The timing of extraction of non-restorable first permanent molars: a
... Statistical analysis was carried out for the maxilla and the mandible and for each age group. The percentage and exact binomial 95% confidence interval (95% CI) of good or perfect result was calculated. The stratum specific precision (standard error) of the estimate was derived from the lower and up ...
... Statistical analysis was carried out for the maxilla and the mandible and for each age group. The percentage and exact binomial 95% confidence interval (95% CI) of good or perfect result was calculated. The stratum specific precision (standard error) of the estimate was derived from the lower and up ...
Cortical bone thickness in the maxilla and mandible for mini
... There are many other factors that play a role in exact direction of forces including the length of the facebow and the amount of forces applied. Cervical and high-pull headgear are made up of two extra-oral components and one intraoral component. The intraoral component consists of a metallic tube a ...
... There are many other factors that play a role in exact direction of forces including the length of the facebow and the amount of forces applied. Cervical and high-pull headgear are made up of two extra-oral components and one intraoral component. The intraoral component consists of a metallic tube a ...
Miniscrew Northstar - Kalamazoo Orthodontics
... screws,” especially when discussing their use with prospective patients (Figure 3). There are also more than 30 manufacturers of miniscrew systems (Figure 4, page 40), with the number of different screws offered per system ranging from two to 154. It can be an overwhelming and perplexing process to ...
... screws,” especially when discussing their use with prospective patients (Figure 3). There are also more than 30 manufacturers of miniscrew systems (Figure 4, page 40), with the number of different screws offered per system ranging from two to 154. It can be an overwhelming and perplexing process to ...
frequency of dentofacial asymmetries: a cross
... Saudi adolescents in Jeddah city; they found that non coincident dental midlines were seen in 24% of their sample. Borzabadi and Eslamipour25 conducted a study to determine the prevalence of malocclusions and occlusal traits, in an Urban Iranian population; they found non coincident dental midlines ...
... Saudi adolescents in Jeddah city; they found that non coincident dental midlines were seen in 24% of their sample. Borzabadi and Eslamipour25 conducted a study to determine the prevalence of malocclusions and occlusal traits, in an Urban Iranian population; they found non coincident dental midlines ...
Review - Journal of Clinical Medicine Research
... direction of growth into consideration. While this is not really a problem in the maxilla as it tends to grow downward and forward from the cranial base, mandibular growth can have one of two growth rotations: clockwise or anti-clockwise. The clockwise rotation brings the mandible downward and backw ...
... direction of growth into consideration. While this is not really a problem in the maxilla as it tends to grow downward and forward from the cranial base, mandibular growth can have one of two growth rotations: clockwise or anti-clockwise. The clockwise rotation brings the mandible downward and backw ...
Pre-Orthodontic Uncovering of Palatal Impacted Canines
... about the phenomenon of autonomous eruption. I believe that when the canine crown becomes displaced ectopically lingual to the lateral incisor root the expanding follicle simply does not have the ability to penetrate the somewhat thicker palatal cortical bone and the much thicker palatal gingival ti ...
... about the phenomenon of autonomous eruption. I believe that when the canine crown becomes displaced ectopically lingual to the lateral incisor root the expanding follicle simply does not have the ability to penetrate the somewhat thicker palatal cortical bone and the much thicker palatal gingival ti ...
Seminars in Orthodontics
... synostosis.1 We also studied the growth of the midface in the unoperated patient with syndromic craniosynostosis.2 It was the latter project that introduced me to the important role of cephalometrics in craniofacial surgery. I quickly recognized that it was an invaluable tool in diagnosis, treatment ...
... synostosis.1 We also studied the growth of the midface in the unoperated patient with syndromic craniosynostosis.2 It was the latter project that introduced me to the important role of cephalometrics in craniofacial surgery. I quickly recognized that it was an invaluable tool in diagnosis, treatment ...
Long Term Effectiveness of Various Orthodontic
... canines was used. Along with the degree of wear of the upper and lower incisors/canines, the upper and lower intercanine width and the lower anterior alignment (Irregularity Index) were measured. It was found that the Irregularity Index decreased significantly from before treatment to the end of tre ...
... canines was used. Along with the degree of wear of the upper and lower incisors/canines, the upper and lower intercanine width and the lower anterior alignment (Irregularity Index) were measured. It was found that the Irregularity Index decreased significantly from before treatment to the end of tre ...
Bolton Ratios on a Sample of South African Blacks
... inherited variation in tooth size and occlusion. These studies have found that there is greater variability in the size of the maxillary incisors when compared to the canines. When taking into consideration the mesio-distal tooth dimensions of anterior teeth, the incisors and canines should be consi ...
... inherited variation in tooth size and occlusion. These studies have found that there is greater variability in the size of the maxillary incisors when compared to the canines. When taking into consideration the mesio-distal tooth dimensions of anterior teeth, the incisors and canines should be consi ...
Dental Press Journal of Orthodontics
... Certain ideas concerning the use of mini-implants for skeletal anchorage in orthodontic practice seem to have achieved widespread consensus1-43, such as: 1. Mini-implants represent a major breakthrough in the clinical orthodontic practice of the last 10 years, arguably the most relevant for contempo ...
... Certain ideas concerning the use of mini-implants for skeletal anchorage in orthodontic practice seem to have achieved widespread consensus1-43, such as: 1. Mini-implants represent a major breakthrough in the clinical orthodontic practice of the last 10 years, arguably the most relevant for contempo ...
FREE PDF - Med Oral Patol Oral Cir Bucal
... Ceyhan (14) did not find any dens invaginatus in the mandibular anterior teeth. Oehlers’ system is based on a two dimensional radiographic image and as such may underestimate the true extent and complexity of the invagination. However, despite its limitations it makes a distinction between complete ...
... Ceyhan (14) did not find any dens invaginatus in the mandibular anterior teeth. Oehlers’ system is based on a two dimensional radiographic image and as such may underestimate the true extent and complexity of the invagination. However, despite its limitations it makes a distinction between complete ...
Proximal Stripping and the Apprehension to Implement
... stripped enamel surfaces. Zachrisson developed a technique for proximal stripping using a perforated diamond-coated disk (<30 µ grain size) with adequate air and water cooling followed by polishing with fine and ultrafine Sof-lex (3M ESPE) disks.34 Scanning electron microscope studies by Zhong et al ...
... stripped enamel surfaces. Zachrisson developed a technique for proximal stripping using a perforated diamond-coated disk (<30 µ grain size) with adequate air and water cooling followed by polishing with fine and ultrafine Sof-lex (3M ESPE) disks.34 Scanning electron microscope studies by Zhong et al ...
Posttreatment status of Palatally Impacted Maxillary Canines treated
... canines were examined at a mean follow-up of 4.19 months (SD, 1.44; range, 3–6) after a fixed appliance had been removed. The patients were distributed into 2 groups: the open technique with free eruption (group 1, n=22) and the closed technique (group 2, n=21). The posttreatment examination consist ...
... canines were examined at a mean follow-up of 4.19 months (SD, 1.44; range, 3–6) after a fixed appliance had been removed. The patients were distributed into 2 groups: the open technique with free eruption (group 1, n=22) and the closed technique (group 2, n=21). The posttreatment examination consist ...
The Hyoid Triangle: Importance and Evaluation of normalcy in
... measurements of H-C3 and C3-RGn showed statistically significant differences in Class I, Class II, and Class III (pvaule=0.07 and 0.011 respectively). The angular measurements of Angle H was also statistically significant (pvalue=0.002) indicating the differences in respective class malocclusions. H ...
... measurements of H-C3 and C3-RGn showed statistically significant differences in Class I, Class II, and Class III (pvaule=0.07 and 0.011 respectively). The angular measurements of Angle H was also statistically significant (pvalue=0.002) indicating the differences in respective class malocclusions. H ...
BOLTON ANALYSIS COMPARISON AMONG DIFFERENT OCCLUSIONS IN A BLACK POPULATION
... 3.6 – Mean anterior ratio as a function of Angle classification, ±1 SD..............................45 3.7 – Mean total ratio as a function of Angle classification, ±1 SD..............................46 3.8 – Mean anterior ratio of anterior ratios ±2 SD from Bolton’s published mean as a function of ...
... 3.6 – Mean anterior ratio as a function of Angle classification, ±1 SD..............................45 3.7 – Mean total ratio as a function of Angle classification, ±1 SD..............................46 3.8 – Mean anterior ratio of anterior ratios ±2 SD from Bolton’s published mean as a function of ...
A post-treatment evaluation of multibonded ceramic brackets in
... Enamel cracks The number of new teeth with the presence of pronounced cracks of any type from before to after treatment was 112 among the 544 teeth treated with brackets with chemical retention (20.6 per cent, Figures 2 and 3) as opposed to 36 among the 344 teeth treated with brackets with mechanica ...
... Enamel cracks The number of new teeth with the presence of pronounced cracks of any type from before to after treatment was 112 among the 544 teeth treated with brackets with chemical retention (20.6 per cent, Figures 2 and 3) as opposed to 36 among the 344 teeth treated with brackets with mechanica ...
On tooth movements and associated tissue alterations
... in the mesio-distal direction. However, in the clinical situation where bodily movement frequently is the aim, small elements of tipping, rotation, torque, intrusion and extrusion can also be found. The same surface of a root may not only be a pressure or tension side but rather has different zones ...
... in the mesio-distal direction. However, in the clinical situation where bodily movement frequently is the aim, small elements of tipping, rotation, torque, intrusion and extrusion can also be found. The same surface of a root may not only be a pressure or tension side but rather has different zones ...
A brief history of orthodontics
... Indeed, experience has proved that the degree of our success in the treatment of cases of malocclusion depends largely on the degree to which nature can be induced to complete the development of the underdeveloped bone, and the measure of this bone development depends greatly upon the age and vigor ...
... Indeed, experience has proved that the degree of our success in the treatment of cases of malocclusion depends largely on the degree to which nature can be induced to complete the development of the underdeveloped bone, and the measure of this bone development depends greatly upon the age and vigor ...
REVISED5588 Hartmann - American Academy of Pediatric Dentistry
... present study was undertaken to determine whether slipped contact arrangement (distal-lingual surface of mandibular permanent lateral incisors overlapping the facial surface of the primary canines at the end of incisor transition) merits intervention. Methods: Seventeen children who presented with s ...
... present study was undertaken to determine whether slipped contact arrangement (distal-lingual surface of mandibular permanent lateral incisors overlapping the facial surface of the primary canines at the end of incisor transition) merits intervention. Methods: Seventeen children who presented with s ...
Cervical column morphology related to head posture, cranial base
... mesoderm, the neural tube, and the neural crest, as described above, are believed to be important for the connection between malformation of the craniofacial structures and the cervical vertebrae. It was also found in the present study that the pattern of morphological deviations was significantly m ...
... mesoderm, the neural tube, and the neural crest, as described above, are believed to be important for the connection between malformation of the craniofacial structures and the cervical vertebrae. It was also found in the present study that the pattern of morphological deviations was significantly m ...
Intrusion of Overerupted Upper First Molar Using Two Orthodontic
... Loss of the mandibular first molar often leads to the overeruption of the opposing maxillary first molar, resulting in occlusal interference, loss of periodontal bony support, and inadequate room to restore the mandibular edentulous space. Without orthodontic molar intrusion or segmental surgical im ...
... Loss of the mandibular first molar often leads to the overeruption of the opposing maxillary first molar, resulting in occlusal interference, loss of periodontal bony support, and inadequate room to restore the mandibular edentulous space. Without orthodontic molar intrusion or segmental surgical im ...
A survey of occlusal traits in an adolescent population in Uganda
... concept that suggests that all variants from a specified normal are abnormal (Smith and Bailit, 1977). The major flaw in this concept is that it is not easy to define normality, due to the fact that there always exists degrees of natural variation among individuals of a population (Baume, 1970). In ...
... concept that suggests that all variants from a specified normal are abnormal (Smith and Bailit, 1977). The major flaw in this concept is that it is not easy to define normality, due to the fact that there always exists degrees of natural variation among individuals of a population (Baume, 1970). In ...
Lactate dehydrogenase activity in gingival crevicular
... used as the control tooth. From 2 to 12 weeks after orthodontic appliance placement, GCF was harvested from both experimental teeth at the mesiobuccal angle, for GCF volume and LDH activity determinations. Clinical monitoring consisted of recording supragingival plaque presence, bleeding on probing, ...
... used as the control tooth. From 2 to 12 weeks after orthodontic appliance placement, GCF was harvested from both experimental teeth at the mesiobuccal angle, for GCF volume and LDH activity determinations. Clinical monitoring consisted of recording supragingival plaque presence, bleeding on probing, ...
17 DEBONDING IN ORTHODONTICS.cdr
... Several different procedures for debracketing with pliers are available. An original method was to place the tips of a twinbeaked pliers against the mesial and distal edges of the bonding base and cut the brackets off between the tooth and the base. Several pliers are available for this purpose. A g ...
... Several different procedures for debracketing with pliers are available. An original method was to place the tips of a twinbeaked pliers against the mesial and distal edges of the bonding base and cut the brackets off between the tooth and the base. Several pliers are available for this purpose. A g ...
Relationship between dental arch width and vertical facial
... (MP) to the anterior cranial base (SN) was measured on cephalograms of each patient. Dental casts were used to obtain comprehensive dental measurements including maxillary and mandibular intercanine, interpremolar, and intermolar widths, as well as the amount of crowding or spacing. The arch widths ...
... (MP) to the anterior cranial base (SN) was measured on cephalograms of each patient. Dental casts were used to obtain comprehensive dental measurements including maxillary and mandibular intercanine, interpremolar, and intermolar widths, as well as the amount of crowding or spacing. The arch widths ...
Mandibular fracture
Mandibular fracture, also known as fractures of the jaw, are breaks through the mandibular bone. They usually occur due to trauma and are often associated with other facial trauma.The types of mandibular fractures include fractures at the symphyseal area, horizontal ramus, mandibular angle and condylar neck.