quintessenz     Full-text available via subscription  
Disease-a-Month     Full-text available via subscription   (Followers: 5)
Droit et Médecine Bucco-Dentaire     Full-text available via subscription   (Followers: 1)
ENDO     Full-text available via subscription   (Followers: 6)
Endodontic Topics     Hybrid Journal   (Followers: 2)
Endodontie     Full-text available via subscription  
European Archives of Paediatric Dentistry     Hybrid Journal   (Followers: 1)
European Journal of Dental Education     Hybrid Journal   (Followers: 1)
European Journal of Dentistry     Open Access   (Followers: 2)
European Journal of Dentistry and Medicine     Open Access   (Followers: 2)
European Journal of Esthetic Dentistry     Full-text available via subscription   (Followers: 4)
European Journal of General Dentistry     Open Access   (Followers: 1)
European Journal of Oral Implantology     Full-text available via subscription   (Followers: 8)
European Journal of Oral Sciences     Hybrid Journal   (Followers: 1)
European Journal of Orthodontics     Hybrid Journal   (Followers: 4)
European Journal of Prosthodontics     Open Access   (Followers: 1)
Evidence Based Summaries in Dentistry     Full-text available via subscription   (Followers: 1)
Evidence-Based Dentistry     Full-text available via subscription   (Followers: 5)
Faculty Dental Journal     Full-text available via subscription   (Followers: 1)
Forum Ortodontyczne     Open Access  
Future Dental Journal     Open Access  
Giornale Italiano di Endodonzia     Open Access  
Implant Dentistry     Full-text available via subscription   (Followers: 6)
Implantologie     Full-text available via subscription   (Followers: 3)
Indian Journal of Dental Research     Open Access   (Followers: 4)
Indian Journal of Dentistry     Open Access   (Followers: 1)
Indian Journal of Multidisciplinary Dentistry     Open Access   (Followers: 1)
Indian Journal of Oral Health and Research     Open Access  
Indian Journal of Oral Sciences     Open Access   (Followers: 1)
Informationen aus Orthodontie & Kieferorthopädie     Hybrid Journal  
International Dental Journal     Hybrid Journal   (Followers: 1)
International Endodontic Journal     Hybrid Journal   (Followers: 1)
International Journal of Computerized Dentistry     Full-text available via subscription   (Followers: 3)
International Journal of Dental Hygiene     Hybrid Journal   (Followers: 2)
International Journal of Dental Research     Open Access   (Followers: 3)
International Journal of Dental Science and Research     Full-text available via subscription  
International Journal of Dental Sciences and Research     Open Access   (Followers: 1)
International Journal of Dentistry     Open Access   (Followers: 6)
International Journal of Implant Dentistry     Open Access   (Followers: 1)
International Journal of Odontostomatology     Open Access   (Followers: 1)
International Journal of Oral & Maxillofacial Implants     Full-text available via subscription   (Followers: 11)
International Journal of Oral & Maxillofacial Pathology     Open Access   (Followers: 6)
International Journal of Oral Health Sciences     Open Access  
International Journal of Oral Science     Open Access   (Followers: 1)
International Journal of Paediatric Dentistry     Hybrid Journal   (Followers: 2)
International Journal of Periodontics & Restorative Dentistry     Full-text available via subscription   (Followers: 10)
International Journal of Prosthodontics     Full-text available via subscription   (Followers: 4)
International Journal of Stomatological Research     Open Access  
International Orthodontics     Full-text available via subscription   (Followers: 3)
Japanese Dental Science Review     Open Access  
Journal of Adhesive Dentistry     Full-text available via subscription   (Followers: 4)
Journal of Applied Oral Science     Open Access  
Journal of Clinical Periodontology     Hybrid Journal   (Followers: 4)
Journal of Conservative Dentistry     Open Access   (Followers: 4)
Journal of Craniomandibular Function     Full-text available via subscription  
Journal of Dental and Allied Sciences     Open Access  
Journal of Dental Biomaterials     Open Access  
Journal of Dental Education     Full-text available via subscription   (Followers: 1)
Journal of Dental Implants     Open Access   (Followers: 8)
Journal of Dental Lasers     Open Access   (Followers: 2)
Journal of Dental Medicine     Open Access   (Followers: 1)
Journal of Dental Research     Hybrid Journal   (Followers: 5)
Journal of Dental Research and Review     Open Access   (Followers: 1)
Journal of Dental Sciences     Open Access  
Journal of Dental, Oral and Craniofacial Epidemiology     Open Access   (Followers: 1)
Journal of Dentistry     Hybrid Journal   (Followers: 2)
Journal of Dentistry and Oral Hygiene     Open Access   (Followers: 1)
Journal of Dentistry for Children     Full-text available via subscription   (Followers: 2)
Journal of Dentistry Indonesia     Open Access  
Journal of Dentofacial Anomalies and Orthodontics     Full-text available via subscription   (Followers: 2)
Journal of Education and Ethics in Dentistry     Open Access   (Followers: 5)
Journal of Endodontics     Full-text available via subscription   (Followers: 2)
Journal of Esthetic and Restorative Dentistry     Hybrid Journal   (Followers: 4)
Journal of Evidence Based Dental Practice     Full-text available via subscription   (Followers: 2)
Journal of Forensic Dental Sciences     Open Access   (Followers: 4)
Journal of Indian Academy of Dental Specialist Researchers     Open Access  
Journal of Indian Academy of Oral Medicine and Radiology     Open Access   (Followers: 3)
Journal of Indian Association of Public Health Dentistry     Open Access   (Followers: 1)
Journal of Indian Orthodontic Society     Open Access   (Followers: 1)
Journal of Indian Prosthodontic Society     Open Access  
Journal of Indian Society of Periodontology     Open Access  
Journal of Interdisciplinary Dentistry     Open Access   (Followers: 5)
Journal of International Society of Preventive and Community Dentistry     Open Access   (Followers: 2)
Journal of Investigative and Clinical Dentistry     Hybrid Journal   (Followers: 2)
Journal of Isfahan Dental School     Open Access  
Journal of Istanbul University Faculty of Dentistry     Open Access  
Journal of Minimum Intervention in Dentistry     Full-text available via subscription  
Journal of Oral & Facial Pain and Headache     Full-text available via subscription   (Followers: 2)
Journal of Oral and Maxillofacial Radiology     Open Access   (Followers: 2)
Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology     Full-text available via subscription   (Followers: 4)
Journal of Oral Biosciences     Hybrid Journal   (Followers: 3)
Journal of Oral Health and Oral Epidemiology     Open Access  
Journal of Oral Implantology     Hybrid Journal   (Followers: 5)
Journal of Oral Microbiology     Open Access   (Followers: 1)
Journal of Oral Research     Open Access  
Journal of Oral Research and Review     Open Access  
Journal of Orthodontic Research     Open Access   (Followers: 2)
Journal of Orthodontic Science     Open Access   (Followers: 2)
Journal of Orthodontics     Hybrid Journal   (Followers: 4)
Journal of Pediatric Dentistry     Open Access   (Followers: 1)
Journal of Periodontology     Full-text available via subscription   (Followers: 5)
Journal of Pierre Fauchard Academy (India Section)     Full-text available via subscription  
Journal of Prosthetic Dentistry     Full-text available via subscription   (Followers: 4)
Journal of Public Health Dentistry     Hybrid Journal   (Followers: 1)
Journal of Research in Dentistry     Open Access   (Followers: 1)
Journal of Research in Medical and Dental Science     Open Access   (Followers: 1)
Journal of Restorative Dentistry     Open Access   (Followers: 3)
Journal of Stomatology (Czasopismo Stomatologiczne)     Open Access  
Journal of the American Dental Association     Full-text available via subscription   (Followers: 4)
Journal of the Canadian Dental Association     Full-text available via subscription   (Followers: 3)
Journal of the International Clinical Dental Research Organization     Open Access  
Journal of Theory and Practice of Dental Public Health     Open Access  
Kieferorthopädie     Full-text available via subscription  
King Saud University Journal of Dental Sciences     Open Access  
L'Orthodontie Française     Full-text available via subscription   (Followers: 2)
Médecine Buccale Chirurgie Buccale     Open Access   (Followers: 1)
Medicina Oral, patología oral y cirugía bucal     Open Access  
Nigerian Dental Journal     Full-text available via subscription   (Followers: 1)
Nowa Stomatologia     Open Access  
Odontoestomatología     Open Access  
Odontología     Open Access  
Odontology     Hybrid Journal  
Odovtos - International Journal of Dental Sciences     Open Access   (Followers: 1)
Open Journal of Dentistry and Oral Medicine     Open Access  
Open Journal of Implant Dentistry     Open Access   (Followers: 3)
Operative Dentistry     Hybrid Journal   (Followers: 4)
Oral Biology and Dentistry     Open Access   (Followers: 2)
Oral Diseases     Hybrid Journal   (Followers: 3)
Oral Health & Preventive Dentistry     Full-text available via subscription   (Followers: 3)
Orthodontic Journal of Nepal     Open Access   (Followers: 1)
Orthodontic Waves     Full-text available via subscription   (Followers: 2)
Orthodontics & Craniofacial Research     Hybrid Journal   (Followers: 3)
Parodontologie     Full-text available via subscription   (Followers: 1)
Pediatric Dental Journal     Full-text available via subscription  
Pediatric Dentistry     Full-text available via subscription   (Followers: 1)
Periodontology 2000     Hybrid Journal   (Followers: 4)
Pesquisa Brasileira em Odontopediatria e Clinica Integrada     Open Access  
Pesquisa Odontológica Brasileira     Open Access  
Prevenzione & Assistenza Dentale     Full-text available via subscription  
Primary Dental Journal     Full-text available via subscription  

        1 2     

Journal Cover Journal of Dental Medicine
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   ISSN (Print) 1024-641X - ISSN (Online) 2008-2444
   Published by Tehran University of Medical Sciences Homepage  [17 journals]
  • Evaluation of basic standards in the general dentistry teaching program
           approved in Islamic Republic of Iran from dental schools viewpoint

    • Authors: Makarem Abbas
      Abstract:   Background and Aims: The importance of quality in medical education makes the need for better standards in educational systems in the center of interest as the basis for certification. Standards needed to be evaluated by program administrators before the implementation phase. The purpose of this study was to evaluate the general dentistry standards program in Islamic republic of Iran from dental schools view point.   Materials and Methods: This descriptive study was performed during the year 2011 and 2012. A list of 16 faculties was introduced by the dental secretariat of the Ministry of Health and Medical Education. A check list was conducted based on the basic standards of undergraduate dental program that consisted of the importance and feasibility of each standard. The checklist was evaluated by sixteen dental schools representatives and asked their faculty members and reported back to the dental secretariat of the Ministry of Health. Results were reported in descriptive statistics manner.   Results: Data were collected from 14 dental schools. (Response rate=87%). All of the criteria were essential with more than 85% agreement of the faculties. There were more than 70% of criteria that were not feasible in less than one year.   Conclusion: The dental standard program was widely accepted by the faculties over the country. However, it seemed that by the faculties it would fail if used as accreditation base line.
       
  • Effectiveness of an educational pamphlet for mothers on cooperation of 3-7
           years old children in the first dental visit

    • Authors: Ghadimi Sara
      Abstract:   Background and Aims: Dental environment is a stressful place for children. In many cases, parents transmit their anxiety to their children in the first dental visit. Mothers as the closest person to the children may have important influence on their children’s behavior in dentistry. The purpose of this study was to evaluate the effectiveness of an educational pamphlet for mothers on children’s behavior in the first dental visit.   Materials and Methods: This study was conducted on 238 mothers who had 3-7 years old children undergoing dental treatment for the first time. The participants were divided into interventional and control group randomly. Behavior of children was assessed by questionnaire according to 4 point scale of Frankle. The questionnaire contained 5 parts: separation of child from the mother, entering the dental room, opening the mouth, communicating with dentist, getting the prize. Data were analyzed using Chi-square test.   Results: The educational pamphlet was effective on the separation of child from the mother, the cooperation of children in interventional group was better than the control group (P=0.006). In interventional group 96.2% of and in the control group 90.8% of children had good and very good behavior but the difference was not significant (P=0.11).   Conclusion: Although the educational pamphlet was effective on the separation of child from mother. No significant difference in behavior of 3-7 year-old children between interventional and control group was found.
       
  • Oral health knowledge among pre-clinical students of International Branch
           of Shiraz University of Medical Sciences

    • Abstract:   Background and Aims: Oral health is an important issue in public health with a great impact on individuals’ general health status. A good access to oral healthcare services and a good knowledge of it play a key role in the oral disease prevention. A better health attitude and practice require a better knowledge. The aims of this study was to evaluate the oral health knowledge among the International students branch (Kish) of Shiraz University of Medical Sciences in 2011-12.   Materials and Methods: 159 pre-clinical students in medicine (54 students), dentistry (69 students) and pharmacy (36 students) participated in this research. A standard questionnaire was used as the main tool of research to evaluate the attitude and knowledge of students about the oral health. Data were analyzed using Chi-square test.   Results: According to the results, dental students had the best level of knowledge and pharmacy students had a better knowledge level compared to the medical students. The results also showed a significant relationship between students’ oral health knowledge and their field and duration of study and the place of their secondary school (P0.05).   Conclusion: The results showed that the students at the International Branch of Shiraz University of Medical Sciences had a relatively good knowledge of oral health. Students’ knowledge level can be improved by providing students with educational materials, organized workshops and seminars.
       
  • The efficacy of treatment performed for temporomandibular joint patients
           at dental school of Tehran University of Medical Sciences

    • Authors: Sahebi Majid
      Abstract:   Background and Aims: Temporomandibular joint disorders are common problems among patients referring to dental schools and clinics. However appropriate treatment modalities are performed for the TMD patients in dental school, the results and success rate of these treatments are not studied distinctly. The aims of this study was to determine the treatment performed for temporomandibular patients at the TMJ department of Tehran University dental school in 2010-11 .   Materials and Methods: In a descriptive cross-sectional trial, 85 TMD patients treated at the TMJ department of Tehran University dental school were examined at least 3 months after the treatments. The patients demographic data ,TMD signs and symptoms and the improvements occurred in TMD disorder were determined (complete, partial and no improvement). The patients satisfaction regarding the treatment results were investigated and data were analyzed regarding the presence of different TMD signs and symptoms before and after the treatment using Mann-Whitney U test .   Results: TMJ pain (35 cases, 42.2%), click (33 cases, 39.8%) and muscle tenderness (26 cases, 31.3%) were the most prevalent obtained signs and symptoms. The mean age of the patients were 32.3 years old while females were the predominant group (72 cases vs.11 one). 44 individuals (53.0%) were treated by splint, 11 ones (13.3%) with anterior repositioning splint and 17 individuals (92.5%) were managed by physiotherapy plus splint. 65 patients (87.3%) were satisfied with the results and 16 ones (19.3%) were not. After the treatment, patients with TMJ pain (P
       
  • A review on the oxidative stress in recurrent aphtous stomatitis

    • Authors: Mortazavi Nazanin
      Abstract:   Background and Aims: The purpose of the present study was to review the studies regarding serological and salivary oxidant / antioxidant status in patients with recurrent aphthous stomatitis (RAS).   Materials and Methods: The literature was searched using key words RAS, Antioxidants, Saliva, Hematinic (s) and Hematinic Acid in the last 10 years, particularly the recent 3 years (2010-2013). At total of 37 clinical trials, 18 case-control articles were selected and evaluated; fulfilling the requirements as the RAS patients having at least 3 oral aphthous attack per year. The exclusion criteria included systemic as well as periodontal diseases, iron deficiency associated anemia, medication usage and smoking.   Conclusion: Almost all lipid-peroxidation studies in serum and saliva were manifested by an increase of malondialdehyde (MDA) concentration in RAS patients compared with controls. This would indicate the role of reactive oxygen species (ROS) in the etiology of the disease. Serum trace elements (Zn, Se) were reduced and Cu was increased in RAS patients in comparison with control individuals. A decreased serum superoxide dismutase (SOD) and an increased salivary SOD were observed in all RAS patients. Catalase (CAT) and uric acid (UA) analyses were non-inclusive. Levels of paraoxonase and arylesterase as well as antioxidant vitamins (A, E, C) were lower in RAS patients than that of controls.
       
  • The relationship between the palatoglossal space error of the panoramic
           images and skeletal relationship

    • Authors: Romoozi Elham
      Abstract:   Background and Aims: In the panoramic images, palatoglossal space error develops when the patient is unable to put the tongue against the mouth roof. In the case of this error, the radiographic diagnosis of the area is made with some difficulties or ever the image may lose its diagnostic ability. The aim of the present study was to investigate the relationship between the palatoglossal space error of the panoramic images and skeletal relationship.   Materials and Methods: In this descriptive cross-sectional trial, 494 panoramic images were selected at the orthodontic department of Tehran dental school archive and the existence of the palatoglossal space was determined. The palatoglossal space error was statistically analyzed using chi-square test regarding the patients’ gender, age and skeletal relationships.   Results: Of total panoramic images, 346 (70.0%) cases showed palatoglossal space error while 148 (30.0%) images were free from this error. Furthermore, 74.1% of male images and 66.9% of female images showed palatoglossal space error. In Cl I (1˂ANB≤3), Cl II and Cl III patients; 65.6%, 73.1% and 67.4% of the images demonstrated the error, respectively. The incidence of palatoglossal space error in 5-14 and 15 years old age or higher patients were 72.2% and 58.8%, respectively.   Conclusion: It was concluded that n o significant difference w as noted between the incidences of the palatoglossal space error regarding the patients’ gender or their skeletal relationships . T he error frequency was significantly decreased with age .
       
  • Effect of ultrasonic vibration time on the retention of prefabricated
           posts luted with two different cements

    • Authors: Dastgurdi Maziar Ebrahimi
      Abstract:   Background and Aims: In case of nonsurgical endodontic re-treatment or replacing a restoration, one of the best methods for removing post from the canal is using an ultrasonic vibration. The aim of this study was to evaluate the effect of ultrasonic vibration time on the retention of post luted with zinc phosphate or glass ionmer cements.   Materials and Methods: 96 sound extracted lower premolars were selected. The coronal section of specimen was removed and the roots were endodontically treated. A 9-mm post space was prepared in each specimens and a stainless steel Parapost XP was cemented into the post space. Half of the specimens were cemented with the Zinc phosphate cement and the other by g lass ionomer cement. After 7 days of storage, both groups were equally divided into 4 subgroups of 12 teeth. Control group did not receive any treatment. The other subgroups subjected to ultrasonic vibration for 4, 8 or 12 minutes. The retention of all specimens was evaluated and data were analyzed using ANOVA and Tukey tests.   Results: In control (no ultrasonic) group and 4 minute ultrasonic group, the retention of posts luted with Zinc phosphate cement were not significantly differen t from those luted with g lass ionomer cement. (P=0.372). On the other hand , applying of ultrasonic vibration for 8 and 12 minutes in zinc phosphate and 12 minutes in g lass ionomer caused a significant reduction in the retention of posts (P=0.01).   Conclusion: Although, the initial retention of two cements was not different, the ultrasonic vibration had more catastrophic effect on zinc phosphate in comparison to glass ionomer.
       
  • The Viral Efficacy of three Disinfectants on Hepatitis B virus

    • Authors: Darvishpour Hojat
      Abstract:   Background and Aims: Hepatitis B is an important infection route in dentistry requiring different disinfectants to prevent its transmission. The aim of this study was to compare the effects of chemical disinfectants (FD366, ISORAPID and 5% sodium hypochlorite 2/100) to remove Hepatitis B infections from the dental surfaces.   Materials and Methods: In this experimental laboratory trial, serum of 10 HBV patients was poured into microtubes, FD366, ISORAPID and hypochlorite disinfectants were added to them. PCR experiments with viral diagnostic kits were used to diagnose the virus genome. Real time PCR was used to evaluate after incubation with the disinfectants. The reductions occurred in the viral load of Hepatitis B were statistically analyzed using Kruskal-wallis and Mann-Whitney U tests .   Results: No significant antiviral efficacy was noted following the application of FD366 and ISORAPID disinfectants (P=0/07). However, hypochlorite showed the most efficacy to disinfect Hepatitis B and a significant difference was found among them (P
       
  • Evaluation of Iranian toothpaste containing different concentrations of
           nano-hydroxyapatite on the remineralization of incipient carious lesions:
           in vitro

    • Authors: Zeinabadi Mehdi Salehi
      Abstract:   Background and Aims: Dental caries is one of the most common infectious diseases which could be prevented in various ways. The aim of the present study was to evaluate the effect of a toothpaste containing different concentrations of nano-hydroxyapatite on the remineralization of incipient caries.   Materials and Methods: 9 sound first premolar teeth of maxilla and mandible were sectioned to four pieces. 6 specimens were stored in distilled water as control group. The remaining 30 specimens were demineralized for 72 hours and then their microhardness was measured. 0, 0.5, 1, 2 and 5% wt nano-hydroxyapatite were added to the solution of distilled water and toothpaste. Specimens were divided into 5 groups (N=6) and after demineralization, each group were randomly immersed in the above-mentioned solutions for 15 minutes. Next, specimens were kept in artificial saliva for 1 hour followed by immersion in the related remineralizing solution for another 15 minutes. This procedure was repeated for 5 days. Finally, the microhardness of the teeth was measured. Data were analyzed using repeated measures analysis of variance (ANOVA).   Results: The microhardness of demineralized teeth was increased following exposure to different concentrations of nano-hydroxyapatite, but this increase was not statistically significant (P=0.62).   Conclusion: Nano-hydroxy apatite can enhance remineralization and increase the tooth microhardness although this increase was not significant.
       
  • A comparative study of pain following endodontic treatment under general
           anesthesia

    • Authors: Saatchi Masoud
      Abstract:   Background and Aims: Postoperativee endodontic pain is an outstanding problem for dental patients. Therefore, a successful management of endodontic pain has become as one of the main dental objectives. The aim of the present study was to compare the postoperative endodontic pain in patients under general anesthesia versus local anesthesia.   Materials and Methods: For conducting this clinical trial study, 50 patients having mandibular molars candidate for root canal therapy were selected. Twenty-five patients treated under general anesthesia because of their fear, anxiety or gag reflex. Other 25 patients treated under local anesthesia. All teeth were prepared using engine-driven rotary system in a crown-down technique and filled using lateral condensation technique. Heft- parker visual analog scale was used to measure the degree of pain at 6, 12, 24, and 48 hours after the treatment. Mann-Whitney, Chi-square, and T-tests were used to compare the intensity of postoperative pain between the groups.   Results: The mean intensity of postoperative pain in local and general anesthesia groups at 6, 12 and 24 hours had statistically significant difference (P
       
  • Marginal microleakage of class V composite restorations before and after
           AFP gel application

    • Authors: Malekzadeh Mohammad
      Abstract:   Background and Aims: The most effective preventing tooth decay method is fluoride compounds applications. Some studies suggested that APF gels caused changes on the superficial physical properties of composite. Therefore, the purpose of this study was to evaluate the marginal microleakage of class V composite restorations before and after AFP gel application.   Materials and Methods: The class V cavities in buccal surfaces of 45 molar teeth were made in such a way that occlusal margin was placed in enamel and cervical margin in cement. In group 1, at first fluoride-therapy and then cavity preparation and restoration by composite resin was done. In group 2, at first the class V cavities were prepared and restored, then fluoride-therapy was carried out. In group 3, cavities were prepared and restored with no fluoride-therapy. The dye penetration rate in occlusal and cervical margins was examined by stereomicroscope. Data were statistically analyzed using Kruskal-Wallis and Mann-Whitney test.   Results: There was no statistically significant difference between groups ( P=0.975).   Conclusion: Fluoride-therapy using AFP gel before and after class V composite restorations, had no significant effect on the microleakage of dentin and enamel margins.
       
  • The effect of nano-hydroxyappatite solution on the permanent tooth
           remineralization following exposure to soft beer (in situ)

    • Authors: Haghgoo Roza
      Abstract:   Background and Aims: The main cause of erosion is acid exposure . Side effects of erosion necessitate therapeutic agents’ uses. The aim of this study was to investigate the effects of nano- hydroxy apatite in tooth remineralization following exposure to soft beer.   Materials and Methods: This in vitro experimental study was conducted on 18 human impacted third molars that had been surgically extracted. The microhardness of specimens was measured. Then teeth were exposed to soft beer and their secondary microhardness was measured. The teeth were divided into 2 groups (water and nano-hydroxy apatite solution) and were placed on 9 orthodontics appliances and delivered to 9 volunteers. These volunteers placed the tooth on one side in water for 5 minutes and the tooth in opposite side in nano-hydroxyapatite solution. This application was repeated 6 times a day for 10 days. The microhardness of teeth was measured again. Data were analyzed using Paired T-test.   Results: The tooth enamel microhardness reduced after exposure to soft beer significantly (P=0.04). The microhardness of 9 teeth after being in water showed significant changes (P=0.012). The microhardness of 9 teeth significantly changed after exposure to nano -hydroxyapatite solution (P=0.001) .   Conclusion: Based on the results of this study, 10% solution of nano- hydroxy appatite could restore the erosive lesions .
       
 
 
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