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Register a new userThe Effect of Soft laser Therapy in Reducing the Edema after Maxillofacial Surgery
أثر تطبيق الليزر اللين في تخفيف الوذمة التالية للجراحة الوجهية الفكّية
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Damascus University ورقة بحثية
Publication date
2004
fields
Dentistry
and research's language is
العربية
Authors
مازن زيناتي( باحث )
Created by
Shamra Editor
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على الرغم من شيوع استعمال أجهزة الليزر اللين ( laser Soft ) في طب الأسنان في الوقت الحالي و خصوصا في مجال جراحة الفم و الوجه و الفكين بوصفه وسيلة مهمة للـسيطرة على الوذمة التالية للجراحة الوجهية الفكية (حسب ادعاء الشركات المنتجة لها) إلاّ أن قلّة وجود بحوث حيادية تطرق باب هذا الموضوع بشكل علمي كان الدافع لنا للقيام بهذا البحث الذي من خلاله و في الفترة الممتدة من عام 1996 حتى عام 2003 قمنا بإجراء 160 عملية قلع جراحي لأرحاء ثالثة سفلية منطمرة عند 80 مريضاً تم اختيارهم للبحث وفـق معـايير دقيقة و جرى استخدام جهاز الليزر اللين بعد إجراء العملية في الطرف الأيسر و تمت بعـد ذلك مقارنة نتيجة التطبيق مع الطرف الشاهد الأيمن الذي لم يطبق فيه الليزر اللـين أو أي وسيلة أخرى للسيطرة على الوذمة، و قد تبين نتيجة البحث أن الفائدة العظيمة التي تتباهى بها الشركات المنتجة ليست حقيقية و أن البحث المقارن الحيادي قد أثبت أن استخدام الليزر اللين ليس له تأثيرات باهرة في تخفيف الوذمة بعد جراحة قلع الأرحاء المنطمرة أو في منع حدوث وذمة شديدة، مما يحتّم ضرورة توخي الحذر عند قـراءة البحـوث الـصادرة عـن الشركات المنتجة لتلك الأجهزة الليزرية و التي غالباً ما تصور أجهزتها علـى أنّهـا ذات مفعول سحري.
Although the use of Soft Laser appliances has become common in dental practice especially in the field of oral and maxillofacial surgery as an important method for controlling the edema that may occur after oral and maxillofacial surgery (as said by the manufacturing companies ),there are just a few neutral researches that deal scientifically with this subject, so that is our motive to do in this research .In this study, and between May 1996 and May 2003, 80 patients were carefully selected so 160 lower third molars were surgically extracted , the soft laser was applied on the left side and after that the results compared with the results of the right side operations which were not subjected to any method for controlling edema. The results were disappointing and the great advantages that were confirmed by the manufacturing companies were not true while the neutral comparative research emphasized that the usage of Soft laser treatment has no magical effect in reducing or preventing the occurrence of severe edema after the surgery of impacted lower third molars , so we want to warn every dentist to be careful when reading a research sponsored by the manufacturing companies of Soft laser appliances.
References used
Lyons ,G.P., Levy G., Jefery,R.,H., – Biostimulation of wound healing in vivo by He-Ne laser – Annals of plastic surgery 3:18-19- 1999
Kaufman . H.W.- clinical applications of lasers in dentistry – Compend. Contin.Educ.Dent.IX :7-1998
Kana T.,K., Kinersly D.S. ,Melcer C.L.,– Effects of low power density laser therapy of pain _ Laser in dentistry B.D.J. 3: 40-43, 1995
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several articles on animal model and laboratory investigations Indicate that soft
laser induce cellular and tissue motivation and heals wounds.
Ami of the study: to investigate histological modification in oral squamous non-keratinized epithelium
upon applying soft laser in several doses and studding the alteration in keratinization and the possibility
to have neoplastic transformation.
The objective of this study was to Compare between The Effect Of
secondary closure and Rubber Drain post surgical Extraction to
Impacted Lower Third Molars On edema, pain, and trismus level.
Clinical trial included symmetric bilateral 40 lower thi
rd molar in
20 patients whose ages between18-45 years. The sample was
randomly divided into two groups:
Group 1: included 20 molars ,a 4–5 mm wedge of mucosa adjacent
to the second molar was removed to obtain secondary healing.
Group 2: included 20 molars ,a rubber drain was inserted into the
extraction socket near the buccal fold after surgery and left for 72h.
Edema, pain and trismus were measured On first , third and seventh
day following surgery.
The findings showed a significant difference between the effect of
secondary closure and rubber drain on the Edema, pain and trismus
after surgical Extraction of Impacted Lower Third Molars.
The Edema, pain and trismus were less in secondary closure group.
Despite of the great evolution in the field of radiological technologies ,
panoramic radiography is still the most important radiological –diagnostic
method in the maxillofacial area .
Panoramic radiographs reveal a wide area of tissue in one x-ra
y.
In addition . It seems to be preferred by the maxillofacial surgeon due to its
simplicity and rapidity of application , and low dose of radiation.
In oral and maxillofacial fractures , panoramic radiography is still the best
way of having a quick and preliminary diagnosis of most of these fractures.
In our study we made a precise diagnosis of about 88.79% of our cases by
using this method .
For that we recommend to use panoramic radiography in most cases of oral
and maxillofacial injuries .
In cases that clinical diagnosis does not match the panoramic radiography
diagnosis we must look for another radiological method.
Soft laser applications continue to improve local bone mineral density which is considered the most important factor in dental implant success.
This study aims to evaluate the Trabecular to Cortical bone ratio (TCr) index -as a simple easy measureme
nt index- that expresses the bone mineral density. This is to be able to predict the success of dental implants.
The study included 40 patients, who had a single implant in the lower molar region. The patients are divided into two groups: 20 patients had an implant with a soft laser application, i.e. GaAlAs laser (wavelength 830 nm), and 20 patients had an implant without a soft laser application.
Ordinary Analog periapical radiographs were used with calibration Stepwedge of pure aluminum, a medical Dijora program was used to measure radiographically local bone density in the periapical radiographs, and a panoramic Tomography was made to study TCr and two bone density indices (thickness ratio x density ratio) and (equivalent Aluminium thickness). All were measured during the period before implantation and 3, 6, and 9 months after the implantation.
The study found a strong linear correlation between the TCr and (thickness ratio x density ratio) 0.001>P, R2= 0.842 36(r = 0.8. and equivalent Aluminium thickness(
0.001> P, R2 = 0.656735, (r = 0.8).
The study shows that TCr index expresses both radiographic indices which reflect the local bone density, which means that the TCr is associated with such density. Therefore, it can be used as an easy way to predict the quality of bone, and prognosticate the success of dental implants.
The aim of this study was to evaluate the efficacy of
dexamethasone, as a single 4-mg dose, which was injected into the
masseter muscle upon completion of extraction of impacted lower
third molars . this study is A prospective, randomized controll
ed
study .
This study involves 40 healthy patients of both sexes with impacted
mandibular third molars in this study . The difficulty of extraction
was similar in all cases. The test side received 4 mg of dexamethasone This dose was injected into the masseter muscle via
the intrabuccal approach, immediately after suturing of the surgical
wound. The control side received 4 mg of dexamethasone injected
into the gluteal area.
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