The Experts below are selected from a list of 285 Experts worldwide ranked by ideXlab platform
Stavros Kiliaridis - One of the best experts on this subject based on the ideXlab platform.
-
Gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Objectives The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Materials and methods Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. Results No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Conclusions Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. Clinical relevance During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpersjagtman, Stavros KiliaridisAbstract:The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
skeletal and dental stability of segmental distraction of the anterior mandibular Alveolar Process a 5 5 year follow up
International Journal of Oral and Maxillofacial Surgery, 2013Co-Authors: Stavros Kiliaridis, Christof Urs Joss, M Antonini, A Triaca, Anne Marie KuijpersjagtmanAbstract:17 patients (14 female; 3 male) were analysed retrospectively for skeletal and dental relapse before distraction osteogenesis (DO) of the mandibular anterior Alveolar Process at T1 (17.0 days), after DO at T2 (mean 6.5 days), at T3 (mean 24.4 days), at T4 (mean 2.0 years), and at T5 (mean 5.5 years). Lateral cephalograms were traced by hand, digitized, superimposed, and evaluated. Skeletal correction (T5-T1) was mainly achieved through the distraction of the anterior Alveolar segment in a rotational manner where the incisors were more proclined. The horizontal backward relapse (T5-T3) measured -0.3mm or 8.3% at point B (non-significant) and -1.8mm or 29.0% at incision inferior (p<0.01). Age, gender, amount and type (rotational vs. translational) of advancement were not correlated with the amount of relapse. High angle patients (NL/ML'; p<0.01) showed significant smaller relapse rates at point B. Overcorrection of the overjet achieved by the distraction could be a reason for dental relapse. Considering the amount of long-term skeletal relapse the DO could be an alternative to bilateral sagittal split osteotomy for mandibular advancement in selected cases.
-
Neurosensory and functional evaluation in distraction osteogenesis of the anterior mandibular Alveolar Process
International journal of oral and maxillofacial surgery, 2012Co-Authors: Christof Urs Joss, A Triaca, M Antonini, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Neurosensory status and craniomandibular function of 19 patients (mean age 35.2 years, range 17.8-58.8 years) treated by combined surgical orthodontic treatment with distraction osteogenesis of the mandibular anterior Alveolar Process (DO group) was compared with that in 41 orthodontically treated patients (mean age 22.9 years, range 15.1-49.0 years; control group). Clinical examination took place on average 5.9 years (DO group) and 5.4 years (control group) after treatment ended. Neurosensory status was determined by two-point discrimination (2-pd) and the pointed and blunt test. Lateral cephalograms evaluated advancement of the mandibular Alveolar Process and possible relapse. There was no significant difference in craniomandibular function and neurosensory status between the groups. Age was significantly correlated with 2-pd at the lips (DO: p=0.01, R=0.575; control group: p=0.039, R=0.324) and chin (DO: p=0.029, R=0.501; control group: p=0.008, R=0.410). Younger patients had smaller 2-pd values. Gender, age, the amount of advancement, and relapse at point B or incision inferior show no correlation with craniomandibular function and neurosensory impairment. DO of the mandibular anterior Alveolar Process is a valuable and safe method with minor side effects regarding neurosensory impairment.
-
skeletal and dental stability of segmental distraction of the anterior mandibular Alveolar Process a 2 year follow up
International Journal of Oral and Maxillofacial Surgery, 2012Co-Authors: Christof Urs Joss, Stavros Kiliaridis, M Antonini, A Triaca, Anne Marie KuijpersjagtmanAbstract:33 patients (27 females; 6 males) were retrospectively analysed for skeletal and dental relapse before distraction osteogenesis (DOG) of the mandibular anterior Alveolar Process at T1 (17.0 days), after DOG at T2 (mean 6.5 days), at T3 (mean 24.4 days), and at T4 (mean 2.0 years). Lateral cephalograms were traced by hand, digitized, superimposed, and evaluated. Skeletal correction (T3-T1) was mainly achieved through the distraction of the anterior Alveolar segment in a rotational manner where the incisors were more proclined. The horizontal backward relapse (T4-T3) measured -0.8mm or 19.0% at point B (p<0.001) and -1.6mm or 25.0% at incision inferior (p<0.001). Age, gender, amount and type (rotational versus translational) of advancement were not correlated with the amount of relapse. High angle patients (NL/ML'; p<0.01) and patients with large gonial angle (p<0.05) showed significantly smaller relapse rates at point B. Overcorrection of the overjet achieved by the distraction was seen in a third of the patients and could be a reason for relapse. Considering the amount of skeletal relapse the DOG could be an alternative to bilateral sagittal split osteotomy for mandibular advancement in selected cases.
Christof Urs Joss - One of the best experts on this subject based on the ideXlab platform.
-
Gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Objectives The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Materials and methods Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. Results No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Conclusions Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. Clinical relevance During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpersjagtman, Stavros KiliaridisAbstract:The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
skeletal and dental stability of segmental distraction of the anterior mandibular Alveolar Process a 5 5 year follow up
International Journal of Oral and Maxillofacial Surgery, 2013Co-Authors: Stavros Kiliaridis, Christof Urs Joss, M Antonini, A Triaca, Anne Marie KuijpersjagtmanAbstract:17 patients (14 female; 3 male) were analysed retrospectively for skeletal and dental relapse before distraction osteogenesis (DO) of the mandibular anterior Alveolar Process at T1 (17.0 days), after DO at T2 (mean 6.5 days), at T3 (mean 24.4 days), at T4 (mean 2.0 years), and at T5 (mean 5.5 years). Lateral cephalograms were traced by hand, digitized, superimposed, and evaluated. Skeletal correction (T5-T1) was mainly achieved through the distraction of the anterior Alveolar segment in a rotational manner where the incisors were more proclined. The horizontal backward relapse (T5-T3) measured -0.3mm or 8.3% at point B (non-significant) and -1.8mm or 29.0% at incision inferior (p<0.01). Age, gender, amount and type (rotational vs. translational) of advancement were not correlated with the amount of relapse. High angle patients (NL/ML'; p<0.01) showed significant smaller relapse rates at point B. Overcorrection of the overjet achieved by the distraction could be a reason for dental relapse. Considering the amount of long-term skeletal relapse the DO could be an alternative to bilateral sagittal split osteotomy for mandibular advancement in selected cases.
-
Neurosensory and functional evaluation in distraction osteogenesis of the anterior mandibular Alveolar Process
International journal of oral and maxillofacial surgery, 2012Co-Authors: Christof Urs Joss, A Triaca, M Antonini, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Neurosensory status and craniomandibular function of 19 patients (mean age 35.2 years, range 17.8-58.8 years) treated by combined surgical orthodontic treatment with distraction osteogenesis of the mandibular anterior Alveolar Process (DO group) was compared with that in 41 orthodontically treated patients (mean age 22.9 years, range 15.1-49.0 years; control group). Clinical examination took place on average 5.9 years (DO group) and 5.4 years (control group) after treatment ended. Neurosensory status was determined by two-point discrimination (2-pd) and the pointed and blunt test. Lateral cephalograms evaluated advancement of the mandibular Alveolar Process and possible relapse. There was no significant difference in craniomandibular function and neurosensory status between the groups. Age was significantly correlated with 2-pd at the lips (DO: p=0.01, R=0.575; control group: p=0.039, R=0.324) and chin (DO: p=0.029, R=0.501; control group: p=0.008, R=0.410). Younger patients had smaller 2-pd values. Gender, age, the amount of advancement, and relapse at point B or incision inferior show no correlation with craniomandibular function and neurosensory impairment. DO of the mandibular anterior Alveolar Process is a valuable and safe method with minor side effects regarding neurosensory impairment.
-
skeletal and dental stability of segmental distraction of the anterior mandibular Alveolar Process a 2 year follow up
International Journal of Oral and Maxillofacial Surgery, 2012Co-Authors: Christof Urs Joss, Stavros Kiliaridis, M Antonini, A Triaca, Anne Marie KuijpersjagtmanAbstract:33 patients (27 females; 6 males) were retrospectively analysed for skeletal and dental relapse before distraction osteogenesis (DOG) of the mandibular anterior Alveolar Process at T1 (17.0 days), after DOG at T2 (mean 6.5 days), at T3 (mean 24.4 days), and at T4 (mean 2.0 years). Lateral cephalograms were traced by hand, digitized, superimposed, and evaluated. Skeletal correction (T3-T1) was mainly achieved through the distraction of the anterior Alveolar segment in a rotational manner where the incisors were more proclined. The horizontal backward relapse (T4-T3) measured -0.8mm or 19.0% at point B (p<0.001) and -1.6mm or 25.0% at incision inferior (p<0.001). Age, gender, amount and type (rotational versus translational) of advancement were not correlated with the amount of relapse. High angle patients (NL/ML'; p<0.01) and patients with large gonial angle (p<0.05) showed significantly smaller relapse rates at point B. Overcorrection of the overjet achieved by the distraction was seen in a third of the patients and could be a reason for relapse. Considering the amount of skeletal relapse the DOG could be an alternative to bilateral sagittal split osteotomy for mandibular advancement in selected cases.
Grethe Jonasson - One of the best experts on this subject based on the ideXlab platform.
-
The rise and fall of the Alveolar Process: Dependency of teeth and metabolic aspects
Archives of oral biology, 2018Co-Authors: Grethe Jonasson, Ingmarie Skoglund, Marianne RythénAbstract:Abstract The Alveolar bone has a unique capacity to follow the teeth’s movements. It is formed around erupting teeth and their periodontal ligaments: the more the teeth have erupted, the larger the Alveolar Process. Throughout life the teeth erupt and migrate in an occlusal and mesial direction to compensate for attrition, an evolutionary trait. After tooth extraction, the Alveolar Process is resorbed to varying degrees. The mandibular Alveolar bone mirrors skeletal bone condition. Due to fast bone turnover (which is the fastest in the whole skeleton), low bone mass and increased fracture risk may first be seen here. If a periapical radiograph of the mandibular premolars shows a dense trabeculation with well-mineralized trabeculae and small intertrabecular spaces, it is a reliable sign of normal skeletal bone density (BMD) and low skeletal fracture risk, whereas a sparse trabecular pattern indicates osteopenia and high fracture risk. The bone turnover rate in the mandible is twice that of the maxilla, and may, hypothetically, play a role in the development of osteonecrosis of the jaw (ONJ), which has been found mainly in the mandibular Alveolar Process?
-
Changes in the bucco-lingual thickness of the mandibular Alveolar Process and skeletal bone mineral density in dentate women: a 5-yr prospective study.
European journal of oral sciences, 2005Co-Authors: Grethe Jonasson, Stavros KiliaridisAbstract:After tooth extraction there is a great interindividual variation in the remodelling pattern of the Alveolar Process in edentulous areas, with some individuals losing little bone and others undergoing extensive resorption. However, little is known about possible longitudinal changes in the dentate region of the Alveolar Process of adults and if these are related to alterations in the skeletal bone mineral density (BMD). In a prospective study, on two occasions, 5-yr apart, the BMD of 117 women was determined in the distal forearm by using dual-energy X-ray absorptiometry, and the bucco-lingual thickness of the mandibular Alveolar Process was measured on dental casts by using a dial calliper. A decrease in the mean Alveolar thickness, exceeding a cut-off value of 0.1 mm, was found in 60% of the women and an increase was found in 3% of the individuals. This decrease was 0.22 +/- 0.20 mm in the posterior region and 0.16 +/- 0.19 mm in the anterior region. The changes in Alveolar thickness in the posterior region were significantly correlated to the BMD changes both on the mid-crestal level site and on the cervical level site. We conclude that the bucco-lingual thickness decreases with age in the dentate Alveolar Process, possibly owing to periosteal resorption related to skeletal bone loss.
-
cervical thickness of the mandibular Alveolar Process and skeletal bone mineral density
Acta Odontologica Scandinavica, 1999Co-Authors: Grethe Jonasson, Stavros Kiliaridis, Ronny GunnarssonAbstract:Much effort has been devoted to finding methods for detecting individuals with low bone mass and risk of osteoporotic fractures. The aim of the present study was to investigate whether there is a relationship between the thickness of the Alveolar Process and the bone mineral density (BMD) of the distal forearm. In 24 women (38-65 years), the BMD of the distal forearm, obtained by dual X-ray absorptiometry, was correlated to the difference between two measures of the thickness of the mandibular Alveolar Process in the region of the first premolar. A highly significant correlation (r = 0.95, P< 0.001) was found. The method was cross-validated by using the equation obtained from the linear regression analysis above to predict BMD in two other groups. In both groups, the correlation between the measured BMD of the forearm and the predicted BMD was highly significant (r = 0.91, P< 0.001). The interdental thickness between the canine and the second incisor was also correlated to BMD, but with lower predictive value (r = 0.67, P<0.001). Measurements of the mandibular Alveolar Process can be used as one of several parameters to predict skeletal bone density.
-
Cervical thickness of the mandibular Alveolar Process and skeletal bone mineral density.
Acta odontologica Scandinavica, 1999Co-Authors: Grethe Jonasson, Stavros Kiliaridis, Ronny GunnarssonAbstract:Much effort has been devoted to finding methods for detecting individuals with low bone mass and risk of osteoporotic fractures. The aim of the present study was to investigate whether there is a relationship between the thickness of the Alveolar Process and the bone mineral density (BMD) of the distal forearm. In 24 women (38-65 years), the BMD of the distal forearm, obtained by dual X-ray absorptiometry, was correlated to the difference between two measures of the thickness of the mandibular Alveolar Process in the region of the first premolar. A highly significant correlation (r = 0.95, P< 0.001) was found. The method was cross-validated by using the equation obtained from the linear regression analysis above to predict BMD in two other groups. In both groups, the correlation between the measured BMD of the forearm and the predicted BMD was highly significant (r = 0.91, P< 0.001). The interdental thickness between the canine and the second incisor was also correlated to BMD, but with lower predictive value (r = 0.67, P
A Triaca - One of the best experts on this subject based on the ideXlab platform.
-
Gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Objectives The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Materials and methods Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. Results No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Conclusions Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. Clinical relevance During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
gingival recessions of lower incisors after proclination by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis
Clinical Oral Investigations, 2017Co-Authors: Gregory S. Antonarakis, A Triaca, Christof Urs Joss, Anne Marie Kuijpersjagtman, Stavros KiliaridisAbstract:The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular Alveolar Process distraction osteogenesis (DO). Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4.5 years (T2) after treatment. No differences in labial recessions on lower incisors were present between the patient groups despite greater lower incisor proclination in the Nonex and DO groups. The Ex group showed no new development of lingual recessions in contrast to the Nonex (eight sites; two subjects) and DO groups (seven sites; three subjects). Severe lingual recessions (increased ≥1 mm) were more present in the Nonex group (five sites; two subjects) compared to the Ex group (no sites). Proclination of lower incisors of 10° or more either by orthodontic tooth movement or displacement of the whole Alveolar Process increased the risk of lingual gingival recessions 17 times. This was not the case with labial gingival recessions. Orthodontic or surgical proclination of lower incisors beyond a 10° limit increases the risk of inducing lingual gingival recessions. During orthodontic treatment, with or without DO, one should avoid proclining lower incisors more than 10° to decrease the risk of gingival recessions.
-
Neurosensory and functional evaluation in distraction osteogenesis of the anterior mandibular Alveolar Process
International journal of oral and maxillofacial surgery, 2012Co-Authors: Christof Urs Joss, A Triaca, M Antonini, Anne Marie Kuijpers-jagtman, Stavros KiliaridisAbstract:Neurosensory status and craniomandibular function of 19 patients (mean age 35.2 years, range 17.8-58.8 years) treated by combined surgical orthodontic treatment with distraction osteogenesis of the mandibular anterior Alveolar Process (DO group) was compared with that in 41 orthodontically treated patients (mean age 22.9 years, range 15.1-49.0 years; control group). Clinical examination took place on average 5.9 years (DO group) and 5.4 years (control group) after treatment ended. Neurosensory status was determined by two-point discrimination (2-pd) and the pointed and blunt test. Lateral cephalograms evaluated advancement of the mandibular Alveolar Process and possible relapse. There was no significant difference in craniomandibular function and neurosensory status between the groups. Age was significantly correlated with 2-pd at the lips (DO: p=0.01, R=0.575; control group: p=0.039, R=0.324) and chin (DO: p=0.029, R=0.501; control group: p=0.008, R=0.410). Younger patients had smaller 2-pd values. Gender, age, the amount of advancement, and relapse at point B or incision inferior show no correlation with craniomandibular function and neurosensory impairment. DO of the mandibular anterior Alveolar Process is a valuable and safe method with minor side effects regarding neurosensory impairment.
-
segmental distraction osteogenesis of the anterior Alveolar Process
Journal of Oral and Maxillofacial Surgery, 2001Co-Authors: A Triaca, M Antonini, Roger Minoretti, Beat MerzAbstract:Purpose: This article describes a nonextraction therapy for patients with anterior tooth crowding in the mandible or with an unfavorable relation between the anterior dentoAlveolar area and the skeletal base. The method involves the gradual repositioning of the dentate segment by use of distraction osteogenesis. Patients and Methods: The method was applied in 25 patients. Indications comprised skeletal Class II patients with crowding, Class I patients with crowding, and Class III patients requiring decompensation before orthognathic surgery. A special hinge-joint bone plate was developed to allow the rotation of the anterior bone segment into the desired position. The gradual repositioning was achieved with orthodontic appliances. Results: The procedure was successful in all patients. The typical advancement at the incisal edge was 2 to 5 mm. Conclusion: This method represents a new approach for nonextraction therapy in the mandible. It requires no soft or hard tissue grafting and results in favorable tissue conditions at the distraction site. © 2001 American Association of Oral and Maxillofacial Surgeons
Daniele Botticelli - One of the best experts on this subject based on the ideXlab platform.
-
Alveolar Process preservation at implants installed immediately into extraction sockets using deproteinized bovine bone mineral an experimental study in dogs
Clinical Oral Implants Research, 2012Co-Authors: Marco Caneva, Daniele Botticelli, Fabrizio Morelli, Gianfranco Cesaretti, Marco Beolchini, Niklaus P LangAbstract:Aim To evaluate the soft tissue and the dimensional changes of the Alveolar bony crest at sites where deproteinized bovine bone mineral (DBBM) particles, concomitantly with the placement of a collagen membrane, were used at implants installed into sockets immediately after tooth extraction. Material and methods The pulp tissue of the mesial roots of (3) P(3) was removed in six Labrador dogs, and the root canals were filled. Flaps were elevated bilaterally, the premolars hemi-sectioned, and the distal roots removed. Recipient sites were prepared in the distal alveolus, and implants were placed. At the test sites, DBBM particles were placed in the residual marginal defects concomitantly with the placement of a collagen membrane. No treatment augmentation was performed at the control sites. A non-submerged healing was allowed. Impressions were obtained at baseline and at the time of sacrifice performed 4 months after surgery. The cast models obtained were analyzed using an optical system to evaluate dimensional variations. Block sections of the implant sites were obtained for histological Processing and soft tissue assessments. Results After 4 months of healing, no differences in soft tissue dimensions were found between the test and control sites based on the histological assessments. The location of the soft tissue at the buccal aspect was, however, more coronal at the test compared with the control sites (1.8 ± 0.8 and 0.9 ± 0.8 mm, respectively). At the three-dimensional evaluation, the margin of the soft tissues at the buccal aspect appeared to be located more apically and lingually. The vertical dislocation was 1 ± 0.6 and 2.7 ± 0.5 mm at the test and control sites, respectively. The area of the buccal shrinkage of the Alveolar crest was significantly smaller at the test sites (5.9 ± 2.4 mm(2) ) compared with the control sites (11.5 ± 1.7 mm(2) ). Conclusion The use of DBBM particles concomitantly with the application of a collagen membrane used at implants placed into sockets immediately after tooth extraction contributed to the preservation of the Alveolar Process.