The document discusses common errors that can occur in radiographs, including:
1) Dark or high density radiographs caused by errors in machine operation or processing such as excessive exposure time or developer concentration being too high.
2) Light or low contrast radiographs caused by insufficient exposure or processing errors like underdevelopment or depleted developer solution.
3) Other errors like double images from double exposure, blurred images from patient or tube movement, partial images from misalignment, and film fog from deteriorated film or contaminated solutions.
The document provides definitions and examples of different types of errors that can occur and their potential causes.
Radicular cysts originate from epithelial cell rests of Malassez and form through three phases: initiation, cyst formation, and growth/enlargement. They are usually painless unless infected and associated with nonvital teeth. Calcifying odontogenic cysts contain ghost cells, which represent abnormal keratinization and have an affinity for calcification. They may also induce dental tissue formation. Keratocystic odontogenic tumors initiate from dental lamina proliferation and enlarge through factors like osmolality, inflammatory exudate, glycosaminoglycans, and collagenolytic/bone resorbing molecules. Their thin fragile linings and intrinsic growth potential contribute to high recurrence rates.
Laporan ini membahas tentang penyakit infeksi jaringan periodontal seperti periodontitis kronis, periodontitis agresif, dan necrotizing ulcerative periodontitis. Periodontitis kronis adalah bentuk periodontitis paling umum yang ditandai dengan inflamasi gusi, poket periodontal, dan kehilangan tulang. Periodontitis agresif menyerang individu muda dan berkembang lebih cepat. Necrotizing ulcerative periodontitis ditandai dengan nekrosis dan ulkusasi gusi yang dap
Panoramic radiography provides a wide view of the dental arches and associated structures using a rotating x-ray beam. It was developed starting in the 1920s to image the entire jaw at once. Modern panoramic machines use tomography to produce a single focused plane, known as the focal trough. This allows for detailed imaging of teeth and jaw structures while minimizing radiation exposure compared to full mouth x-rays. Panoramic images can reveal both normal anatomy as well as abnormalities, though some structures may appear as doubled "ghost images" due to the scanning technique.
Mauricio canals enfermedades transmitidas por vectores como respuesta a c...Soledad Burgos
Este documento discute cómo el cambio climático está afectando la distribución y transmisión de enfermedades transmitidas por vectores. Explica que las temperaturas y precipitaciones cambiantes están alterando las zonas geográficas favorables para los vectores y patógenos, lo que a su vez está cambiando la incidencia de enfermedades como la malaria, la filariasis, la enfermedad de Chagas y el dengue. También analiza cómo los factores climáticos como El Niño afectan la transmisión de estas enfermedades.
El documento describe las funciones de los padres como pareja y como padres, y cómo estas funciones se ven afectadas durante un divorcio o separación. Señala que durante el divorcio los padres a menudo se enfocan sólo en su relación de pareja y se olvidan de sus responsabilidades hacia los hijos. También explica cómo el divorcio puede afectar emocionalmente a los hijos y generar sentimientos de abandono o culpa. Resalta la importancia de que los padres continúen cumpliendo con sus funciones de afecto, cuidado y guía de los
brief description about CONTENTS Introduction Principles of panoramic imaging Image layer Panoramic machines Panoramic film Patient positioning Interpreting the panoramic imaging INDICATION Advantages Disadvantages Conclusion References
3. INTRODUCTION • Panoramic imaging also called pantomography is a technique for producing a single tomographic image of facial structures that includes both the maxillary and mandibular dental arches and their supporting structures . • This is a curvilinear variant of conventional tomography.
4. PRINCIPLES OF PANORAMIC IMAGE FORMATION • Patero and Numata - describe the principles of panoramic radiography • based on the principle of reciprocal movement of x-ray source and an image receptor around a central point or plane called the image layer, in which the OBJECT of image is located. • OBJECT in front or behind this image are not clearly captured because of their movement relative to the centre of rotation of the receptor and the x-ray source.
5. The film and x-ray tubehead move around the patient in opposite directions in panoramic radiography
6. ROTATION CENTER The pivotal point or axis around which the cassette carrier and tube head rotate is termed rotation center Three basic rotation center used in panoramic radiography Double centre rotation Triple centre rotation moving centre rotation The location and number of rotational centers INFLUENCE size and shape of focal trough
7. IMAGE LAYER • Also known as focal trough • It is a three dimensional curved zone where the structures lying within this layer are reasonably well defined on final panoramic image. • The structures seen on a panoramic image are primarily those located within image layer. • OBJECTSoutside the image layer are blurred magnified are reduced in size. Even distorted to the extent of not being recognizable. • This shape of image layer varies with the brand of equipment used.
8. FOCAL TROUGH
9. FACTORS AFFECTING SIZE OF IMAGE LAYER: Arc path Velocity of receptor and X-ray tube head Alignment of x-ray beam Collimator width The location of image layer change with extensive machine used so recalibration may be necessary if consistently suboptimal images are produced. As a position of object is moved within the image layer size and shape of image layer change.
10. PANORAMIC UNIT
11. A, Orthophos XG Plus extraoral x-ray machine. B, Orthoralix 8500 extraoral x-ray machine. C, Example of a digital panoramic system
12. PARTS OF PANORAMIC UNITS a. x-ray tube head b. head positioner: chin rest notched bite block forehead rest lateral head support c. exposure controls
13. X-RAY TUBE HEAD: • Similar to intraoral x-ray tube head • Each has a filament to produce electrons and a target to produce x-rays • Collimator is a lead plate with narrow vertical slit • Narrow x-ray beam emerges from collimator minimize patient exposure to radiation
1
Panoramic radiography, also called a panoramic x-ray, captures a single image of the entire mouth, including teeth, jaws, and surrounding structures. It is commonly used by dentists and oral surgeons to evaluate bones, teeth, and check for issues like tumors, cysts, or impacted teeth. The procedure involves a rotating x-ray tube that projects a beam through the patient's head and onto a rotating film or detector. It is painless, fast, and provides a wider view than intraoral x-rays. While it does not show the same detail as other imaging tests, panoramic x-rays are useful for initial evaluation of dental problems.
The document discusses common errors that can occur in radiographs, including:
1) Dark or high density radiographs caused by errors in machine operation or processing such as excessive exposure time or developer concentration being too high.
2) Light or low contrast radiographs caused by insufficient exposure or processing errors like underdevelopment or depleted developer solution.
3) Other errors like double images from double exposure, blurred images from patient or tube movement, partial images from misalignment, and film fog from deteriorated film or contaminated solutions.
The document provides definitions and examples of different types of errors that can occur and their potential causes.
Radicular cysts originate from epithelial cell rests of Malassez and form through three phases: initiation, cyst formation, and growth/enlargement. They are usually painless unless infected and associated with nonvital teeth. Calcifying odontogenic cysts contain ghost cells, which represent abnormal keratinization and have an affinity for calcification. They may also induce dental tissue formation. Keratocystic odontogenic tumors initiate from dental lamina proliferation and enlarge through factors like osmolality, inflammatory exudate, glycosaminoglycans, and collagenolytic/bone resorbing molecules. Their thin fragile linings and intrinsic growth potential contribute to high recurrence rates.
Laporan ini membahas tentang penyakit infeksi jaringan periodontal seperti periodontitis kronis, periodontitis agresif, dan necrotizing ulcerative periodontitis. Periodontitis kronis adalah bentuk periodontitis paling umum yang ditandai dengan inflamasi gusi, poket periodontal, dan kehilangan tulang. Periodontitis agresif menyerang individu muda dan berkembang lebih cepat. Necrotizing ulcerative periodontitis ditandai dengan nekrosis dan ulkusasi gusi yang dap
Panoramic radiography provides a wide view of the dental arches and associated structures using a rotating x-ray beam. It was developed starting in the 1920s to image the entire jaw at once. Modern panoramic machines use tomography to produce a single focused plane, known as the focal trough. This allows for detailed imaging of teeth and jaw structures while minimizing radiation exposure compared to full mouth x-rays. Panoramic images can reveal both normal anatomy as well as abnormalities, though some structures may appear as doubled "ghost images" due to the scanning technique.
Mauricio canals enfermedades transmitidas por vectores como respuesta a c...Soledad Burgos
Este documento discute cómo el cambio climático está afectando la distribución y transmisión de enfermedades transmitidas por vectores. Explica que las temperaturas y precipitaciones cambiantes están alterando las zonas geográficas favorables para los vectores y patógenos, lo que a su vez está cambiando la incidencia de enfermedades como la malaria, la filariasis, la enfermedad de Chagas y el dengue. También analiza cómo los factores climáticos como El Niño afectan la transmisión de estas enfermedades.
El documento describe las funciones de los padres como pareja y como padres, y cómo estas funciones se ven afectadas durante un divorcio o separación. Señala que durante el divorcio los padres a menudo se enfocan sólo en su relación de pareja y se olvidan de sus responsabilidades hacia los hijos. También explica cómo el divorcio puede afectar emocionalmente a los hijos y generar sentimientos de abandono o culpa. Resalta la importancia de que los padres continúen cumpliendo con sus funciones de afecto, cuidado y guía de los
brief description about CONTENTS Introduction Principles of panoramic imaging Image layer Panoramic machines Panoramic film Patient positioning Interpreting the panoramic imaging INDICATION Advantages Disadvantages Conclusion References
3. INTRODUCTION • Panoramic imaging also called pantomography is a technique for producing a single tomographic image of facial structures that includes both the maxillary and mandibular dental arches and their supporting structures . • This is a curvilinear variant of conventional tomography.
4. PRINCIPLES OF PANORAMIC IMAGE FORMATION • Patero and Numata - describe the principles of panoramic radiography • based on the principle of reciprocal movement of x-ray source and an image receptor around a central point or plane called the image layer, in which the OBJECT of image is located. • OBJECT in front or behind this image are not clearly captured because of their movement relative to the centre of rotation of the receptor and the x-ray source.
5. The film and x-ray tubehead move around the patient in opposite directions in panoramic radiography
6. ROTATION CENTER The pivotal point or axis around which the cassette carrier and tube head rotate is termed rotation center Three basic rotation center used in panoramic radiography Double centre rotation Triple centre rotation moving centre rotation The location and number of rotational centers INFLUENCE size and shape of focal trough
7. IMAGE LAYER • Also known as focal trough • It is a three dimensional curved zone where the structures lying within this layer are reasonably well defined on final panoramic image. • The structures seen on a panoramic image are primarily those located within image layer. • OBJECTSoutside the image layer are blurred magnified are reduced in size. Even distorted to the extent of not being recognizable. • This shape of image layer varies with the brand of equipment used.
8. FOCAL TROUGH
9. FACTORS AFFECTING SIZE OF IMAGE LAYER: Arc path Velocity of receptor and X-ray tube head Alignment of x-ray beam Collimator width The location of image layer change with extensive machine used so recalibration may be necessary if consistently suboptimal images are produced. As a position of object is moved within the image layer size and shape of image layer change.
10. PANORAMIC UNIT
11. A, Orthophos XG Plus extraoral x-ray machine. B, Orthoralix 8500 extraoral x-ray machine. C, Example of a digital panoramic system
12. PARTS OF PANORAMIC UNITS a. x-ray tube head b. head positioner: chin rest notched bite block forehead rest lateral head support c. exposure controls
13. X-RAY TUBE HEAD: • Similar to intraoral x-ray tube head • Each has a filament to produce electrons and a target to produce x-rays • Collimator is a lead plate with narrow vertical slit • Narrow x-ray beam emerges from collimator minimize patient exposure to radiation
1
Panoramic radiography, also called a panoramic x-ray, captures a single image of the entire mouth, including teeth, jaws, and surrounding structures. It is commonly used by dentists and oral surgeons to evaluate bones, teeth, and check for issues like tumors, cysts, or impacted teeth. The procedure involves a rotating x-ray tube that projects a beam through the patient's head and onto a rotating film or detector. It is painless, fast, and provides a wider view than intraoral x-rays. While it does not show the same detail as other imaging tests, panoramic x-rays are useful for initial evaluation of dental problems.
This document discusses panoramic x-rays and their use in dental practice. It describes how panoramic x-rays provide a wider view than traditional dental x-rays and allow visualization of gross anatomy and pathology. The document outlines advantages like field size and lower radiation dose compared to full mouth x-rays. Disadvantages discussed include potential image quality issues from distortion and superimposition. Proper patient positioning within the focal trough is emphasized as important for diagnostic image quality.
The document describes a panoramic anatomy presentation that identifies anatomical structures on panoramic radiographs. It includes slides labeling structures, describing different types of images (single real, double real, ghost), and providing an anatomical key. The slides provide examples of panoramic images labeling different structures and examples of positioning errors.
Panoramic radiography produces a single tomographic image of the facial structures including the maxillary and mandibular arches. It uses the principle of reciprocal movement of an X-ray source and image receptor around a central point or plane called the image layer. Multiple centers of rotation are used to maintain the dental arches within the focal trough. Panoramic radiography provides a broad anatomical view with less radiation than full-mouth intraoral films but has less resolution and potential for superimposition artifacts. It is useful for trauma evaluation, orthodontic treatment planning, and detection of lesions or developmental anomalies too large for intraoral films.
La electrónica digital se encarga de sistemas electrónicos que codifican información en solo dos estados, verdadero/falso o 1 y 0, mientras que la electrónica analógica puede codificar una infinidad de estados de información según el voltaje.
Normal Radiographic Anatomical LandmarksDivya Rana
1. The document describes several normal radiographic anatomical landmarks seen on dental radiographs.
2. Key landmarks described include the nasal septum, anterior nasal spine, incisive foramen, lamina dura, alveolar crest, periodontal ligament space, and cancellous bone in the jaws.
3. Landmarks of the mandible discussed are the lingual foramen, genial tubercles, mental ridge, mental foramen, mylohyoid ridge, and mandibular canal.
Manual de Facebook 2018. Uso estratégico de Facebook. Unai Benito
Facebook estratégico. Algunas ideas para realizar una campaña de Social Media Marketing en Facebook.
ESTRATEGIA EN FACEBOOK
1. Atracción. ¿Cómo consigo Fans?, ¿Cómo me doy a conocer?
2. Retención. ¿Qué valor aporto? ¿Qué es más interesante, lo que dice la marca o lo que dice un amigo? Si no intereso, me dejarán de seguir
3. Conversión. ¿Cómo consigo mi objetivo (compra, recomendación, datos…)
Thorough knowledge of the indications of various extra oral techniques allows accurate and timely diagnosis of various maxillofacial pathologies. Further, we can arrive at a diagnosis with minimum number of x-rays there by reducing patient exposure to radiation.
This document discusses common radiographic errors and artifacts that can occur during dental x-ray procedures. It identifies three main categories of errors: technique and projection errors, exposure errors, and processing errors. Technique errors include issues with patient preparation, film placement, and projection angles. Exposure errors result in over or underexposed images. Processing errors stem from chemical or film handling issues during development and fixing of the x-ray film. The document provides examples and explanations of specific errors like double images, cut-off areas, density problems, and chemical or physical marks that can affect image quality and interpretation.
The document describes the paralleling technique for dental radiography. In the paralleling technique, the film, teeth, and aiming ring of the paralleling instrument are positioned parallel to each other. This allows the x-ray beam to be perpendicular to the film and teeth, reducing distortion. The paralleling technique provides better dimensional accuracy compared to the bisecting angle technique but is less comfortable for patients. Proper patient positioning, film selection and placement, use of paralleling instruments, and head position are described to successfully implement this technique.
The document identifies common errors that can occur when taking panoramic dental x-rays. These include the teeth being positioned too far anterior or posterior to the focal trough, the patient's head being turned or tipped in various directions, issues with the placement of the lead apron, and other errors like patient movement, double exposures, or using incorrect exposure settings. Proper patient positioning and technique are necessary to avoid these errors and ensure diagnostic quality panoramic dental x-rays.
Modul Ajar Matematika Kelas 11 Fase F Kurikulum MerdekaFathan Emran
Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka - abdiera.com. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka.
This document discusses panoramic x-rays and their use in dental practice. It describes how panoramic x-rays provide a wider view than traditional dental x-rays and allow visualization of gross anatomy and pathology. The document outlines advantages like field size and lower radiation dose compared to full mouth x-rays. Disadvantages discussed include potential image quality issues from distortion and superimposition. Proper patient positioning within the focal trough is emphasized as important for diagnostic image quality.
The document describes a panoramic anatomy presentation that identifies anatomical structures on panoramic radiographs. It includes slides labeling structures, describing different types of images (single real, double real, ghost), and providing an anatomical key. The slides provide examples of panoramic images labeling different structures and examples of positioning errors.
Panoramic radiography produces a single tomographic image of the facial structures including the maxillary and mandibular arches. It uses the principle of reciprocal movement of an X-ray source and image receptor around a central point or plane called the image layer. Multiple centers of rotation are used to maintain the dental arches within the focal trough. Panoramic radiography provides a broad anatomical view with less radiation than full-mouth intraoral films but has less resolution and potential for superimposition artifacts. It is useful for trauma evaluation, orthodontic treatment planning, and detection of lesions or developmental anomalies too large for intraoral films.
La electrónica digital se encarga de sistemas electrónicos que codifican información en solo dos estados, verdadero/falso o 1 y 0, mientras que la electrónica analógica puede codificar una infinidad de estados de información según el voltaje.
Normal Radiographic Anatomical LandmarksDivya Rana
1. The document describes several normal radiographic anatomical landmarks seen on dental radiographs.
2. Key landmarks described include the nasal septum, anterior nasal spine, incisive foramen, lamina dura, alveolar crest, periodontal ligament space, and cancellous bone in the jaws.
3. Landmarks of the mandible discussed are the lingual foramen, genial tubercles, mental ridge, mental foramen, mylohyoid ridge, and mandibular canal.
Manual de Facebook 2018. Uso estratégico de Facebook. Unai Benito
Facebook estratégico. Algunas ideas para realizar una campaña de Social Media Marketing en Facebook.
ESTRATEGIA EN FACEBOOK
1. Atracción. ¿Cómo consigo Fans?, ¿Cómo me doy a conocer?
2. Retención. ¿Qué valor aporto? ¿Qué es más interesante, lo que dice la marca o lo que dice un amigo? Si no intereso, me dejarán de seguir
3. Conversión. ¿Cómo consigo mi objetivo (compra, recomendación, datos…)
Thorough knowledge of the indications of various extra oral techniques allows accurate and timely diagnosis of various maxillofacial pathologies. Further, we can arrive at a diagnosis with minimum number of x-rays there by reducing patient exposure to radiation.
This document discusses common radiographic errors and artifacts that can occur during dental x-ray procedures. It identifies three main categories of errors: technique and projection errors, exposure errors, and processing errors. Technique errors include issues with patient preparation, film placement, and projection angles. Exposure errors result in over or underexposed images. Processing errors stem from chemical or film handling issues during development and fixing of the x-ray film. The document provides examples and explanations of specific errors like double images, cut-off areas, density problems, and chemical or physical marks that can affect image quality and interpretation.
The document describes the paralleling technique for dental radiography. In the paralleling technique, the film, teeth, and aiming ring of the paralleling instrument are positioned parallel to each other. This allows the x-ray beam to be perpendicular to the film and teeth, reducing distortion. The paralleling technique provides better dimensional accuracy compared to the bisecting angle technique but is less comfortable for patients. Proper patient positioning, film selection and placement, use of paralleling instruments, and head position are described to successfully implement this technique.
The document identifies common errors that can occur when taking panoramic dental x-rays. These include the teeth being positioned too far anterior or posterior to the focal trough, the patient's head being turned or tipped in various directions, issues with the placement of the lead apron, and other errors like patient movement, double exposures, or using incorrect exposure settings. Proper patient positioning and technique are necessary to avoid these errors and ensure diagnostic quality panoramic dental x-rays.
Modul Ajar Matematika Kelas 11 Fase F Kurikulum MerdekaFathan Emran
Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka - abdiera.com. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka. Modul Ajar Matematika Kelas 11 SMA/MA Fase F Kurikulum Merdeka.
Teori Fungsionalisme Kulturalisasi Talcott Parsons (Dosen Pengampu : Khoirin ...nasrudienaulia
Dalam teori fungsionalisme kulturalisasi Talcott Parsons, konsep struktur sosial sangat erat hubungannya dengan kulturalisasi. Struktur sosial merujuk pada pola-pola hubungan sosial yang terorganisir dalam masyarakat, termasuk hierarki, peran, dan institusi yang mengatur interaksi antara individu. Hubungan antara konsep struktur sosial dan kulturalisasi dapat dijelaskan sebagai berikut:
1. Pola Interaksi Sosial: Struktur sosial menentukan pola interaksi sosial antara individu dalam masyarakat. Pola-pola ini dipengaruhi oleh norma-norma budaya yang diinternalisasi oleh anggota masyarakat melalui proses sosialisasi. Dengan demikian, struktur sosial dan kulturalisasi saling memengaruhi dalam membentuk cara individu berinteraksi dan berperilaku.
2. Distribusi Kekuasaan dan Otoritas: Struktur sosial menentukan distribusi kekuasaan dan otoritas dalam masyarakat. Nilai-nilai budaya yang dianut oleh masyarakat juga memengaruhi bagaimana kekuasaan dan otoritas didistribusikan dalam struktur sosial. Kulturalisasi memainkan peran dalam melegitimasi sistem kekuasaan yang ada melalui nilai-nilai yang dianut oleh masyarakat.
3. Fungsi Sosial: Struktur sosial dan kulturalisasi saling terkait dalam menjalankan fungsi-fungsi sosial dalam masyarakat. Nilai-nilai budaya dan norma-norma yang terinternalisasi membentuk dasar bagi pelaksanaan fungsi-fungsi sosial yang diperlukan untuk menjaga keseimbangan dan stabilitas dalam masyarakat.
Dengan demikian, konsep struktur sosial dalam teori fungsionalisme kulturalisasi Parsons tidak dapat dipisahkan dari kulturalisasi karena keduanya saling berinteraksi dan saling memengaruhi dalam membentuk pola-pola hubungan sosial, distribusi kekuasaan, dan pelaksanaan fungsi-fungsi sosial dalam masyarakat.
Materi ini membahas tentang defenisi dan Usia Anak di Indonesia serta hubungannya dengan risiko terpapar kekerasan. Dalam modul ini, akan diuraikan berbagai bentuk kekerasan yang dapat dialami anak-anak, seperti kekerasan fisik, emosional, seksual, dan penelantaran.
2. SIDIK JARI TANGAN
• Bentuk kegagalan : terdapat sidik jari tangan pada
foto.
• Sidik jari tangan pada foto roentgen disebabkan pada
waktu processing tidak menggunakan film klip
sehingga permukaan film terpegang yang
kemungkinan tangan operator berminyak atau
terkontaminasi dengan larutan fixer.
3. Tabel kesalahan, penyebab, perbaikan sidik jari tangan
KESALAHAN PENYEBAB PERBAIKAN
Hitam Kontaminasi dengan
komponen stannous
floride
Cuci tangan sebelum
melakukan pemrosesan
Abu-abu Hitam Kontaminasi dengan
developer
Tempat yang bersih
untuk menghindari
kontaminasi tangan
Putih Kontaminasi dengan
larutan fiksasi
Pegang film pada
ujungnya
4. Gambar fluoride artifact. Operator’s fingertip, contamined by fluoride,
touched film during stripping and placing of film on hanger