Retained upper third molars during Le Fort I osteotomy with downfracture

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COD: 02_2017_10_2675 Categorie: ,

Marco Friscia, Marzia Petrocelli, Carolina Sbordone, Raffaele Corvino, Fabio Maglitto, Francesco Maria Cassandro, Giorgio Iaconetta, Luigi Califano

Ann. Ital. Chir., 2017 88, 2: 155-159

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AIM: The aim of our study is to demonstrate that the presence of upper wisdom teeth must be evaluated before and
during Le Fort I osteotomy because attention must be focused to the disadvantages or facilitations of surgery depending
on molar presence.
MATERIALS OF STUDY: Our study has analyzed two groups, each one including 20 patients, 10 males and 10 females,
with an age between 16-30 years. The first group was treated with le Fort I osteotomy leaving in situ the wisdom
upper third molars. The second group was treated with Le Fort I osteotomy after the extraction of the wisdom upper
third molars.
RESULTS: Group A: upper third molar avulsion, necessary in 5 cases, was the main reason for prolongation of surgical
time. However, in group A, increased bleeding occurred in 3 cases, bone irregularities and bone interferences occurred
in 2 cases, neurological injuries occurred in 2 cases, any complications occurred in 8 cases. Group B: the management
of the hemorrhage resulting from the vascular injuries, occurred in 7 cases, was the main reason for prolongation of surgical
time. However, in group B, bone irregularities and bone interferences occurred in 4 cases, neurological injuries
occurred in 3 cases, any complication occurred in 6 cases.
DISCUSSION: In literature is actually discussed the risks related to the presence of lower third molars during mandibular
osteotomies.
CONCLUSIONS: Our study is designed to be helpful to the beginner surgeons during them first time approach to this kind
of surgery.