Displaying publications 1 - 20 of 75 in total

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  1. Abdul,Ghani,S,H,, Mohd,Ali,N,D,
    Compendium of Oral Science, 2020;7(1):44-50.
    MyJurnal
    Abstract
    Introduction: Orthodontic treatment even though managed and properly controlled , on some remote occasion
    may lead to presence of unwanted movement. Anterior open bite is one such example of an iatrogenic
    outcome. This article describes the management of an iatrogenic anterior open bite case that occurred in active
    orthodontic treatment in the early stage of leveling and aligning. A few modalities had been employed to
    manage the open bite through some artistic bends followed by the use of modified low transpalatal arch with
    extended looped arms with loops as well as orthodontic mini implants for distalisation and some intrusion
    mechanics. This case report is aimed to share authors’ anecdotal experience on overcoming the open bite.
    Matched MeSH terms: Dental Implants
  2. Abdulhadi LM
    Chin J Dent Res, 2010;13(1):61-6.
    PMID: 20936194
    A 70-year-old man who suffered from extensive extra and intraoral defects was rehabilitated with a prosthesis using multiple retaining means. The treatment was performed in two parts: externally involving the construction of an episthesis supported only by the remaining intact boundaries of the defect and retained by mini-dental implants and spectacle frame with a modified ear hook; and intraorally by an acrylic resin obturator to restore the function of the hemi-sectioned hard and soft palate. The episthesis was securely retained with minimal movement and/or dislodgment of the prosthesis during function. Multiple retentive techniques may be used to fix heavy external prostheses as an alternative to conventional implants or biological adhesives.
    Matched MeSH terms: Dental Implants
  3. Abohabib AM, Fayed MM, Labib AH
    J Orthod, 2018 09;45(3):149-156.
    PMID: 29874972 DOI: 10.1080/14653125.2018.1481710
    OBJECTIVE: To investigate the effect of low-intensity laser therapy on mini-implant stability using resonance frequency analysis during canine retraction with fixed appliances.

    DESIGN: A split-mouth randomised clinical trial.

    SETTING: Subjects were recruited and treated in the outpatient clinic, Department of Orthodontics, Faculty of Dentistry, Cairo University.

    PARTICIPANTS: Fifteen subjects with mean age 20.9 (±3.4) years who required extraction of maxillary first premolar teeth and mini-implant-supported canine retraction.

    METHODS: Thirty orthodontic mini-implants were inserted bilaterally in the maxillary arches of recruited subjects following alignment and levelling. Mini-implants were immediately loaded with a force of 150 g using nickel titanium coil springs with split-mouth randomisation to a low-intensity laser-treated side and control side. The experimental sides were exposed to low-intensity laser therapy from a diode laser with a wavelength of 940 nm at (0, 7, 14, 21 days) after mini-implant placement. Mini-implant stability was measured using resonance frequency analysis at (0, 1, 2, 3, 4, 6, 8, 10 weeks) after implant placement.

    RESULTS: A total sample of 28 mini-implants were investigated with 14 in each group. Clinically, both mini-implant groups had the same overall success rate of 78.5%. There were no significant differences in resonance frequency scores between low-intensity laser and control sides from baseline to week 2. However, from week 3 to 10, the low-intensity laser sides showed significantly increased mean resonance frequency values compared to control (P > 0.05).

    CONCLUSIONS: Despite evidence of some significant differences in resonance frequency between mini-implants exposed to low-intensity laser light over a 10 weeks period there were no differences in mini-implant stability. Low-intensity laser light cannot be recommended as a clinically useful adjunct to promoting mini-implant stability during canine retraction.

    Matched MeSH terms: Dental Implants*
  4. Ahmed P, Bukhari IA, Albaijan R, Sheikh SA, Vohra F
    Photodiagnosis Photodyn Ther, 2020 Dec;32:102077.
    PMID: 33157330 DOI: 10.1016/j.pdpdt.2020.102077
    AIM: The current clinical trial aimed to assess the effectiveness of adjunctive photodynamic therapy (aPDT) and adjunctive antibiotic gel therapy (aAGT) to treat peri-implantitis among patients with type 2 diabetes mellitus (T2DM).

    METHODS: Selected T2DM participants with peri-implantitis were distributed into 3 groups: Group-1: received a single session of adjunctive (aPDT); Group-2: received a single session of adjunctive (aAGT) (metronidazole 400 mg and amoxicillin 500 mg); and Group-3: received MD alone. Clinical (probing depth [PD], bleeding on probing [BOP], and plaque scores [PS]) and radiographic (crestal bone loss [CBL]) peri-implant variables were recorded. Levels of interleukin (IL)-6 and tumor necrosis factor-alpha (TNF-α) were assessed after the collection of peri-implant sulcular fluid (PISF). All the evaluations were carried out at baseline, 3- and 6-months. The significance level was set to p < 0.05.

    RESULTS: At 3-and 6-months of follow-up, all the three groups showed significant alleviation in PS (p < 0.05), BOP (p < 0.05), and PD (p < 0.05) when compared with the baseline. At baseline, no significant variation was observed in all clinical and radiographic peri-implant parameters among all three research groups. At 3-months follow-up, a considerable alleviation of in PS, BOP, PD, and CBL was noticeable in group-1 patients when compared with the baseline. At 6-months follow-up, a comparable difference was observed in BOP, PD, and CBL between group-1 and group-2. At baseline, no significant variation was observed in the PISF levels of IL-6 and TNF-α among all three research groups. At 3- and 6-months follow-up, a considerable alleviation of TNF-α and IL-6 levels was observed in group-1 and group-2 patients, respectively, when compared with the baseline.

    CONCLUSION: The application of aPDT demonstrated improved clinical, radiographic, and immunological peri-implant parameters for the treatment of peri-implantitis among T2DM patients.

    Matched MeSH terms: Dental Implants*
  5. Al-Hashedi AA, Taiyeb-Ali TB, Yunus N
    Aust Dent J, 2016 06;61(2):208-18.
    PMID: 25966305 DOI: 10.1111/adj.12337
    BACKGROUND: Short dental implants can be an alternative to bone augmentation procedures at sites of reduced alveolar bone. Most studies on short implants are retrospective or multicentre reports that lack controlled and consistent comparison between different systems. This study aimed to compare clinical and radiographic outcomes of short implants in two different systems in the posterior mandible.

    METHODS: Twenty patients with two adjacent missing posterior teeth were recruited. Patients were assigned equally and randomly into two groups; Bicon(®) (6 or 8 mm) and Ankylos(®) (8 mm) implants. A two-stage surgical approach and single crowns were used for implant placement and loading. Outcomes included peri-implant clinical parameters, implant stability (Periotest values; PTVs) and peri-implant bone changes, which were assessed at baseline, 2, 6 and 12 months post-loading.

    RESULTS: No implant loss was encountered up to 12 months post-loading. No significant difference in the clinical or radiographic parameters was observed except for PTVs (p < 0.05) that was lower in Ankylos(®) implants.

    CONCLUSIONS: The use of short dental implants was associated with excellent 12 months clinical and radiographic outcomes. Ankylos(®) and Bicon(®) implants demonstrated similar peri-implant soft tissue and alveolar bone changes. However, Ankylos(®) implants demonstrated better implant stability at all evaluation intervals.

    Matched MeSH terms: Dental Implantation, Endosseous/methods*; Dental Implants*
  6. Al-Juboori MJ
    PMID: 25678816 DOI: 10.2147/CCIDE.S76637
    The displacement of a dental implant into the maxillary sinus may lead to implant failure due to exposure of the apical third or the tip of the implant beyond the bone, resulting in soft tissue growth. This case report discusses dental implant placement in the upper first molar area with maxillary sinus involvement of approximately 2 mm. A new technique for progressive implant loading was used, involving immediately loaded implants with maxillary sinus perforation and low primary stability. Follow-up was performed with resonance frequency analysis and compared with an implant placed adjacent in the upper second premolar area using a conventional delayed loading protocol. Implants with maxillary sinus involvement showed increasing stability during the healing period. We found that progressive implant loading may be a safe technique for the placement of immediately loaded implants with maxillary sinus involvement.
    Matched MeSH terms: Dental Implants
  7. Al-Juboori MJ, AbdulRahaman SB, Hassan A
    Implant Dent, 2013 Aug;22(4):351-5.
    PMID: 23811720 DOI: 10.1097/ID.0b013e318296583d
    To detect the correlation between crestal bone resorption and implant stability during healing period using resonance frequency analysis (RFA).
    Matched MeSH terms: Dental Implantation, Endosseous/methods; Dental Implants*
  8. Alam MK, Rahman SA, Rahaman SA, Basri R, Sing Yi TT, Si-Jie JW, et al.
    PLoS One, 2015;10(10):e0140438.
    PMID: 26465146 DOI: 10.1371/journal.pone.0140438
    The aim of this study is to evaluate the satisfaction of patients with posterior implants in relation to the clinical success criteria and surface electromyography (sEMG) findings of the masseter and temporalis muscles. Total 42 subjects were investigated. Twenty one subjects with posterior dental implants were interviewed using a questionnaire and the clinical success criteria were determined based on The International Congress of Oral Implantologists. The myofunction of the masticatory muscles were assessed using sEMG (21 subjects) and compared to the control group of subjects without implants (21 subjects). Out of 21 subjects, all were satisfied with the aesthetics of their implant. Twenty of them (95.2%) were satisfied with its function and stability. As for clinical criteria, 100% (50) of the implants were successful with no pain, mobility or exudates. sEMG findings showed that patients have significantly lower (p<0.01) basal or resting median power frequency but with muscle burst. During chewing, control subjects showed faster chewing action. There was no difference in reaction and recovery time of clenching for both groups. In conclusion, the satisfaction of implant patients was high, and which was in relation to the successful clinical success criteria and sEMG findings.
    Matched MeSH terms: Dental Implants*
  9. Aljunid S, AlSiweedi S, Nambiar P, Chai WL, Ngeow WC
    J Oral Implantol, 2016 Aug;42(4):349-52.
    PMID: 27078072 DOI: 10.1563/aaid-joi-D-16-00011
    The mandibular canal is a conduit that allows the inferior alveolar neurovascular bundle to transverse the mandible to supply the dentition, jawbone, and soft tissue around the lower lip. It is now acknowledged that the mandibular canal is not a single canal but an anatomical structure with multiple branches and variations. Iatrogenic injury to branches of the mandibular canal that carry a neurovascular bundle has been reported to cause injury to the main canal as severe as if the main canal itself is traumatized. These injuries include bleeding, neurosensory disturbance, or the formation of traumatic neuroma, and so far, they have involved cases with the bifid mandibular canal. This current report presents a case of neurosensory disturbance that resulted from the impingement of a branch of a trifid mandibular canal during implant insertion. Its management included analgesics, reexamination, and reinserting a shorter implant.
    Matched MeSH terms: Dental Implants*
  10. Apratim A, Eachempati P, Krishnappa Salian KK, Singh V, Chhabra S, Shah S
    J Int Soc Prev Community Dent, 2015 May-Jun;5(3):147-56.
    PMID: 26236672 DOI: 10.4103/2231-0762.158014
    Titanium has been the most popular material of choice for dental implantology over the past few decades. Its properties have been found to be most suitable for the success of implant treatment. But recently, zirconia is slowly emerging as one of the materials which might replace the gold standard of dental implant, i.e., titanium.
    Matched MeSH terms: Dental Implants
  11. Baig MR, Rajan G, Yunus N
    Gerodontology, 2012 Jun;29(2):e1140-5.
    PMID: 21615782 DOI: 10.1111/j.1741-2358.2010.00433.x
    Dental rehabilitation of a completely edentulous geriatric patient has always been a challenge to the clinician, especially in treating those with higher expectations and demands. Treatment duration and the amount of residual alveolar bone available are often important considerations when planning for dental implant-based fixed treatment for these patients. With the introduction of zygomatic implants, a graftless alternative solution has emerged for deficient maxillary bone with provision for immediate loading. This article describes the treatment of a completely edentulous elderly patient using zygomatic implants in conjunction with conventional implants. The implants were immediately loaded using a definitive acrylic resin fixed denture reinforced with a cast metal framework, to provide function and aesthetics.
    Matched MeSH terms: Dental Implants*; Immediate Dental Implant Loading; Dental Implant-Abutment Design
  12. Baig MR, Gunaseelan R
    J Oral Implantol, 2012 Apr;38(2):149-53.
    PMID: 20932151 DOI: 10.1563/AAID-JOI-D-09-00089
    Passive fit of a long-span screw-retained implant prosthesis is an important criteria for the success of the restoration. This article describes a technique for fabricating a ceramometal implant fixed dental prosthesis (FDP) for a long-span partially edentulous situation by altering the conventional screw-retained design. The possibility of a passive fit is maximized by intraoral luting of the cast frame to milled abutments, and the potential framework distortion during fabrication is compensated to a major extent. Retrievability is ensured by screw retention of the prosthesis to the implants. Compared with conventional porcelain fused to metal screw-retained FDP, this prosthesis is relatively inexpensive to fabricate.
    Matched MeSH terms: Dental Implantation, Endosseous; Dental Implants*; Dental Implant-Abutment Design
  13. Baig MR, Rajan G
    J Oral Implantol, 2010;36(3):219-23.
    PMID: 20553176 DOI: 10.1563/AAID-JOI-D-09-00048
    Abstract This article describes the clinical and laboratory procedures involved in the fabrication of laboratory-processed, provisional, screw-retained, implant-supported maxillary and mandibular fixed complete dentures incorporating a cast metal reinforcement for immediate loading of implants. Precise fit is achieved by intraoral luting of the cast frame to milled abutments. Effective splinting of all implants is attained by the metal substructure and retrievability is provided by the screw-retention of the prosthesis.
    Matched MeSH terms: Dental Implantation, Endosseous; Dental Implants*
  14. Baig MR, Rajan G, Rajan M
    J Oral Implantol, 2009;35(6):295-9.
    PMID: 20017646 DOI: 10.1563/AAID-JOI-D-09-00012R1.1
    This article describes the rehabilitation of a completely edentulous patient using a milled titanium implant framework and cemented crowns. This combined approach significantly offsets unsuitable implant position, alignment, or angulation, while ensuring the easy retrievability, repair, and maintenance of the prosthesis. Hence, the dual advantage of cemented-retained crowns reproducing appropriate esthetics and function, irrespective of where the screw access openings are located in the substructure, can be obtained, along with the splinting effect and management of soft and hard tissue deficits achievable with a screw-retained framework.
    Matched MeSH terms: Dental Implants*
  15. Baig MR, Buzayan MM, Yunus N
    J Investig Clin Dent, 2018 May;9(2):e12320.
    PMID: 29349910 DOI: 10.1111/jicd.12320
    AIM: The aim of the present study was to assess the accuracy of multi-unit dental implant casts obtained from two elastomeric impression materials, vinyl polyether silicone (VPES) and polyether (PE), and to test the effect of splinting of impression copings on the accuracy of implant casts.

    METHODS: Forty direct impressions of a mandibular reference model fitted with six dental implants and multibase abutments were made using VPES and PE, and implant casts were poured (N = 20). The VPES and PE groups were split into four subgroups of five each, based on splinting type: (a) no splinting; (b) bite registration polyether; (c) bite registration addition silicone; and (d) autopolymerizing acrylic resin. The accuracy of implant-abutment replica positions was calculated on the experimental casts, in terms of interimplant distances in the x, y, and z-axes, using a coordinate measuring machine; values were compared with those measured on the reference model. Data were analyzed using non-parametrical Kruskal-Wallis and Mann-Whitney tests at α = .05.

    RESULTS: The differences between the two impression materials, VPES and PE, regardless of splinting type, were not statistically significant (P>.05). Non-splinting and splinting groups were also not significantly different for both PE and VPES (P>.05).

    CONCLUSIONS: The accuracy of VPES impression material seemed comparable with PE for multi-implant abutment-level impressions. Splinting had no effect on the accuracy of implant impressions.

    Matched MeSH terms: Dental Implants*
  16. Bapat RA, Dharmadhikari S, Chaubal TV, Amin MCIM, Bapat P, Gorain B, et al.
    Heliyon, 2019 Oct;5(10):e02544.
    PMID: 31687479 DOI: 10.1016/j.heliyon.2019.e02544
    Dendrimers are hyperbranched nanoparticle structures along with its surface modifications can to be used in dental biomaterials for biomimetic remineralisation of enamel and dentin. The review highlights the therapeutic applications of dendrimers in the field of dentistry. It addresses the possible mechanisms of enhancement of mechanical properties of adhesives and resins structure. Dendrimers due to its unique construction of possessing inner hydrophobic and outer hydrophilic structure can act as drug carrier for delivery of antimicrobial drugs for treatment of periodontal diseases and at peripheral dental implant areas. Dendrimers due to its hyperbranched structures can provides a unique drug delivery vehicle for delivery of a drug at specific site for sustained release for therapeutic effects. Thus, dendrimers can be one of the most important constituents which can be incorporated in dental biomaterials for better outcomes in dentistry.
    Matched MeSH terms: Dental Implants
  17. Chai WL, Brook IM, Palmquist A, van Noort R, Moharamzadeh K
    J R Soc Interface, 2012 Dec 7;9(77):3528-38.
    PMID: 22915635 DOI: 10.1098/rsif.2012.0507
    For dental implants, it is vital that an initial soft tissue seal is achieved as this helps to stabilize and preserve the peri-implant tissues during the restorative stages following placement. The study of the implant-soft tissue interface is usually undertaken in animal models. We have developed an in vitro three-dimensional tissue-engineered oral mucosal model (3D OMM), which lends itself to the study of the implant-soft tissue interface as it has been shown that cells from the three-dimensional OMM attach onto titanium (Ti) surfaces forming a biological seal (BS). This study compares the quality of the BS achieved using the three-dimensional OMM for four types of Ti surfaces: polished, machined, sandblasted and anodized (TiUnite). The BS was evaluated quantitatively by permeability and cell attachment tests. Tritiated water (HTO) was used as the tracing agent for the permeability test. At the end of the permeability test, the Ti discs were removed from the three-dimensional OMM and an Alamar Blue assay was used for the measurement of residual cells attached to the Ti discs. The penetration of the HTO through the BS for the four types of Ti surfaces was not significantly different, and there was no significant difference in the viability of residual cells that attached to the Ti surfaces. The BS of the tissue-engineered oral mucosa around the four types of Ti surface topographies was not significantly different.
    Matched MeSH terms: Dental Implants*
  18. Chai WL, Brook IM, Emanuelsson L, Palmquist A, van Noort R, Moharamzadeh K
    J Biomed Mater Res A, 2012 Feb;100(2):269-77.
    PMID: 22045611 DOI: 10.1002/jbm.a.33245
    A three dimensional tissue-engineered human oral mucosal model (3D OMM) used in the investigation of implant-soft tissue interface was recently reported. The aim of this study was to examine the ultrastructural features of soft tissue attachment to various titanium (Ti) implant surfaces based on the 3D OMM. Two techniques, that is, focus ion beam (FIB) and electropolishing techniques were used to prepare specimens for transmission electron microscopic (TEM) analysis of the interface. The 3D OM consisting of both epithelial and connective tissue layers was constructed by co-culturing human oral keratinocytes and fibroblasts onto an acellular dermis scaffold. Four types of Ti surface topographies were tested: polished, machined (turned), sandblasted, and TiUnite. The specimens were then processed for TEM examination using FIB (Ti remained) and electropolishing (Ti removed) techniques. The FIB sections showed some artifact and lack of details of ultrastructural features. In contrast, the ultrathin sections prepared from the electropolishing technique showed a residual Ti oxide layer, which preserved the details for intact ultrastructural interface analysis. There was evidence of hemidesmosome-like structures at the interface on the four types of Ti surfaces, which suggests that the tissue-engineered oral mucosa formed epithelial attachments on the Ti surfaces.
    Matched MeSH terms: Dental Implants*
  19. Chai WL, Moharamzadeh K, Brook IM, Emanuelsson L, Palmquist A, van Noort R
    J. Periodontol., 2010 Aug;81(8):1187-95.
    PMID: 20450401 DOI: 10.1902/jop.2010.090648
    In dental implant treatment, the long-term prognosis is dependent on the biologic seal formed by the soft tissue around the implant. The in vitro investigation of the implant-soft tissue interface is usually carried out using a monolayer cell-culture model that lacks a polarized-cell phenotype. This study developed a tissue-engineered three-dimensional oral mucosal model (3D OMM) to investigate the implant-soft tissue interface.
    Matched MeSH terms: Dental Implants*
  20. Chai WL, Moharamzadeh K, Brook IM, Van Noort R
    Biotech Histochem, 2011 Aug;86(4):242-54.
    PMID: 20392135 DOI: 10.3109/10520291003707916
    The success of dental implant treatment depends on the healing of both hard and soft tissues. While osseointegration provides initial success, the biological seal of the peri-implant soft tissue is crucial for maintaining the long term success of implants. Most studies of the biological seal of peri-implant tissues are based on animal or monolayer cell culture models. To understand the mechanisms of soft tissue attachment and the factors affecting the integrity of the soft tissue around the implants, it is essential to obtain good quality histological sections for microscopic examination. The nature of the specimens, however, which consist of both metal implant and soft peri-implant tissues, poses difficulties in preparing the specimens for histomorphometric analysis of the implant-soft tissue interface. We review various methods that have been used for the implant-tissue interface investigation with particular focus on the soft tissue. The different methods are classified and the advantages and limitations of the different techniques are highlighted.
    Matched MeSH terms: Dental Implants/adverse effects*
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