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Ravlyk L, Warunek S, Covell D, Tanberg W, Al-Jewair T. Comparison of GUMMETAL® and stainless steel alloy during canine retraction: A pilot split-mouth randomized controlled trial. Int Orthod 2023; 21:100810. [PMID: 37774499 DOI: 10.1016/j.ortho.2023.100810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 10/01/2023]
Abstract
OBJECTIVES A TiNb alloy wire (GUMMETAL® [GM], Toyota Central R&D Labs, Inc., Nagakute, Japan) was recently developed with unique properties for orthodontic applications. This pilot split-mouth randomized controlled trial compared maxillary canine retraction during space closure using sliding mechanics on GM vs. stainless steel (SS) archwires. METHODS Subjects who met the inclusion criteria were treated with fixed appliances and maxillary first-premolar extractions between September 2020 and March 2022. After leveling and aligning, maxillary archwires, fabricated by crimping together segments of 0.016×0.022" GM and SS archwires, were placed and canine retraction initiated using nickel-titanium coil springs. Digital models of the maxillary arch were superimposed at 0, 4, 8 and 12 weeks and the amount of canine movement (mm), rate of movement (mm/month), and 3-dimensional changes (rotational, vertical extrusion, tip) were measured and compared statistically. RESULTS Of the 12 subjects recruited, only six completed the study with a median age of 15.8 years (12.0-17.4 years). At 12 weeks, the median canine retraction was 3.41mm (IQR: 2.10, 4.76) with GM versus 3.71mm (IQR: 1.62, 6.45) with SS. The retraction rate was 1.14mm/month (IQR: 0.69, 1.59) with GM, versus 1.24mm/month (IQR: 0.54, 2.15) with SS. The median rotational, vertical and tip changes of the canine were 7.90̊, 0.59mm and 6.15̊ with GM, and 7.25̊, 0.29mm and 2.05̊ with SS. Intergroup differences with all measurements were not statistically significant. CONCLUSION No significant differences were found between GM and SS during maxillary canine retraction. GM demonstrated clinical potential for space closure mechanics, however, future larger studies are needed.
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Affiliation(s)
- Lubomyr Ravlyk
- Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, United States
| | - Stephen Warunek
- Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, United States
| | - David Covell
- Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, United States
| | - William Tanberg
- Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, United States
| | - Thikriat Al-Jewair
- Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, United States.
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Beymouri A, Yaghobee S, Khorsand A, Safi Y. Comparison of morbidity at the donor site and clinical efficacy at the recipient site between two different connective tissue graft harvesting techniques from the palate: A randomized clinical trial. J Adv Periodontol Implant Dent 2023; 15:108-116. [PMID: 38357340 PMCID: PMC10862051 DOI: 10.34172/japid.2023.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/26/2023] [Indexed: 02/16/2024]
Abstract
Background This study was conducted to compare the pain levels in patients and the clinical efficacy of grafts obtained using two techniques, namely de-epithelialized gingival graft (DGG) and subepithelial connective tissue graft (SCTG), in combination with coronally advanced flap (CAF) for the treatment of multiple adjacent gingival recessions. Methods Twelve patients were treated using DGG+CAF on one side and SCTG+CAF on the other. The patients' pain levels at the surgical site, the number of analgesics taken on days 3 and 7, the mean root coverage (MRC), the percentage of complete root coverage (CRC), color match, and gingival thickness (GT) at the graft recipient site were evaluated 6 months after surgery. Results The total number of analgesics taken during the 7-day period after surgery and pain levels at the surgical site from day 3 to day 7 were significantly higher in the DGG+CAF group compared to the SCTG+CAF group (P=0.001). In the 6-month follow-up, color match and CRC were significantly higher in the SCTG+CAF group, while GT was significantly higher in the DGG+CAF group. There was no significant difference in MRC between the two groups. Conclusion The pain and analgesic consumption levels were higher in the DGG+CAF group compared to the SCTG+CAF group, and the recipient site had a weaker color match. However, this technique can lead to a greater increase in the thickness of the grafted area.
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Affiliation(s)
- Amine Beymouri
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Siamak Yaghobee
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Afshin Khorsand
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Yaser Safi
- Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Abdrabuh RE, Meligy OAESE, Felemban OM, Farsi NMA. Evaluation of the Erbium-doped Yttrium Aluminum Garnet Laser and the Conventional Method on Pain Perception and Anxiety Level in Children during Caries Removal: A Randomized Split-mouth Study. Int J Clin Pediatr Dent 2023; 16:S39-S44. [PMID: 37663205 PMCID: PMC10474393 DOI: 10.5005/jp-journals-10005-2634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023] Open
Abstract
Aim and objective To assess and compare children's anxiety level and pain perception during cavity preparation using an erbium-doped yttrium aluminum garnet (Er:YAG) laser vs traditional rotational treatment. Materials and methods A randomized, controlled, split-mouth clinical trial was carried out in 35 healthy children with 70 carious primary molars. Teeth were divided equally into two groups according to the method of treatment. A bur was used to prepare the cavity in one quadrant, while an Er:YAG laser was used to prepare the cavity in the other quadrant. Anxiety was assessed using Venham's dental anxiety scale and a fingertip pulse oximeter. The pain was assessed using the Wong-Baker Face Pain Rating Scale, and the number of local anesthesia (LA) needed during both procedures was also considered. Results The mean age was 9.4 ± 1.29. Males accounted for 51.4% of the participants. There were no statistically significant variations in pulse rate at the baseline between Er:YAG laser and the conventional treatments. The mean pulse rate was higher during the conventional intervention than during the laser intervention; this difference was statistically significant vs the baseline pulse rate. The mean pulse rate with the conventional method was significantly higher during and after cavity formation than with the laser method. The Er:YAG laser and the conventional groups showed statistically significant differences in the Venham's and Wong-Baker scores. The scores of both scales were much higher in the conventional group. The number of participants who requested LA during the conventional technique was significantly higher than during the laser procedure. Conclusion Using Er:YAG lasers to remove caries produces minimal pain and anxiety and reduces the requirement for LA. Clinical significance During cavity preparation, the Er:YAG laser helps children stay calm. How to cite this article Abdrabuh RE, El Meligy OAES, Felemban OM, et al. Evaluation of the Erbium-doped Yttrium Aluminum Garnet Laser and the Conventional Method on Pain Perception and Anxiety Level in Children during Caries Removal: A Randomized Split-mouth Study. Int J Clin Pediatr Dent 2023;16(S-1):S39-S44.
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Affiliation(s)
- Raghdah E Abdrabuh
- Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Omar Abd El Sadek El Meligy
- Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia; Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Osama M Felemban
- Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Najat MA Farsi
- Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
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Attia S, Austermann T, May A, Mekhemar M, Conrad J, Knitschke M, Böttger S, Howaldt HP, Riad A. Pain perception following computer-controlled versus conventional dental anesthesia: randomized controlled trial. BMC Oral Health 2022; 22:425. [PMID: 36138388 PMCID: PMC9502910 DOI: 10.1186/s12903-022-02454-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 09/09/2022] [Indexed: 12/03/2022] Open
Abstract
Background The administration of local anesthesia (LA) in dental practice requires an injection which is the leading cause of patients’ fear and anxiety. Computer-controlled local anesthetic injector, designed to reduce the pain of performing local anesthesia by controlling the speed of injection. This single-blind randomised control trial aimed to compare the pain perception after computer-controlled local anesthesia (CCLA) and conventional LA. Methods Dental students were both test and operator group versus an experienced dentist as additional operator of the LA. Data were collected regarding gender, age, medical condition, smoking habits. Additionally, operator feedback about the handling, pain at insertion and during infiltration, excitement (Dental Anxiety Scale), and complications were assessed. Results Out of the 60 included participants, the majority were females (n = 41; 68.3%), medically healthy (n = 54; 90%), and did not receive medications (n = 54; 90%). While the participating students administered 62 (51.7%) injections, the experienced dentist administered 58 (48.3%) injections. The difference in pain perception on puncture between CCLA and conventional injections was not statistically significant (Sig. = 0.285); however, pain perception during injection was significantly different (Sig. = 0.029) between CCLA (1.65 ± 1.93) and conventional injections (2.49 ± 2.31). Conclusion The professional experience influenced the pain perception while applying the LA. CCLA did not reduce pain on puncture significantly; however, pain perception during the injection was significantly reduced in the case of using CCLA devices compared to the conventional syringe.
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Affiliation(s)
- Sameh Attia
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany.
| | - Thomas Austermann
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany
| | - Andreas May
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany
| | - Mohamed Mekhemar
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Kiel University, Arnold-Heller-Str. 3, Haus B, 24105, Kiel, Germany
| | - Jonas Conrad
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Kiel University, Arnold-Heller-Str. 3, Haus B, 24105, Kiel, Germany
| | - Michael Knitschke
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany
| | - Sebastian Böttger
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany
| | - Hans-Peter Howaldt
- Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, Klinikstrasse 33, 35392, Giessen, Germany
| | - Abanoub Riad
- Department of Public Health, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic.,Czech EBHC: JBI Centre of Excellence, Institute of Biostatistics and Analyses, Faculty of Medicine, Czech National Centre for Evidence-Based Healthcare and Knowledge Translation (Cochrane Czech Republic, Masaryk University GRADE Centre), Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
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Hatirli H, Yasa B, Çelik EU. Clinical performance of high-viscosity glass ionomer and resin composite on minimally invasive occlusal restorations performed without rubber-dam isolation: a two-year randomised split-mouth study. Clin Oral Investig 2021; 25:5493-5503. [PMID: 33683465 DOI: 10.1007/s00784-021-03857-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 02/22/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE The aim of this clinical trial was to evaluate the 2-year clinical performances of high-viscosity glass ionomer and nanohybrid resin composite restorations performed without rubber dam isolation. MATERIALS AND METHODS Occlusal carious lesions on the right and left mandibular second molars of 56 patients (26 female, 30 male patients) were restored in a split-mouth design. High-viscosity glass ionomer (Hv-GIC) (Equia, GC) and nanohybrid resin composite (GrandioSO, Voco) were used as restorative materials. Clinical evaluations of the restorations were performed according to the Fédération Dentaire Internationale criteria. Data were analysed using the Friedman's analysis of variance and Mann-Whitney U tests (α=0.05). RESULTS After 2 years, the success rate of Hv-GIC restorations was 96% and that of resin composite restorations was 100%. Hv-GIC showed lower marginal discoloration and greater surface wear and loss of anatomic form (p<0.05). Resin composite showed significantly better surface lustre. CONCLUSION The 2-year performance of resin composite was similar to that of Hv-GIC for the occlusal restorations of mandibular second molars, in spite of being performed without rubber-dam isolation. CLINICAL RELEVANCE Saliva contamination can be a clinically significant problem for dental restorations. High-viscosity glass ionomers are a satisfactory alternative to resin composites with the advantage of fast application in such situations. TRIAL REGISTRATION Clinical Trials Registration number-date: NCT04488380-22/07/2020, retrospectively registered.
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Affiliation(s)
- Hüseyin Hatirli
- Department of Restorative Dentistry, Faculty of Dentistry, Tokat Gaziosmanpasa University, 60030, Tokat, Turkey.
| | - Bilal Yasa
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
| | - Esra Uzer Çelik
- Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
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