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At least 127 records · Page 7Linked to original sources
PubMed1991

Influence of speaking rate on the upper lip, lower lip, and jaw peak velocity sequencing during bilabial closing movements.

Upper lip, lower lip, and jaw movements were recorded in five adult speakers for repeated sequences of the utterance [bae] at different speech rates. The results failed to confirm several earlier reports of an invariant upper lip, lower lip, jaw peak velocity sequencing pattern for bilabial closures. While the earlier reported sequence was the most frequent, a wide variety of different sequences was also commonly observed. In addition, significant intersubject differences in sequencing were found. The present results thus do not support the earlier hypothesis that oral closure gestures reflect aspects of a centrally generated pattern of motor output during speech.

Adult↗
PubMed1987

Incidence of cleft lip, cleft palate, and cleft lip and palate among races: a review.

A review of the literature pertaining to the incidence of cleft lip, cleft palate, and cleft lip and palate in different races is presented. The studies have been evaluated according to the method used to record the incidence rate. Half of the studies include in their base population livebirths, stillbirths, and abortions, or livebirths and stillbirths to record the incidence rate. In addition, in most of the studies, clefts with associated malformations and possible syndromes are included in the reported incidence. There is evidence, however, to suggest that the risk of developing clefts in stillbirths and abortions is three times as frequent as in livebirths and that clefts with associated malformations behave differently epidemiologically from clefts without associated malformations. It is suggested, therefore, that the incidence of cleft lip, cleft palate, and cleft lip and palate should be studied separately for each group, namely for livebirths, stillbirths, and abortions and should be reported separately for clefts without associated malformations, clefts with associated malformations, and syndromes. More research is needed to study the risk of developing clefts among the various groups that exhibit different epidemiologic behavior for each race.

Africa↗
PubMed1980

Segregation of HLA in sibs with cleft lip or cleft lip and palate: evidence against genetic linkage.

The segregation of HLA haplotypes (A, B, and C loci) was studied in eight families in which two sibs were affected with cleft lip or cleft lip and palate. HLA typing was performed in parents and sibs and in specific cases, other family members. Segregation of HLA haplotypes did not differ significantly from random Mendelian expectation. Three of the eight affected sib pairs differed in both HLA haplotypes, which is not expected if there is close linkage with susceptibility to clefting. Thus, it is very unlikely that spontaneous cleft lip or cleft lip and palate is closely linked to HLA.

Chromosome Mapping↗
PubMed1982

Local myocutaneous advancement flaps. Alternatives to cross-lip and distant flaps in the reconstruction of ablative lip defects.

Cross-lip and distal flaps are still advocated in current literature for the reconstruction of large, traumatic, or surgically created lip defects. Myocutaneous advancement flaps, however, have yielded a functionally and cosmetically superior result. Moreover, they represent single-stage repairs that are technically easy to create. The most common complication noted with the use of a Karapandzic labioplasty has been a relative microstomia. An easily introduced, tripartite maxillary denture has been designed for thus affected edentulous patients. The use of these flaps in the management of advanced lip cancers dictates careful perioperative planning, principles of which are described.

Dentures↗
PubMed1983

Lip adhesion in bilateral cleft lip.

Surgical correction of bilateral cleft lip deformities remains one of the most challenging areas in facial plastic surgery. This is particularly true with asymmetrical, incomplete-complete clefts; and with symmetrical, complete clefts with marked protrusion of the premaxilla. Although the lip adhesion procedure has been used with success in certain unilateral clefts, its possible role in the bilateral deformity is less well defined and accepted. The purpose of this report is to propose that lip adhesion has advantages in certain bilateral deformities and to describe a technique for one-stage bilateral adhesions.

Cleft Lip↗
PubMed1980

Lip pits, cleft lip and/or palate, and congenital heart disease.

Three individuals in whom lip pits and cleft lip and/or cleft palate were found in association with congenital heart disease are described. These individuals did not have the characteristics of previously delineated syndromes in which lip pits occur, including Vanderwoude syndrome, popliteal pterygium syndrome, and orodigitofacial dysostosis. Literature review failed to show any previously reported cases in which pits were observed in association with congenital heart disease.

Cleft Lip↗
PubMed1981

Functional musculoskeletal correction of secondary unilateral cleft lip deformities: combined lip-nose correction and Le Fort I osteotomy.

Secondary cleft lip-palate deformities frequently involve a combination of skeletal, cartilagenous, dental and muscular deformities. Correction of these deformities should be based on normalization of function by restoring normal anatomy as much as possible. Functional correction of the lip musculature is best done at the same time as surgical correction of the skeletal-dental deformities. In this article, we outline a fundamental technique for secondary lip-nose correction based on muscle reorientation and a concomitant Le Fort I maxillary osteotomy.

Adult↗
PubMed2001

Mimicking lip features in free-flap reconstruction of lip defects.

This paper introduces a technique of lip reconstruction using free flaps in which recognisable landmarks are mimicked by strategic placement of flap junctions. The technique was applied in 15 patients undergoing reconstruction of combined cheek and lip defects using single (n= 9) or double (n= 6) free flaps. Attention to flap design and strategic placement of flap junctions successfully created the vermilion-cutaneous junction, oral commissure and labiomental groove. The presence of these distinguishing features improved the appearance of the reconstructed lip.

Adult↗
PubMed1997

Reconstruction of the upper lip with lip switch (Abbe flap reconstruction).

The lip switch operation (Abbe) is useful for full thickness defects of the upper lip. Careful design of the flap with pedicle take-down and inset of the flap after 2 weeks, leads to a predictably good reconstructive result. The flap is most useful for 30-50% full thickness defects of the upper lip.

Basal Cell Carcinoma↗
PubMed1989

[Van der Woude syndrome (lip pits, cleft lip and cleft palate syndrome)].

Three patients with lip pits among 701 cases (0.43%) with clefts were treated in Beijing Stomatological Hospital in last five years. Genetic analysis of cases in 5 families with Van der Woude syndrome (Lip pits, cleft lip and cleft palate) in China was studied. We report on three unrelated families from the Beijing area, other three families from the Hebei, Heilongjang, Gansu province, in which the autosomal dominant gene for Van der Woude syndrome is segregating. All three or one of the clinical features may occur in an affected individual who carries the gene. Two probands had ankyloglossia. Six members were missing upper lateral incisors. One proband was missing second premolars. Six members were cross-bite. Two probands had congenital fistula of the mouth angle.

Child↗
PubMed1980

[The dependence of the lip form on the incision line in cleft-lip, jaw, and palate].

Lip, jaw and palate clefts are deformities frequently met with. If treated correctly such defects can be reduced to a minimum. Although we naturally seek to achieve aesthetically satisfactory results when shaping the lip, primary osteoplasty plays a decisive role in this process. Primary osteoplasty prevents pseudoprogency which will spoil any success in lip-shaping.

Cleft Lip↗
PubMed1993

[Primary correction of lip and nose abnormalities in complete unilateral cleft. 1: Lip reconstruction].

This first part of an article on primary repair of the unilateral cleft lip and nose is dealing with the lip deformity. A differentiated labial and nasal muscle reconstruction is as important as an esthetic skin closure. A symmetrical bone platform and a limited tissue defect are ideal conditions for the definitive lip repair. The combination of a lip/nose adhesion and a growth guidance plate is able to create these conditions in a period of four months.

Cleft Lip↗
PubMed1977

The "lip shave" operation for pre-malignant conditions and micro-invasive carcinoma of the lower lip.

The indications for a lip shave operation include actinic cheilitis with dysplasia, carcinoma in situ, or very early carcinoma with micro-invasion. In addition it may be combined with V wedge excision for larger carcinomas. The procedure consists in the excision of the vermilion epithelium with immediate repair of the lip by advancement of a flap of labial mucosa. The functional and cosmetic results of the operation are perfectly acceptable. The incidence of subsequent carcinoma in lips treated this way is very low.

Aged↗
PubMed2000

Open tip rhinoplasty along with the repair of cleft lip in cleft lip and palate cases.

This paper is a report on a procedure to perform open tip rhinoplasty at the time of lip repair in unilateral and bilateral cleft lip and palate deformity. A total of 69 patients who had this operation between 1994 and 1997 have been reviewed. Conventionally there is hesitation to do radical nasal correction for the cleft lip patient because of the fear of possible growth retardation. The present technique, while it achieves excellent postoperative results constantly, does not entail any more trauma to the cartilage complex than any of the conventional closed rhinoplasty techniques. Early results obtained by this method appear to be superior to those by closed rhinoplasty techniques.

Child, Preschool↗
PubMed1993

Lip augmentation for correction of thin lips.

Lip augmentation using a specially designed double V-Y advancement flap has been performed on eight patients, and a total of 14 lips were done. The results in the patients who are now over 1 year postoperative are encouraging as a permanent solution to augment thin lips. Relatively long postoperative swelling and stiffness have been a drawback and require careful patient selection.

Adult↗