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  1. The loss of an eye due to occupational injury: Two case studies of ocular prosthetic rehabilitation
    Al-Oulabi A, Al Rawas M, Farook TH, Rashid F, Barman A, Jamayet NB, et al.
    Work, 2021 Jun 25.
    PMID: 34180457 DOI: 10.3233/WOR-213519
    BACKGROUND: Two patients received ocular injuries from rusted metallic projectiles at their industrial workplaces. Said injuries resulted in the loss of their eyes by evisceration surgeries to prevent fatal infections.

    CASE DESCRIPTION: The first case, a man in his twenties, received a stock conformer immediately after surgery and started prosthetic therapy within 2 months. The second case, a man in his forties, started prosthetic therapy after 10 years. Definitive custom ocular prostheses were fabricated and relined according to conventional protocol.

    RESULTS: On issue of the prosthesis, there was adequate retention, aesthetics and stability to extra-ocular movements and treatment was considered successful for both cases. However, follow-ups showed noticeable prosthetic eye movements for case 1 which, to some extent mimicked the physiologic movement of its fellow natural eye. Case 1 adjusted to his prosthesis better while case 2 was still adjusting with little to no physiologic movement.

    CONCLUSION: Prosthetic rehabilitation should be started as early as possible to obtain optimum rehabilitative results.

  2. Digital workflow and virtual validation of a 3D-printed definitive hollow obturator for a large palatal defect
    Jamayet NB, Farook TH, Al-Oulabi A, Johari Y, Patil PG
    J Prosthet Dent, 2021 Oct 08.
    PMID: 34635339 DOI: 10.1016/j.prosdent.2021.08.021
    This clinical report describes how a hollow obturator prosthesis was designed and fabricated for an 82-year-old partially edentulous patient with a large palatal defect. Computer-aided design (CAD) was used to design, articulate, and align the mandibular denture with the obturator prosthesis. The prosthesis was printed, adjusted chairside, rescanned, and made hollow by using a CAD software program. The prosthesis was printed in resin with a dental 3D printer. Quantitative evaluations of clinical (prosthesis dimensions, rest, and occlusal vertical dimensions) and virtual (surface area, volume, weight, interpoint mismatches, spatial overlap) parameters found that the 3D-printed prosthesis required an additional 5% chairside modification. The greatest differences in volume (24.7% less) and weight (22.2% less) were observed when the modified obturator bulb was made hollow via CAD. Hollowing the bulb, therefore, reduced the spatial overlap in volume by 16.8%.
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