This study compared the effects of an essential oil-based oral rinse, chlorhexidine, and water as adjuncts to scaling and root planing (SRP) in treating periodontal inflammation. 90 patients with chronic periodontitis were divided into 3 groups that received SRP with either the essential oil rinse, chlorhexidine, or water. Periodontal parameters including plaque index, bleeding on probing, and probing pocket depth ≥4mm were assessed at baseline and 7 and 30 days after treatment. Both the essential oil and chlorhexidine groups showed significant reductions in all periodontal parameters at 7 and 30 days compared to baseline. The water group only showed reductions in plaque index and bleeding on probing at 7 days, with no
This article reviews the clinical applications of cone beam computed tomography (CBCT) in dentistry as described in 129 peer-reviewed publications from 1998 to 2010. The literature review found that CBCT has been used for oral and maxillofacial surgery, endodontics, implant dentistry, orthodontics, temporomandibular joint disorders, periodontics, and forensic dentistry. Specifically, CBCT provides advantages over 2D imaging such as a lack of superimposition, accurate measurements, and 3D visualization which has made it useful for applications like dental trauma assessment, implant planning, endodontic diagnosis, and orthognathic surgery planning.
This document contains a presentation on short dental implants given by Dr. Mohammed Alshehri at the ITI Congress Middle East in Abu Dhabi, UAE in December 2012. The presentation defines short implants, reviews the available evidence on their success rates compared to longer implants or bone augmentation procedures, and identifies factors that can affect the success of short implants such as surgical protocol, implant design, surface characteristics, crown-to-implant ratio and occlusal forces. Studies show short implants have high success rates, especially when placed in the mandible, and may be preferable to more complex augmentation procedures.
This document discusses pulpal reactions to various dental procedures and materials. It covers:
1. Protective pulpal reactions to dental caries, including decreased dentin permeability, tertiary dentin formation, and inflammatory immune responses.
2. Pulpal reactions to local anesthetics, restorative procedures, and materials can range from reversible inflammation to irreversible pathology depending on factors like pretreatment pulp health, physical/chemical irritation level, and proximity to the pulp.
3. Direct effects of restorative materials include cytotoxic components, while indirect effects involve faulty bonds leading to hypersensitivity or recurrent decay. Conditioning dentin properly during restorations is important to minimize pulpal irritation.
Tooth development begins with the formation of the primary epithelial band in the embryo. This band gives rise to the dental lamina, from which tooth buds develop. The buds grow through the bud, cap, and bell stages as the enamel organ and dental papilla form and differentiate. Teeth then continue developing through the formation of dentin, enamel, and cementum to erupt in the mouth at the appropriate time.
1) Apical periodontitis is caused by microbial infection of the root canal system, usually after pulp necrosis. Bacteria are the primary cause, though fungi and archaea have also been implicated.
2) Bacteria enter the root canal system through caries, cracks, restorative procedures, or periodontal disease. They can also travel through dentinal tubules or directly expose the pulp.
3) Successful endodontic treatment aims to prevent or resolve apical periodontitis by thoroughly debriding and disinfecting the root canal system.
The document discusses diagnostic procedures used in dentistry. It outlines various tests like thermal tests, electric pulp tests, mobility tests, and radiographs that are used to diagnose dental issues like pulp vitality, periapical lesions, and periodontal disease. The goal of diagnosis is to accurately identify the disease through signs, symptoms, and test results to determine the appropriate treatment.
This study compared the effects of an essential oil-based oral rinse, chlorhexidine, and water as adjuncts to scaling and root planing (SRP) in treating periodontal inflammation. 90 patients with chronic periodontitis were divided into 3 groups that received SRP with either the essential oil rinse, chlorhexidine, or water. Periodontal parameters including plaque index, bleeding on probing, and probing pocket depth ≥4mm were assessed at baseline and 7 and 30 days after treatment. Both the essential oil and chlorhexidine groups showed significant reductions in all periodontal parameters at 7 and 30 days compared to baseline. The water group only showed reductions in plaque index and bleeding on probing at 7 days, with no
This article reviews the clinical applications of cone beam computed tomography (CBCT) in dentistry as described in 129 peer-reviewed publications from 1998 to 2010. The literature review found that CBCT has been used for oral and maxillofacial surgery, endodontics, implant dentistry, orthodontics, temporomandibular joint disorders, periodontics, and forensic dentistry. Specifically, CBCT provides advantages over 2D imaging such as a lack of superimposition, accurate measurements, and 3D visualization which has made it useful for applications like dental trauma assessment, implant planning, endodontic diagnosis, and orthognathic surgery planning.
This document contains a presentation on short dental implants given by Dr. Mohammed Alshehri at the ITI Congress Middle East in Abu Dhabi, UAE in December 2012. The presentation defines short implants, reviews the available evidence on their success rates compared to longer implants or bone augmentation procedures, and identifies factors that can affect the success of short implants such as surgical protocol, implant design, surface characteristics, crown-to-implant ratio and occlusal forces. Studies show short implants have high success rates, especially when placed in the mandible, and may be preferable to more complex augmentation procedures.
This document discusses pulpal reactions to various dental procedures and materials. It covers:
1. Protective pulpal reactions to dental caries, including decreased dentin permeability, tertiary dentin formation, and inflammatory immune responses.
2. Pulpal reactions to local anesthetics, restorative procedures, and materials can range from reversible inflammation to irreversible pathology depending on factors like pretreatment pulp health, physical/chemical irritation level, and proximity to the pulp.
3. Direct effects of restorative materials include cytotoxic components, while indirect effects involve faulty bonds leading to hypersensitivity or recurrent decay. Conditioning dentin properly during restorations is important to minimize pulpal irritation.
Tooth development begins with the formation of the primary epithelial band in the embryo. This band gives rise to the dental lamina, from which tooth buds develop. The buds grow through the bud, cap, and bell stages as the enamel organ and dental papilla form and differentiate. Teeth then continue developing through the formation of dentin, enamel, and cementum to erupt in the mouth at the appropriate time.
1) Apical periodontitis is caused by microbial infection of the root canal system, usually after pulp necrosis. Bacteria are the primary cause, though fungi and archaea have also been implicated.
2) Bacteria enter the root canal system through caries, cracks, restorative procedures, or periodontal disease. They can also travel through dentinal tubules or directly expose the pulp.
3) Successful endodontic treatment aims to prevent or resolve apical periodontitis by thoroughly debriding and disinfecting the root canal system.
The document discusses diagnostic procedures used in dentistry. It outlines various tests like thermal tests, electric pulp tests, mobility tests, and radiographs that are used to diagnose dental issues like pulp vitality, periapical lesions, and periodontal disease. The goal of diagnosis is to accurately identify the disease through signs, symptoms, and test results to determine the appropriate treatment.
The document discusses the history and evolution of mechanical endodontic instrumentation. Some of the key developments include the introduction of the first endodontic handpiece in 1889, Gates Glidden drills in 1885, and the use of nickel-titanium (NiTi) files starting in the 1950s. More recent innovations include thermally treated NiTi files like M-wire files and Twisted Files, as well as new reciprocating filing motions introduced with the WaveOne and Reciproc systems that use multiple counterclockwise and clockwise rotations. Overall the document outlines the progression from manual to rotary NiTi instrumentation and the integration of thermal treatment technologies and reciprocation motions.
1) Early crestal bone loss around dental implants is common, with an average of 0.9-1.6mm of bone loss in the first year after loading. Bone loss then slows significantly to around 0.05-0.13mm per year.
2) Factors that can contribute to early crestal bone loss include surgical trauma from heat generation during drilling, excessive pressure during implant placement, periosteal flap elevation, and occlusal overload especially in the first year as the bone adapts to loading.
3) Long-term maintenance of crestal bone is important for implant success and health of the surrounding soft tissues. Peri-implantitis can lead to bone loss but
- Immediate loading of dental implants began in the 1960s and involves placing a provisional or definitive restoration on implants on the same day as surgery or within 2 weeks.
- Studies have shown immediate loading can achieve high success rates in the anterior mandible with 4 or more implants supporting a fixed bridge or 2 or more implants supporting an overdenture.
- Immediate loading may stimulate bone formation and increase bone-implant contact compared to conventional loading after 3-6 months of healing. However, risks are higher with immediate loading and patient factors like bruxism or smoking can affect outcomes.
How to apply for post graduate studies in dentistryMohammed Alshehri
The document provides information on applying for post-graduate studies in dentistry, including prerequisites, definitions of various degrees like DDS, Masters, and PhD, recommended organizations, examinations, and application processes like PASS and MATCH. It also outlines accredited and non-accredited programs in areas like endodontics, orthodontics, and periodontics in North America, UK, Australia, and Germany.
Immediate implant placement following tooth extraction can help preserve alveolar bone and provide benefits like fewer treatment visits. However, it also carries risks like increased mucosal recession on the facial aspect due to normal bone resorption after extraction. For optimal esthetic outcomes with immediate implants, it is important to have adequate facial bone volume, perform bone grafting if needed, and consider the patient's gingival biotype and bone defect morphology. Careful case selection and experience with the technique are important to minimize esthetic complications.
The document provides information about the 5th Riyadh International Dental Meeting & Exhibition organized by Riyadh Colleges of Dentistry and Pharmacy. The theme of the conference is "New Era in Esthetic Dentistry". The conference aims to disseminate the latest advancements in dental education, care, research and showcase the latest dental instruments through presentations and an exhibition. It also highlights the role of Riyadh Colleges in advancing dentistry in Saudi Arabia.
Mohammed Alshehri's abstract titled "CBCT applications in dental practice: A literature review" has been accepted for a poster presentation at the IADR/AADR/CADR 89th General Session and Exhibition in San Diego, California from March 16-19, 2011. His poster will be presented during the Advanced Imaging session on Friday, March 18 at 2pm in Hall C of the San Diego Convention Center. He is required to pre-register and pay the applicable fee by January 12, 2011 in order to present.
The document describes an abstract book for a poster presentation at the Osteology Foundation on regenerative dentistry and dental tissue engineering. It provides details on the invited poster abstract committee members and categories. It announced that the best 5 abstracts in clinical and basic research categories will present to the committee. Prize awards for the best posters will be given. The accepted poster abstracts are numbered and organized by topic and presentation times are provided.
How to apply for post graduate studies in dentistryMohammed Alshehri
This document provides information about applying for post-graduate dentistry programs, including required application materials, exams, application services, accredited and non-accredited program options in North America, and programs in other countries. Applicants need transcripts, references, a CV, English proficiency exams, dental exams, and other application materials. They can apply through services like PASS and be matched to programs through MATCH. Accredited specialty programs include endodontics, orthodontics, periodontics and others.
How to apply for post graduate studies in dentistryMohammed Alshehri
This document provides information about applying for post-graduate dentistry programs, including required application materials, exams, application services, accredited and non-accredited program options in North America, and programs in other countries. Prerequisites for application include transcripts, references, CV, English proficiency exams, dental exams, and program-specific requirements. Application is facilitated through services like PASS and programs are matched through MATCH. Accredited specialty programs include endodontics, oral surgery, periodontics and offer clinical certificates, master's and PhD degrees.
This document provides a summary of an editorial and articles from the CAD/CAM international magazine of digital dentistry. The editorial discusses the benefits of integrating chairside CAD/CAM dentistry and cone-beam CT technology into a dental practice. It allows dentists to provide same-day restorations and surgical guidance without outsourcing work. Upcoming software may combine intraoral scans and CBCT data to enable restorative-driven implant planning. Articles discuss CAD/CAM techniques for complex cases, CBCT applications, and industry news on digital dentistry events and products.
The document summarizes the results of several randomized controlled trials that compared different dental implant systems. The trials evaluated outcomes such as implant failure rates, marginal bone loss, and peri-implant tissue health. The studies generally found no statistically significant differences between major implant systems from companies like Straumann, Nobel Biocare, 3i, and others for factors like failure rates or bone loss over periods of up to 5 years.
1. The document discusses the relationship between nutrition and oral/dental health, noting several conditions where compromised nutrition can negatively impact oral health or be a consequence of oral disease.
2. It provides an overview of the effects that deficiencies of various nutrients can have on the periodontium and oral tissues. Several groups at higher risk of certain nutritional deficiencies are identified.
3. The conclusion emphasizes the role of dental practitioners in comprehensive patient care and maintaining total health, including providing baseline nutrition screening and referral to a dietitian when needed.
Creation of human ( an ebm of what written 1431 year ago in quran )Mohammed Alshehri
The document summarizes the stages of human creation according to modern science and the Quran in 3 sentences or less per stage:
1) Dust and water are the origins of the human body, as both contain the same elements.
2) A single fertilized cell divides and differentiates into 100 trillion specialized cells through a precise, unknown program.
3) The Quran's description of stages from nutfah (mixed drops) to clot to lump of flesh matches the scientific understanding revealed through modern microscopy.
The single matched, taper-sized gutta-percha cone techniqueMohammed Alshehri
The document introduces a novel single-matched, taper-sized gutta-percha cone obturation technique. It describes the technique which uses a single gutta-percha cone that matches the taper and size of the final rotary instrument used to prepare the root canal. The cone is coated with sealer and vertically condensed into the canal. The summary discusses the advantages of this technique, including a uniform gutta-percha mass with less sealer, better sealer distribution, less implementation time, and elimination of lateral stresses compared to other methods. Preliminary in vitro studies comparing this technique to lateral condensation and Thermafil obturation show comparable results.
Occlusal Considerations For Implant Supported Prostheses Implant Protectes O...Mohammed Alshehri
Trauma from occlusion refers to pathological changes in the periodontium caused by excessive force from chewing muscles. While excessive force alone does not cause tissue breakdown, it may act as a co-factor in plaque-induced periodontal disease by enhancing the rate of progression. Proper treatment of plaque is important to arrest tissue destruction, even if occlusal trauma persists. Treating occlusal trauma alone through adjustment or splinting may reduce mobility but not stop further breakdown from untreated plaque.
Cement Retained Versus Screw Retained Implant Restorations Achieving OptimalMohammed Alshehri
This document discusses the differences between cement-retained and screw-retained dental implant restorations and their impact on occlusion and esthetics. Cement-retained restorations provide better esthetics and occlusion as they avoid screw holes in the biting surface, but are not retrievable. Screw-retained restorations are retrievable but compromise occlusion and esthetics due to screw holes. The document argues that with high implant survival rates today, retrievability is less important than occlusion and esthetics, making cement-retained restorations preferable in most cases.
Anterior Single Implant Supported Restoration In Esthetic ZoneMohammed Alshehri
1. The document discusses optimal positioning for a single implant replacing a maxillary anterior tooth.
2. The ideal implant position has the body oriented along a straight line connecting the incisal edge and midfacial crest, with the implant centered under the incisal edge.
3. Placement should have the body 1-4mm below the facial gingival margin but not exceeding 4mm depth to avoid poor sulcular health outcomes.
The document summarizes findings from 10 randomized controlled trials comparing different dental implant systems. The trials evaluated outcomes like failure rates, marginal bone loss, and peri-implant soft tissue health. Meta-analyses found no significant differences between systems in failures or bone loss over time, including between surface types. Subsequent follow-ups of initial trials continued finding no significant differences in long-term outcomes between major implant systems.
The document discusses the history and evolution of mechanical endodontic instrumentation. Some of the key developments include the introduction of the first endodontic handpiece in 1889, Gates Glidden drills in 1885, and the use of nickel-titanium (NiTi) files starting in the 1950s. More recent innovations include thermally treated NiTi files like M-wire files and Twisted Files, as well as new reciprocating filing motions introduced with the WaveOne and Reciproc systems that use multiple counterclockwise and clockwise rotations. Overall the document outlines the progression from manual to rotary NiTi instrumentation and the integration of thermal treatment technologies and reciprocation motions.
1) Early crestal bone loss around dental implants is common, with an average of 0.9-1.6mm of bone loss in the first year after loading. Bone loss then slows significantly to around 0.05-0.13mm per year.
2) Factors that can contribute to early crestal bone loss include surgical trauma from heat generation during drilling, excessive pressure during implant placement, periosteal flap elevation, and occlusal overload especially in the first year as the bone adapts to loading.
3) Long-term maintenance of crestal bone is important for implant success and health of the surrounding soft tissues. Peri-implantitis can lead to bone loss but
- Immediate loading of dental implants began in the 1960s and involves placing a provisional or definitive restoration on implants on the same day as surgery or within 2 weeks.
- Studies have shown immediate loading can achieve high success rates in the anterior mandible with 4 or more implants supporting a fixed bridge or 2 or more implants supporting an overdenture.
- Immediate loading may stimulate bone formation and increase bone-implant contact compared to conventional loading after 3-6 months of healing. However, risks are higher with immediate loading and patient factors like bruxism or smoking can affect outcomes.
How to apply for post graduate studies in dentistryMohammed Alshehri
The document provides information on applying for post-graduate studies in dentistry, including prerequisites, definitions of various degrees like DDS, Masters, and PhD, recommended organizations, examinations, and application processes like PASS and MATCH. It also outlines accredited and non-accredited programs in areas like endodontics, orthodontics, and periodontics in North America, UK, Australia, and Germany.
Immediate implant placement following tooth extraction can help preserve alveolar bone and provide benefits like fewer treatment visits. However, it also carries risks like increased mucosal recession on the facial aspect due to normal bone resorption after extraction. For optimal esthetic outcomes with immediate implants, it is important to have adequate facial bone volume, perform bone grafting if needed, and consider the patient's gingival biotype and bone defect morphology. Careful case selection and experience with the technique are important to minimize esthetic complications.
The document provides information about the 5th Riyadh International Dental Meeting & Exhibition organized by Riyadh Colleges of Dentistry and Pharmacy. The theme of the conference is "New Era in Esthetic Dentistry". The conference aims to disseminate the latest advancements in dental education, care, research and showcase the latest dental instruments through presentations and an exhibition. It also highlights the role of Riyadh Colleges in advancing dentistry in Saudi Arabia.
Mohammed Alshehri's abstract titled "CBCT applications in dental practice: A literature review" has been accepted for a poster presentation at the IADR/AADR/CADR 89th General Session and Exhibition in San Diego, California from March 16-19, 2011. His poster will be presented during the Advanced Imaging session on Friday, March 18 at 2pm in Hall C of the San Diego Convention Center. He is required to pre-register and pay the applicable fee by January 12, 2011 in order to present.
The document describes an abstract book for a poster presentation at the Osteology Foundation on regenerative dentistry and dental tissue engineering. It provides details on the invited poster abstract committee members and categories. It announced that the best 5 abstracts in clinical and basic research categories will present to the committee. Prize awards for the best posters will be given. The accepted poster abstracts are numbered and organized by topic and presentation times are provided.
How to apply for post graduate studies in dentistryMohammed Alshehri
This document provides information about applying for post-graduate dentistry programs, including required application materials, exams, application services, accredited and non-accredited program options in North America, and programs in other countries. Applicants need transcripts, references, a CV, English proficiency exams, dental exams, and other application materials. They can apply through services like PASS and be matched to programs through MATCH. Accredited specialty programs include endodontics, orthodontics, periodontics and others.
How to apply for post graduate studies in dentistryMohammed Alshehri
This document provides information about applying for post-graduate dentistry programs, including required application materials, exams, application services, accredited and non-accredited program options in North America, and programs in other countries. Prerequisites for application include transcripts, references, CV, English proficiency exams, dental exams, and program-specific requirements. Application is facilitated through services like PASS and programs are matched through MATCH. Accredited specialty programs include endodontics, oral surgery, periodontics and offer clinical certificates, master's and PhD degrees.
This document provides a summary of an editorial and articles from the CAD/CAM international magazine of digital dentistry. The editorial discusses the benefits of integrating chairside CAD/CAM dentistry and cone-beam CT technology into a dental practice. It allows dentists to provide same-day restorations and surgical guidance without outsourcing work. Upcoming software may combine intraoral scans and CBCT data to enable restorative-driven implant planning. Articles discuss CAD/CAM techniques for complex cases, CBCT applications, and industry news on digital dentistry events and products.
The document summarizes the results of several randomized controlled trials that compared different dental implant systems. The trials evaluated outcomes such as implant failure rates, marginal bone loss, and peri-implant tissue health. The studies generally found no statistically significant differences between major implant systems from companies like Straumann, Nobel Biocare, 3i, and others for factors like failure rates or bone loss over periods of up to 5 years.
1. The document discusses the relationship between nutrition and oral/dental health, noting several conditions where compromised nutrition can negatively impact oral health or be a consequence of oral disease.
2. It provides an overview of the effects that deficiencies of various nutrients can have on the periodontium and oral tissues. Several groups at higher risk of certain nutritional deficiencies are identified.
3. The conclusion emphasizes the role of dental practitioners in comprehensive patient care and maintaining total health, including providing baseline nutrition screening and referral to a dietitian when needed.
Creation of human ( an ebm of what written 1431 year ago in quran )Mohammed Alshehri
The document summarizes the stages of human creation according to modern science and the Quran in 3 sentences or less per stage:
1) Dust and water are the origins of the human body, as both contain the same elements.
2) A single fertilized cell divides and differentiates into 100 trillion specialized cells through a precise, unknown program.
3) The Quran's description of stages from nutfah (mixed drops) to clot to lump of flesh matches the scientific understanding revealed through modern microscopy.
The single matched, taper-sized gutta-percha cone techniqueMohammed Alshehri
The document introduces a novel single-matched, taper-sized gutta-percha cone obturation technique. It describes the technique which uses a single gutta-percha cone that matches the taper and size of the final rotary instrument used to prepare the root canal. The cone is coated with sealer and vertically condensed into the canal. The summary discusses the advantages of this technique, including a uniform gutta-percha mass with less sealer, better sealer distribution, less implementation time, and elimination of lateral stresses compared to other methods. Preliminary in vitro studies comparing this technique to lateral condensation and Thermafil obturation show comparable results.
Occlusal Considerations For Implant Supported Prostheses Implant Protectes O...Mohammed Alshehri
Trauma from occlusion refers to pathological changes in the periodontium caused by excessive force from chewing muscles. While excessive force alone does not cause tissue breakdown, it may act as a co-factor in plaque-induced periodontal disease by enhancing the rate of progression. Proper treatment of plaque is important to arrest tissue destruction, even if occlusal trauma persists. Treating occlusal trauma alone through adjustment or splinting may reduce mobility but not stop further breakdown from untreated plaque.
Cement Retained Versus Screw Retained Implant Restorations Achieving OptimalMohammed Alshehri
This document discusses the differences between cement-retained and screw-retained dental implant restorations and their impact on occlusion and esthetics. Cement-retained restorations provide better esthetics and occlusion as they avoid screw holes in the biting surface, but are not retrievable. Screw-retained restorations are retrievable but compromise occlusion and esthetics due to screw holes. The document argues that with high implant survival rates today, retrievability is less important than occlusion and esthetics, making cement-retained restorations preferable in most cases.
Anterior Single Implant Supported Restoration In Esthetic ZoneMohammed Alshehri
1. The document discusses optimal positioning for a single implant replacing a maxillary anterior tooth.
2. The ideal implant position has the body oriented along a straight line connecting the incisal edge and midfacial crest, with the implant centered under the incisal edge.
3. Placement should have the body 1-4mm below the facial gingival margin but not exceeding 4mm depth to avoid poor sulcular health outcomes.
The document summarizes findings from 10 randomized controlled trials comparing different dental implant systems. The trials evaluated outcomes like failure rates, marginal bone loss, and peri-implant soft tissue health. Meta-analyses found no significant differences between systems in failures or bone loss over time, including between surface types. Subsequent follow-ups of initial trials continued finding no significant differences in long-term outcomes between major implant systems.