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. 2023 Aug;27(8):4643-4652.
doi: 10.1007/s00784-023-05090-3. Epub 2023 Jun 5.

Outcomes of alveolar cleft repair in complete cleft lip and palate after tertiary gingivoperiosteoplasty and segmental Le Fort I osteotomy

Yi-Chin Wang  1 , Ting-Chen Lu  2   3   4 , Ying-An Chen  2   3   4 , Philip Kuo-Ting Chen  5 , Yu-Fang Liao  6   7   8   9
Affiliations

Outcomes of alveolar cleft repair in complete cleft lip and palate after tertiary gingivoperiosteoplasty and segmental Le Fort I osteotomy

Yi-Chin Wang et al. Clin Oral Investig. 2023 Aug.

Abstract

Objectives: Gingivoperiosteoplasty is often used for reconstruction of alveolar defects in infants with cleft lip and palate. This study aimed to examine outcomes of tertiary gingivoperiosteoplasty, which has not previously been investigated.

Materials and methods: This prospective study included 11 adults with complete cleft lip and palate (n = 12 sites) who consecutively underwent segmental Le Fort I osteotomy and concomitant gingivoperiosteoplasty for correction of skeletal class III deformity, nasoalveolar fistula and alveolar cleft. Outcomes included clinical and radiographic evaluations of gingivoperiosteoplasty at the time of osteotomy (presence of nasoalveolar fistula, residual cleft defect and unsupported root ratio of cleft-adjacent teeth), and determination of influencing factors for the clinical success of alveolar cleft repair. Study variables included age, gender, pre-surgical orthodontic treatment and alveolar cleft width of cleft-adjacent canine and angulation between cleft-adjacent teeth before surgery and 1-week postsurgery.

Results: Posttreatment, no nasoalveolar fistula remained. The residual cleft defect decreased significantly (p < 0.01). The unsupported root ratio of cleft-adjacent teeth did not differ (p > 0.05); eight cleft sites reached Bergland I or II (67% success). One-week postsurgery, the minimal alveolar cleft width of cleft-adjacent canine was significantly less in the success group compared with the failed group (p = 0.01).

Conclusions: Tertiary gingivoperiosteoplasty and segmental Le Fort I osteotomy decreased nasoalveolar fistulas and induced alveolar bone formation. The minimal alveolar cleft width immediately after surgery was the major influencing factor of clinical success.

Clinical relevance: Segmental Le Fort I osteotomy with simultaneous gingivoperiosteoplasty efficaciously repairs adult alveolar clefts.

Keywords: Adults; Alveolar cleft; Cleft lip and palate; Gingivoperiosteoplasty; Orthognathic surgery; Segmental Le Fort I osteotomy.

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