2024-03-28T14:51:03Z
https://edj.journals.ekb.eg/?_action=export&rf=summon&issue=11593
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
A Correlation Between The Histology of Regenerated Bone In Augmented Sockets And Implant Stability Quotients. A Clinical And Histological Randomized Study
Karim
Mohamed
Waleed
Abbas
Moustafa
Taha
Purpose: to correlate between the newly formed bone in different augmented extraction sockets and implant stability quotients, in-favor of reaching the preferred socket augmentation material following application of either platelet-rich fibrin (L-PRF) or Xenograft as augmentation materials or either leaving the sockets non-augmented for enhancement of new bone formation, using histologic assessment and implant stability assessment following implant placement.Methodology: This study was conducted on 27 patients (19 females and 8 males) with age range of (23-49 years), the mean age was (37,5±5), with 42 fresh extraction sockets in the esthetic zone (13 first premolars, 13 second premolars, 5 canines, 5 lateral incisors and 6 central incisors). Patients were randomly allocated to one of three main groups (A, B, C) which were further divided into six subgroups according to time of implant placement: Group A3: (n=7), Group A6 (n=7), where L-PRF was applied alone immediately after extraction. Group B3 (n=7), Group B6 (n=7): in which Bio-Oss was placed immediately after extraction. Group C3 (n=7), Group C6 (n=7): in which sockets were left un-augmented. All groups were assessed using resonance frequency analysis (RFA) for implant stability, and histologically where core biopsies were collected at time of implant placement. Correlation was done between the two methods of assessment to reach the preferred augmentation material for bone enhancement. Results: There was a statistically significant direct (positive) correlation between bone formation % using Hematoxylin and Eosin (H&E) stain and Implant Stability Quotient (ISQ) scores after 6 months in control group. An increase in bone formation % is associated with an increase in ISQ scores and vice versa. There was no statistically significant correlation between bone formation % using H&E stain and ISQ scores in all other groups or subgroups.Conclusion: PRF in the amount used in the current study had a negligible impact on the overall bone quantity in post-extraction sockets or implant stability, leaving sockets un-augmented for six months or more is preferred where bone quality and implant stability are enhanced.
L-PRF
Xenograft
Socket augmentation
implant placement
RFA
2020
01
01
65
76
https://edj.journals.ekb.eg/article_77513_8ce3373fb0b104b8fdf2078081063af9.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
REMODELING OF THE TEMPROMANDIBULAR JOINT FOLLOWING DIFFERENT RATES OF MANDIBULAR DISTRACTION OSTEOGENESIS (AN EXPERIMENTAL STUDY)
Hala
Ragab
Amel
El Hak
Introduction: patients with craniofacial deformities resulting from trauma, infection, tumors and congenital defects usually require skeletal expansion. Tradition treatment methods, involve autogenous bone grafting, which often results in problems including graft resorption, infection and donor site morbidity. Distraction osteogenesis has been adopted more and can help overcome these problems. Aim of the work: the purpose of this study was to compare histologically the effect of bilateral distraction osteogenesis of the mandibular body at different rates on the integrity of the condylar cartilage in rabbits. Material and Methods: This study was performed on 2 groups of twelve healthy rabbits (adult male) : (group 1 and group 2) each group (n=6 rabbits, and 12 joints). Two rabbits (4 joints) in each subgroup according to the post distraction period (1, 2, and 4 weeks). In group 1, the distraction was performed daily at rate of 1 mm for 5 days. In group 2, the distraction was performed twice daily at rate of 1.5 mm (3 mm per day) for 5 days.Results: Animals in both groups (1 and 2) showed changes in condylar head, which seemed to be reversible according to the post distraction period. After the first week, condylar layers were decreased in thickness with irregular fibrous outline, bone trabeculae were decreased in number and invaded by large number of osteoclasts. After the second week, the condylar head showed evidence of regeneration of all layers including the disc. After the fourth week, the subchondral area started to be refilled with new bone with numerous osteoblast. Group 2 (3 mm per day) showed more bone and collagen formation.Conclusion: this experimental study reported that distraction rates of 1 mm per day and 3 mm per day showed degenerative change in the TMJ condylar cartilage in the first post distraction week. At the second week, all the condyles showed adaptive and remodeling signs. Regeneration to the normal histological structure appeared in the fourth post distraction weeks, in group 2 (3 mm per day) more than in group 1 (1 mm per day).
2020
01
01
77
85
https://edj.journals.ekb.eg/article_77517_a85ded4095ec98e3a2eccd46a02b9aa8.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
Complications in orthognathic surgery: a retrospective study
Moustafa
Taha
Amr
Ghanem
Mohamed
Amin
Karim
Abdelmohsen
Orthognathic surgery is safe and reliable surgery, but in rare cases there may be some complications that can be disastrous and even sometimes fatal. In this study, we aim to analyze the different types of complications in orthodontic surgeries. This study is a retrospective investigation of the records of 12 patients who underwent orthognathic surgery between 2015 and 2016 in the Department of Oral and Maxillofacial Surgery at Ain Shams University, Cairo, Egypt. The types of complications were documented, and separate surgical factors were recorded and evaluated. A number of complications have been identified, such as poor bite of teeth after surgery, morbidity or nerve pain, failure of plates and screws and relapse. We found that more complications were present in the time consuming surgeries. In summary, postoperative malocclusion, bad split and infection are the most common complications in orthodontic surgeries.
Complications
Orthognathic surgery
malocclusion
2020
01
01
87
94
https://edj.journals.ekb.eg/article_77518_f4cd814ea31db29d1ad837bd60b71473.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
Dextrose Prolotherapy versus Low Level Laser Therapy (LLLT) for Management of Temporomandibular Joint Disorders (TMD): Clinical Randomized controlled Study
Nermeen
Hassanien
Heba
Kamel
Sayed
Rashed
Objective: To compare the effects of dextrose prolotherapy and low level laser therapy in terms of the pain (VAS) and maximum interincisal opening (MIO) in treatment of temporomandibular disorders.Patients and Methods: Twenty patients (10 males & 10 females) with temporomandibular disorders TMD participated in this clinical trial. All patients were randomly divided into two equal groups. In dextrose group; 12.5% Dextrose was injected into 3 targeted areas, the posterior joint space, the anterior disc attachment and superior attachment of masseter muscle. Dextrose prolotherapy was performed at 2 weeks, and 4 weeks intervals. In laser group; semi conductive (diode) gallium arsenide (Ga As) laser was utilized in this study. The therapeutic LLLT application was performed 3 times per week for four consecutive weeks. The primary outcome measure was the severity of the pain at rest assessed with visual analogue scale (0-10 cm). The secondary outcome measure was Maximum interincisal opening (MIO). All the evaluations in both groups were done at baseline, 2 weeks, and 4 weeks subsequent to the treatment.Results :The results demonstrated insignificant difference between the means of dextrose prolotherapy and laser groups in terms of VAS (at rest), MIO degree values before treatment (base line) (p>0.05). When the changes in the groups after treatment were compared, there was no significant difference between the means of dextrose and laser groups regarding VAS (at rest) after 2 weeks and 4 weeks (p- value>0.05). However, there was a statistical significant difference (P-value = 0.001) between the means of both groups regarding MIO after 2 weeks and 4 weeks (P-value <0.001). The improvement in maximum interincisal opening was greater in the group that submit to dextrose prolotherapy in comparison to the laser group (p<0.05).Conclusions: In temporomandibular disorders dextrose prolotherapy is more efficient in improving maximum interincisal opening in comparison to low level laser therapy. However, both treatments have the same effect in reducing pain at rest.
Temporomandibular disorders
Low level laser therapy
Dextrose prolotherapy
2020
01
01
95
106
https://edj.journals.ekb.eg/article_77519_3365101dc5052571a9b11fd46992bca3.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
Extraction of Mandibular Posterior Teeth: Comparison between standard Inferior Alveolar Nerve Block and Local Infiltration anesthesia
Sally
Awad
Samah
Mourad
Objective: The current study assessed the success of infiltration anesthesia versus inferior alveolar nerve block (IANB) anesthesia during (mobile and non-vital) teeth extraction in posterior mandible. Materials and methods: In a prospective study, 120 patients were included to extract one tooth for each patient in the posterior mandible under local anesthesia either by local infiltration = 60 (18 males, 42 females); or IANB = 60 (32 males, 28 females). Comparing anesthetic success rate of the two techniques and time until onset of anesthetic action (min). Results: IANB was successful in 100% of the patients, where infiltration anesthesia succeeded in 85%. In addition, duration until onset of action was found to be equal with p =(0.7) Conclusion: Infiltration technique offers a simpler substitute with less complication compared to IANB in establishing effective anesthesia for mandibular mobile and non-vital posterior teeth during intra-alveolar dental extractions.
IANB
infiltration
Extraction
Lidocaine
mandibular molars
2020
01
01
107
112
https://edj.journals.ekb.eg/article_77521_117b4d6a8c3562691f556ba3d53e2444.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
COMPARISON BETWEEN MAXILLARY SINUS LIFTING IN COMBINATION WITH IMPLANT PLACEMENT WITH VERSUS WITHOUT BONE GRAFTS (CLINICAL AND RADIOGRAPHIC STUDY)
Omar
El-Prince
Hala
Ragab
Objective: The current study assessed the success of infiltration anesthesia versus inferior alveolar nerve block (IANB) anesthesia during (mobile and non-vital) teeth extraction in posterior mandible. Materials and methods: In a prospective study, 120 patients were included to extract one tooth for each patient in the posterior mandible under local anesthesia either by local infiltration = 60 (18 males, 42 females); or IANB = 60 (32 males, 28 females). Comparing anesthetic success rate of the two techniques and time until onset of anesthetic action (min). Results: IANB was successful in 100% of the patients, where infiltration anesthesia succeeded in 85%. In addition, duration until onset of action was found to be equal with p =(0.7) Conclusion: Infiltration technique offers a simpler substitute with less complication compared to IANB in establishing effective anesthesia for mandibular mobile and non-vital posterior teeth during intra-alveolar dental extractions.
IANB
infiltration
Extraction
Lidocaine
mandibular molars
2020
01
01
113
122
https://edj.journals.ekb.eg/article_77522_dd5cbcfe22807450e205ec37182f4089.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
Fixation free Inter-positional mandibular grafting a novel technique for alveolar ridge height augmentation versus the conventional fixation technique. (Randomized control clinical trial)
Hesham
Abdelmoneim
Mohamed
Ashraf
Radwa
Elsharkawy
The aim of this study is to determine whether the technique of interpositional grafting of the posterior mandible without the use of fixation device (using bone blocks alone) is superior to the conventional interpositional grafting with fixation (plates and screws). This study was conducted on 15 patients in which 16 mandibular segments were augmented, segments were randomly divided into 2 groups, control receiving interpositional segmental grafting of the posterior mandible with fixation and intervention group receiving same procedure but without grafting and fixed via chin bone blocks. Results revealed better overall clinical and radiographic results toward the intervention group in terms of graft resorption and application but was statistically non-significant, while the histological evaluation yielded to the postulation that no microscopic difference between both techniques in terms of the resultant bone. Thus concluding that interpositional grafting technique without the use of a fixation device was a reliable technique for vertical ridge augmentation of the atrophied posterior mandibular ridges with promising rates of success, reduced complications and reduced bone resorption values compared to conventional interpositional grafting with fixation protocol.
Interpositional grafting
inlay graft
fixation free interpositional graft
vertical ridge augmentation
2020
01
01
123
130
https://edj.journals.ekb.eg/article_77523_71289e8c57e1acac8c3566bd13870e3a.pdf
Egyptian Dental Journal
0070-9484
0070-9484
2020
66
Issue 1 - January (Oral Surgery)
Computer guided flapless vestibular to lingual trans-alveolar implant insertion for All on four implant prosthesis in case of severely atrophied mandible: A short term clinical and radiographic study
Samah
Mourad
Sally
Awad
Ali
Shamaa
Aim: This short-term investigation aimed to study the outcomes of computer guided flapless vestibular to lingual implant insertion for All on four implant prosthesis in case of severely atrophied mandible. Material and methods: Six (3 men and 3 women) edentulous patients (mean age of 59 years) with atrophied mandibles received four implants using the computer guided flapless surgical protocol and a stereolithographic surgical guide. The posterior implant was installed in bicuspid region lingual to mental foramen and inclined in buccolingual trans-alveolar direction to engage the lingual cortical plate. Fixtures were loaded by the old denture the same day of implant placement. Plaque and bleeding scores, probing depth, fixture mobility and loss of bone around implants were measured at baseline (immediately after loading), 6 and 12 months thereafter. Results: There was a significant increase in plaque scores, probing depth and resorption of bone with passage of time. gingival scores and stability of the implants did not change with time. Premolar implants showed significant higher plaque scores, probing depth and marginal loss of bone compared to canine implants. Two posterior implants were lost resulting in survival rate of 91.6% after one year. Conclusion:Within the limits of this study, it could be concluded that computer guided flapless vestibular to lingual trans-alveolar posterior implant insertion for All on four implant prosthesis in case of severely atrophied mandible is a predictable and reliable method as it was associated with favourable clinical and radiographic peri-implant outcomes after one year. Key words: Computer guided, flapless, implants, severely atrophied, mandible.
2020
01
01
131
141
https://edj.journals.ekb.eg/article_77524_c3e4a69521fb8500a0c8d3611168de57.pdf