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Results for “Maxillofacial Prosthesis”

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At least 685 records · Page 38Linked to original sources
PubMed1975

Malar implants for improvement of the facial appearance.

Esthetic correction of flat malar eminences may contribute to the harmony of facial proportions by making the face more oval and by giving a more youthful appearance. Zygomatic augmentation may also be indicated for the treatment of congenital hypoplasias, asymmetries, or traumatic depressions of the malar region. We have used the procedure in 52 cases since 1964. For augmentation we use a perforated soft, silicone rubber implant. The technique and results are described. The results have been satisfactory, for both the patients and the surgeon.

Bone Transplantation↗
PubMed1981

Chin advancement as an aid in correction of deformities of the mental and submental regions.

Six patients are presented demonstrating various uses of chin advancement (horizontal osteotomy of the mandibular symphysis and sliding advancement) for correction of mental and submental deformities. With preservation of muscular attachment to the posterior border of the advanced mandibular fragment, the author feels that there is an anterior pull on the cervical musculature that may complement the posterior pull of platysmal plication. The technique of chin advancement is described in detail and offers more versatility than the use of alloplastic chin implants. The author advocates the use of this direct osseous approach for purely aesthetic reasons as well as in the correction of maxillofacial and craniofacial malformations.

Adolescent↗
PubMed1986

A new method for fixation of external prostheses.

As more extensive craniofacial resections for recurrent orbital and nasoethmoidal carcinoma are performed, the need for complex external prostheses increases. A new method of stabilization for large prostheses using osseointegrated implants is presented. This is illustrated in a typical patient who underwent a large naso-orbital maxillary resection for recurrent basal cell carcinoma.

Basal Cell Carcinoma↗
PubMed1999

Maxillary reconstruction: functional and aesthetic considerations.

Maxillary reconstruction is a challenging endeavor in functional and aesthetic restoration. Given its central location in the midface and its contributions to the key midfacial elements--the orbits, the zygomaticomaxillary complex, the nasal unit, and the stomatognathic complex--the maxilla functions as the keystone of the midface and unifies these elements into a functional and aesthetic unit. Maxillary defects are inherently complex because they generally involve more than one midfacial component. In addition, most maxillary defects are composite in nature, and they often require skin coverage, bony support, and mucosal lining for reconstruction. In the reconstruction of maxillary defects secondary to trauma, ablative tumor surgery, or congenital deformities, the following goals must be met: (1) obliteration of the defect; (2) restoration of essential functions of the midface, such as mastication and speech; (3) provision for adequate structural support to each of the midfacial units; and (4) aesthetic reconstruction of the external features. This review will discuss the pertinent anatomic considerations, the historical approaches to maxillary reconstruction, and the merits of the techniques in use today, with an emphasis on state-of-the-art reconstruction and dental rehabilitation of extensive maxillary defects.

Esthetics↗
PubMed2000

Premaxillary augmentation: adjunct to rhinoplasty.

Recession of the premaxillary area is a relatively common deformity. Typically, it presents as a mild weakness of the central maxilla, but in certain instances, such as in the Black and Asian communities, it may be moderate to severe. This condition can be compounded by a narrow nasolabial angle, recessed alar bases, and sunken cheeks. To resolve this deficiency, a new design for premaxillary augmentation is suggested. A bat-shaped premaxillary implant is used for correction. The implant is introduced by means of an intranasal or intraoral approach, while the patient is under either local or general anesthesia. Thirty-three patients have been managed for premaxillary recession and have been corrected by premaxillary augmentation. Satisfactory cosmetic results have been achieved, with only a few minor complications.

Adolescent↗
PubMed1982

Prosthetic rehabilitation of extensive facial defects.

Patients with extensive surgical defects of the palate, orbit, or nose are difficult to rehabilitate. Prosthetic rehabilitation in these areas often shortens hospitalization, speeds recovery, and reduces medical expenses. Specific factors in planning treatment are directed toward successful prosthetic rehabilitation, using a team approach, careful patient selection, and specific surgical principles keyed to each facial region.

Female↗
PubMed1993

The role of a hospital-based dental implant center.

The role of a hospital-based implant center with dental and medical specialists working as a team is discussed. Advantages to the team include the availability of sophisticated hospital equipment and facilities. Referring dentists are encouraged to participate in and/or observe treatment performed at the implant center. Four cases treated by an implant team within a hospital environment are presented.

Adult↗
PubMedDate not supplied

A thirty-year review of oral appliances used to manage microstomia, 1972 to 2002.

Patients who have sustained a facial burn often contend with cosmetic and functional challenges, including microstomia. Many devices have been created by a variety of professionals to provide oral stretching. These devices can be classified as intraoral or extraoral and deliver a stretch either horizontally, vertically, or circumorally. The purpose of this article is to present a comprehensive review of oral-stretching devices.

Burns↗
PubMed2006

Management of bilateral cleft lip and nasal deformity.

PURPOSE OF REVIEW: Management of bilateral cleft lip and nasal deformity can be a challenging task. This paper provides an overview of bilateral cleft lip and nasal deformity with an updated review of current management issues in the literature. RECENT FINDINGS: The Centers for Disease Control and Prevention recently reported that orofacial clefts are now the most common birth defect. While this statistic may be disheartening, the increased prevalence brings the problem to light at the forefront of the medical community, thus gaining more support and resources. Many techniques have been described for repair of bilateral cleft lip and nasal deformity. A recent advancement in presurgical orthopedics is the use of nasoalveolar molding to narrow wide clefts. SUMMARY: Surgical management of bilateral cleft lip and nasal deformity poses a challenge to the skill and judgment of the cleft surgeon. Although techniques continue to evolve over the decades, the basic principles of cleft surgery remain the same. The main principles are to achieve an appropriate philtral size and shape, to position the cartilages in a more optimal position, and to attain muscular continuity and symmetry for optimal appearance and function. Thus, while keeping the basic principles in mind, management of bilateral cleft lip and nasal deformity becomes a valuable and rewarding experience for the surgeon, patient and caregiver.

Cleft Lip↗
PubMed2003

A long-term retrospective outcome assessment of facial growth, secondary surgical need, and maxillary lateral incisor status in a surgical-orthodontic protocol for complete clefts.

In 1965, the cleft palate team at Children's Memorial Hospital embarked on a new surgical-orthodontic protocol in the habilitation of newborn complete cleft lip and palate cases. It brought the orthodontic effort into focus at birth and in planned sequence to correspond with the surgical procedures of lip closure, maxillary alveolar stabilization by means of an autogenous graft of the authors' design, and complete palate closure, all within the first year of life. The purpose of this investigation is threefold: first, to review the authors' previous publications and assess growth, secondary surgical need, and lateral incisor status of teeth adjacent to the cleft in a series of patients who have all followed a precise, early surgical/orthodontic protocol; second, to compare these cases with other collaborative studies wherein this protocol was not used; and third, to report on an additional 82 cases with regard to secondary surgical need and the status of teeth adjacent to the cleft. Methods of assessment have included cephalometric radiography, periapical and occlusal dental radiography, computer-assisted tomography, plaster cast analysis, and intraoral and extraoral photography. The authors have demonstrated, along with other collaborative studies, that there is growth as good as other similar samples wherein there was no primary osteoplasty. In addition, the authors found their incidence of orthognathic surgery to be 18.29 percent; pharyngoplasty, 3.65 percent; and oronasal fistulas requiring surgical closure, 29.27 percent. In the case of unilateral complete clefts, 53.13 percent of those lateral incisors present adjacent to the cleft area were usable, and in bilateral cases, 57.77 percent were usable. The authors remain convinced after more than 35 years of following this successful protocol that early maxillary orthopedics and their technique of primary osteoplasty in planned sequence with lip and palate closure can produce a more favorable alignment of maxillary growth potential and, with comprehensive orthodontic treatment, can lead to teeth in a better overall occlusion than if these procedures had not been undertaken.

Adolescent↗
PubMed2004

Treatment of midfacial defects using prostheses supported by ITI dental implants.

The purpose of this study was to evaluate retrospectively the use of ITI dental implants used for anchoring facial prostheses in the restorative treatment of midface defects. The authors analyzed the clinical data of 26 patients with orbital defects (n = 11), orbitonasal defects (n = 4), orbitonasomaxillary defects (n = 3), and nasal defects (n = 8). Data included age, sex, primary disease, implant position, implant length, implant failure, prosthetic attachment, radiation therapy, and peri-implant skin reactions. Follow-up was at 1, 3, 6, and 12 months and then on a yearly basis. The authors noted the status of healing and complications, if any. In total, 62 implants were placed as follows: 27 (43.5 percent) for orbital prostheses, 12 (19.4 percent) for orbitonasal prostheses, 14 (22.6 percent) for orbitonasomaxillary prostheses, and nine (14.5 percent) for nasal prostheses. Thirty-eight implants (61.3 percent) were placed in previously irradiated areas in 18 patients (69.2 percent). Mild skin reactions together with mild accumulation of sebaceous crusting around implants were recorded in 14.2 percent of the skin observations. No patient experienced severe inflammation requiring administration of systemic antibiotics or surgical revision. Implant success was 100 percent in both irradiated and nonirradiated patients. In conclusion, ITI dental implants result in a high rate of success in retaining midface prostheses and offer good stability and aesthetic satisfaction.

Adult↗