Porous Alloplastic Material Encasement of Gold Weights for the Treatment of Paralytic Lagophthalmos

1999 ◽  
Vol 15 (6) ◽  
pp. 401-406 ◽  
Author(s):  
Jean T. Jacob ◽  
Karen Pendleton ◽  
Emile Broussard ◽  
Angela Crisp ◽  
David A. DiLoreto
Keyword(s):  
Alloplastic Material ◽  
Gold Weights

scholarly journals Maxillary Sinus Augmentation Using Ceramic Alloplastic Granules or Paste: An Experimental Study in Rabbits

2021 ◽  
Vol 9 (6) ◽  
pp. 65
Author(s):  
Michael Medeiros Costa ◽  
Daniele Botticelli ◽  
Ofer Moses ◽  
Yuki Omori ◽  
Shigeo Fujiwara ◽  
...  
Keyword(s):  
Bone Formation ◽  
Maxillary Sinus ◽  
Biological Behavior ◽  
Collagen Membrane ◽  
Alloplastic Material ◽  
New Bone Formation ◽  
Sinus Augmentation ◽  
Beta Tricalcium Phosphate ◽  
Sinus Lifting ◽  
Points Of View

Background: Due to the lack of data comparing the biological behavior of two formulations, granules and paste, of alloplastic graft from microtomographic and histomorphometric points of view, the aim of the present experiment was to compare the histomorphometric and microtomographic healing of two formulations, i.e., granules (MR sites) or paste (MR-inject sites) of an alloplastic graft composed of a combination of beta-tricalcium phosphate and hydroxyapatite used for maxillary sinus lifting. Methods: A sinus lifting procedure was carried out bilaterally in 20 rabbits, and the elevated space was filled with either paste or granules of an alloplastic material. A collagen membrane was placed on the antrostomy and the animals were euthanized after 2 or 10 weeks, 10 animals each group. Microtomographic and histological analyses were performed. Results: Higher proportions of new bone formation were found at the MR, compared to the MR-inject sites both after 2 weeks (2.65 ± 2.89% vs. 0.08 ± 0.12%; p < 0.01) and 10 weeks of healing (34.20 ± 13.86 vs. 23.28 ± 10.35%; p = 0.022). Conclusions: It was concluded that new bone formation was faster in the MR sites, compared to the MR-inject. However, a longer time of healing should be allowed to make final conclusions about the efficiency in bone formation of the paste formulation of the biomaterial used in the present study.

scholarly journals Predicting Factors Influencing Visual Function of the Eye in Patients with Unresolved Facial Nerve Palsy after Upper Eyelid Gold Weight Loading

2021 ◽  
Vol 10 (4) ◽  
pp. 578
Author(s):  
Izabela Nowak-Gospodarowicz ◽  
Marek Rękas
Keyword(s):  
Facial Nerve ◽  
Nerve Palsy ◽  
Facial Nerve Palsy ◽  
Upper Eyelid ◽  
Patient Age ◽  
Corneal Sensation ◽  
History Of ◽  
Gold Weights ◽  
Bell's Phenomenon ◽  
Bell’S Phenomenon

Implantation of gold weights into the upper eyelid is a proven method of treating lagophthalmos and exposure keratopathy in patients with unresolved facial nerve palsy. The aim of this study was to evaluate the factors affecting visual acuity and corneal complications in patients after upper eyelid gold weight lid loading. Material and methods: This prospective consecutive clinical study was conducted in years 2012–2018. In total, 59 people (40 women, 19 men aged 55.5 ± 17.4 years) meeting the inclusion criteria were treated with gold weights. The ordered multinomial logit model was used to analyze the factors affecting best-corrected visual acuity (BCVA) and degree of exposure keratopathy after surgery. The influence of the following variables was analyzed: patient age, etiology and duration of the facial nerve palsy, history of the previous eyelid surgery, degree of lagophthalmos in mm, presence of Bell’s phenomenon, and corneal sensation, Schirmer test results. Results: Implantation of gold weights into the upper eyelid effectively reduced lagophthalmos and exposure keratopathy in the study group (p < 0.001). BCVA was maintained or better in 95% of patients after surgery. Patient age, presence of the Bell’s phenomenon, and corneal sensation significantly affected the final BCVA (p < 0.1). The presence of Bell’s phenomenon and corneal sensation had a positive effect on the degree of keratopathy after surgery (p < 0.1). In turn, patient age and history of tarsorrhaphy were significant negative prognostic factors of exposure keratopathy and BCVA after surgery (p < 0.05). Etiology and duration of facial nerve palsy, degree of corneal exposure in mm, and results of the Schirmer test did not have a significant impact on the outcome after surgery (p > 0.1). Conclusions: The results of our study may help to answer the question of how to direct ophthalmologists and other specialists who refer to ophthalmologists for management advice in patients with facial nerve palsy. Elderly patients with a history of tarsorrhaphy who present with poor Bell’s phenomenon and/or a lack of corneal sensation should be the first candidates for immediate correction of lagophthalmos.

Gold weights in upper eyelids for the correction of paralytic lagophthalmos

1986 ◽  
Vol 9 (2) ◽  
pp. 66-68 ◽  
Author(s):  
J. P. A. Nicolai ◽  
H. de Koomen ◽  
J. B. Storm van Leeuwen ◽  
S. Sybrandy
Keyword(s):  
Gold Weights

Orbital correction using alloplastic material

1971 ◽  
Vol 47 (2) ◽  
pp. 197
Author(s):  
H M H M Borghouts ◽  
A J P Otto
Keyword(s):  
Alloplastic Material ◽  
Orbital Correction

scholarly journals Histological Evaluation of a New Beta-Tricalcium Phosphate/Hydroxyapatite/Poly (1-Lactide-Co-Caprolactone) Composite Biomaterial in the Inflammatory Process and Repair of Critical Bone Defects

Symmetry ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 1356
Author(s):  
Elizabeth Ferreira Martinez ◽  
Ana Elisa Amaro Rodrigues ◽  
Lucas Novaes Teixeira ◽  
Andrea Rodrigues Esposito ◽  
Walter Israel Rojas Cabrera ◽  
...  
Keyword(s):  
Bone Regeneration ◽  
Tricalcium Phosphate ◽  
Bone Repair ◽  
Inflammatory Process ◽  
Histological Evaluation ◽  
Alloplastic Material ◽  
Beta Tricalcium Phosphate ◽  
Evaluation Time ◽  
Synthetic Biomaterial ◽  
Critical Bone Defects

Background: The use of biomaterials is commonplace in dentistry for bone regeneration. The aim of this study was to evaluate the performance of a new alloplastic material for bone repair in critical defects and to evaluate the extent of the inflammatory process. Methods: Forty-five New Zealand rabbits were divided into five groups according to evaluation time (7, 14, 30, 60, 120 days), totaling 180 sites with six-millimeter diameter defects in their tibiae. The defects were filled with alloplastic material consisting of poly (lactide-co-caprolactone), beta-tricalcium phosphate, hydroxyapatite and nano-hydroxyapatite (BTPHP) in three different presentations: paste, block, and membrane. Comparisons were established with reference materials, such as Bio-ossTM, Bio-oss CollagenTM, and Bio-gideTM, respectively. The samples were HE-stained and evaluated for inflammatory infiltrate (scored for intensity from 0 to 3) and the presence of newly formed bone at the periphery of the defects. Results: Greater bone formation was observed for the alloplastic material and equivalent inflammatory intensity for both materials, regardless of evaluation time. At 30 days, part of the synthetic biomaterial, regardless of the presentation, was resorbed. Conclusions: We concluded that this novel alloplastic material showed osteoconductive potential, biocompatibility, low inflammatory response, and gradual resorption, thus an alternative strategy for guided bone regeneration.

Pretarsal Fixation of Gold Weights in Facial Nerve Palsy

1989 ◽  
Vol 5 (2) ◽  
pp. 104-109 ◽  
Author(s):  
Stuart R. Seiff ◽  
John H. Sullivan ◽  
L. Neal Freeman ◽  
James Ahn
Keyword(s):  
Facial Nerve ◽  
Nerve Palsy ◽  
Facial Nerve Palsy ◽  
Gold Weights
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