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FORAMEN MENTALE'NİN ÇAP VE LOKALİZASYONUNUN KURU KEMİK VE PANORAMİK RADİOGRAFİDE KARŞILAŞTIRILMASI

COMPARISON OF THE DIAMETER AND THE LOCATION OF MENTAL FORAMEN IN DRY MANDIBLES AND PANORAMIC RADIOGRAPHS

Journal Name:

  • İstanbul Üniversitesi Diş Hekimliği Fakültesi Dergisi

Publication Year:

  • 2004

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
The anatomical measurements of Foramen Mentale is of practical importance to the dental and plastic surgical procedures. To determine the morphology of the mental foramen, measurements of dry mandibles and panoramic radiographs were compared. 45 dry mandible from the anatomy department of dental school at Istanbul University and 114 panoramic radiographs taken İn the radiology department of the same school were examined. Mean horizontal diameter was 3.39 mm., mean vertical diameter was 2.58 mm. for dry mandible and these values were 4.06, 3.22 mm. for panoramic radiographs, respectively. Localisations relative to the teeth were found as: under the first premolar (7.9%), between the first and the second premolars (40.7%), under the second premolar (42.1%)and distal to the second premolar (9.2%). Results for the panoramic radiographs were: 7.8%, 38.2%, 49%, 5.8% respectively. The distance between the mental foramen and midline of the mandible-the posterior border of the ramus of mandible-the inferior border of the mandible- the dentolous alveolar process and the edentolous alveolar process were 25.73, 65.80, 13.40, 13.81, 9.76 mm respectively. Radiographic findings were as the following : 30.74, 69.24, 13.23, 18.24, 9.80 mm in order. The distance between two mental foramens was 51.46 for dry mandible and 62.48 for radiographs. Unilateral double mental foramen was determined in a case. In the panoramic radiograph of an edentolous mandibula, mental foramen was on the top of the alveolar process. In conclusion, datas of dry mandible should be considered while planning the clinical trials on radiographs.
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Abstract (Original Language): 
Foramen mentale'ni n anatomik özellikleri dişhekimliği cerrahi kliniklerinde, implantolojide ve plastik cerrahide oldukça önemlidir. Foramen mentale'nin morfolojisi ve konumu kuru kemikte ve panoramik radyografide ölçümler yapılarak karşılaştırıldı. İ.Ü. Dişhekimliği fakültesi anatomi laboratuarına ait 45 adet kuru kemik mandibula ve aynı fakültenin radyoloji bölümünde çekilmiş 114 panoramik radyografi kullanıldı. Foramen mentale'nin kemik ve radyografideki değerleri ortalama olarak şöyle bulundu: Kemikte yatay çap 3.39 mm. dikey çap 2.58 mm, radyografide sırasıyla 4.06; 3.22 mm. Dişlere göre lokalizasyon: Kemikte 1. premolar altında %7.9, 1-2. premolar arasında % 40.7, 2. premolar altında % 42.1, 2. premolar distalinde %9.2 olarak tespit edildi, Bu değerler panoramik grafılarde sırasıyla %7.8, %38.2, %49; %5.8 olarak saptandı. Foramen mentale'nin orta çizgiye uzaklığı kemikte 25.73 mm, ramus mandibula'nm arka kenarına uzaklığı 65.80 mm. Mandibula'm alt kenarına uzaklığı 13.40 mm., dişli çenede alveol kenarına 13.81 mm., dişsiz çenede alveol kretİne 9.76 mm., panoramik filmlerde İse sırasıyla: 30.74, 69.24, 13.23, 18.24, 9.80 mm. olarak ölçüldü. İkİ foramen mentale arası kemikte 51.46, filmde 62.48 mm. olarak bulundu. Bir olguda tek taraflı çift foramen mentale'ye rastlandı. Foramen mentale panoramik grafİlerde bir dişsiz mandİbuîa'da alveol kreti üzerinde yer almaktaydı. Sonuç olarak klinik girişimler radyografiler üzerinde planlansa da kemik değerleri göz önüne alınmalıdır.
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