Tek taraflı dudak ve damak yarığına sahip hastalarda alt çene ark boyu uyumsuzluğu: ortodontik model analizi
Amaç: Tek taraflı dudak ve damak yarığına (DDY) sahip hastalarda alt çene ark boyu uyumsuzluğunu belirlemektir.Gereç ve Yöntem: Non-sendromik tek taraflı total DDY’ye sahip olup, alt çenede büyük dolgu/kronlu diş bulunmayan, diş eksikliği, gömülü veya fazla dişi olmayan kronolojik yaşı 9 ile 19 yıl arasında değişen 23 hastaya ait tedavi öncesi panoramik radyograf ve ortodontik modeller değerlendirildi. Hastaların dudak ve damak yarığı opere edilmiştir. Alt ark boyu uyumsuzluğunu belirlemede Hayes-Nance analizi kullanıldı. Geç karışık dişlenme dönemindeki hastalar için daimi premolar boyutları panoramik radyograflarla değerlendirildi. Pozitif ark boyu uyumsuzluğu diastema, negatif ark boyu uyumsuzluğu çapraşıklık olarak kabul edildi. Tanımlayıcı istatistikler sıklık ve yüzde oranları kullanılarak yapıldı ve farklar binomial test ile değerlendirildi.Bulgular: İncelenen 23 hasta içinde sadece bir hastada ark boyu uyumsuzluğu görülmedi. Kalan 22 hastanın % 47.8’inde (n = 10) diastema saptandı; bu miktar ortalama 3.6 ± 1.9 mm olarak bulundu. Alt ark çapraşıklığı ise %52.2 (n = 12), prevalans ile ortalama -2.9 ± 1.4 mm olarak bulundu. Çapraşıklık ve diastema prevalansları bakımından istatistiksel olarak önemli bir fark bulunmadı (p = 0.832). Sonuç: Tek taraflı DDY’ye sahip hastalarda, alt çenede, diastema ve çapraşıklığa aynı prevalansta rastlanabilmektedir. Görülen çapraşıklık hafif ile orta şiddettedir.
Anahtar Kelimeler:
Arkus dentalis, çapraşıklık, diyastem
Discrepancy in the lower arch perimeter in patients with a unilateral cleft lip and palate: orthodontic model analysis
Objective: This study aimed to assess the lower arch length discrepancy in a group of patients with unilateral cleft lip and palate (UCLP). Materials and Method: Pretreatment dental casts and panoramic radiographs of 23 patients (aged 9–19 years) with a nonsyndromic complete UCLP, without having large restorations/crowns, tooth agenesis, impacted or supernumerary teeth in the lower arch, and previous orthodontic and/or prosthetic treatment, were evaluated. All patients underwent lip and palate repair. Lower arch discrepancies were determined using the Hayes-Nance analysis. Panoramic radiographs were used to estimate the size of permanent premolars for the patients with late mixed dentition. The positive discrepancy defined diastema, whereas the negative discrepancy defined crowding in the lower arch. Descriptive statistics were presented using frequencies and percentages, and the differences were evaluated using the binomial test. Results: One out of 23 patients had no discrepancy in the lower arch. For the remaining patients (n = 22), the prevalence of diastema was 47.8% (n = 10), with a mean value of 3.6 ± 1.9 mm, and lower arch crowding was observed in 52.2% (n = 12), with a mean value of –2.9 ± 1.4 mm. No significant difference was found between the prevalence of crowding and diastema (p = 0.832). Conclusion: In patients with a UCLP, diastema can be encountered approximately at the same frequency as crowding in the lower arch. Crowding was at a low to mid-level.
Keywords:
Crowding, dental arch, diastema,
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- Yayın Aralığı: Yılda 3 Sayı
- Başlangıç: 1984
- Yayıncı: Gazi Üniversitesi Diş Hekimliği Fakültesi Dergisi
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