Podcast
Questions and Answers
What must a dental hygienist adhere to in order to demonstrate professional responsibility?
What must a dental hygienist adhere to in order to demonstrate professional responsibility?
- Client preferences
- Popular dental practices
- Personal beliefs
- Healthcare legislation and professional guidelines (correct)
Which action is considered a controlled act that only authorized individuals can perform?
Which action is considered a controlled act that only authorized individuals can perform?
- Scheduling patient appointments
- Scaling and root planning (correct)
- Providing oral hygiene education
- Administering local anesthesia
Under what condition can dental hygienists perform orthodontic procedures?
Under what condition can dental hygienists perform orthodontic procedures?
- Following an order by a dentist (correct)
- When working independently
- Based on their personal judgment
- After receiving a direct complaint from a patient
What is true about the use of a high-speed handpiece in dental procedures?
What is true about the use of a high-speed handpiece in dental procedures?
Which of the following actions requires supervision by a dentist or dental technologist?
Which of the following actions requires supervision by a dentist or dental technologist?
What is the ideal ratio when measuring the length and width of the face?
What is the ideal ratio when measuring the length and width of the face?
Which measurements are included in the analysis of facial length?
Which measurements are included in the analysis of facial length?
What is indicated if the dental midline of the lower arch is not visible when smiling?
What is indicated if the dental midline of the lower arch is not visible when smiling?
In extraoral photographs, which view helps assess the position of the jaw?
In extraoral photographs, which view helps assess the position of the jaw?
Which is NOT a factor that influences facial analysis?
Which is NOT a factor that influences facial analysis?
What significant contribution did Pierre Fauchard make to orthodontics in 1728?
What significant contribution did Pierre Fauchard make to orthodontics in 1728?
Which material was commonly used in the early development of braces?
Which material was commonly used in the early development of braces?
What was the purpose of the initial assessment in orthodontic treatment?
What was the purpose of the initial assessment in orthodontic treatment?
Who perfected the Bandeau and was the first to recommend extraction of premolars for crowding?
Who perfected the Bandeau and was the first to recommend extraction of premolars for crowding?
What is a key objective of the client interview or case history in orthodontic assessment?
What is a key objective of the client interview or case history in orthodontic assessment?
Which aspect does orthodontics primarily focus on?
Which aspect does orthodontics primarily focus on?
What should be documented in the client's chart during the intake process?
What should be documented in the client's chart during the intake process?
Why is health history important in orthodontic assessment?
Why is health history important in orthodontic assessment?
What is the purpose of placing tracing paper over the cephalometric radiograph?
What is the purpose of placing tracing paper over the cephalometric radiograph?
Which material is NOT required in the metric approach for cephalometric tracing?
Which material is NOT required in the metric approach for cephalometric tracing?
What is identified as the Gnathion (Gn) in cephalometric analysis?
What is identified as the Gnathion (Gn) in cephalometric analysis?
What does the graphic approach in cephalometric analysis involve?
What does the graphic approach in cephalometric analysis involve?
What limitation of cephalometric analysis is highlighted in the material?
What limitation of cephalometric analysis is highlighted in the material?
Which tool is considered the simplest for determining symmetry in orthodontic study models?
Which tool is considered the simplest for determining symmetry in orthodontic study models?
What does the PNS refer to in cephalometric analysis?
What does the PNS refer to in cephalometric analysis?
What kind of jaw models are included in orthodontic study models?
What kind of jaw models are included in orthodontic study models?
What is assessed during the initial assessment related to occlusion?
What is assessed during the initial assessment related to occlusion?
What is indicated by a prognathic profile in a client?
What is indicated by a prognathic profile in a client?
Which of the following habits is associated with changes in dental arch form?
Which of the following habits is associated with changes in dental arch form?
What is the primary purpose of performing a hard tissue exam?
What is the primary purpose of performing a hard tissue exam?
Which assessment would evaluate the functioning of the temporomandibular joint (TMJ)?
Which assessment would evaluate the functioning of the temporomandibular joint (TMJ)?
What aspect of dental development does overbite measure?
What aspect of dental development does overbite measure?
Which of the following is a purpose of radiographs in the dental assessment?
Which of the following is a purpose of radiographs in the dental assessment?
Which classification indicates a normal occlusal relationship?
Which classification indicates a normal occlusal relationship?
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Study Notes
Dental Hygienist and the Orthodontic Setting
- Dental hygienists must adhere to healthcare legislation, CDHO regulations, code of ethics, and practice standards.
- Standards guide professional judgment and actions, encouraging self-reflection and continuous development.
- Controlled acts involve inherent risks and include procedures like scaling, root planning, and orthodontic procedures.
- The eleventh controlled act allows fitting and dispensing dental appliances but requires a dentist's order for orthodontic procedures.
- High-speed handpieces may not constitute a controlled act; context of use is critical.
- Dental hygienists cannot design or alter dental devices without supervision from a qualified professional.
Early Orthodontics
- Pierre Fauchard published "The Surgeon Dentist" in 1728, introducing methods to straighten teeth and the "Bandeau" for arch expansion.
- Ettienne Bourdet refined the "Bandeau" in 1757 and was the first to recommend premolar extraction for crowding.
- Edward Angle created the first classification for malocclusion and founded the first College of Orthodontics in 1901.
- Early braces utilized materials like platinum, silver, gum rubber, wood, ivory, and malleable 18K gold.
Orthodontics Today
- Orthodontics is a dental specialty focusing on the guidance and correction of dentofacial structures, as well as the prevention and treatment of malocclusions.
Diagnostic Records Assembly
- The assessment is the initial step in orthodontic treatment, aimed at learning about the client and obtaining initial dental records.
Components of Orthodontic Records
- Client Interview (Case History): Collects medical, dental, and social histories; identifies chief complaints and barriers to treatment.
- Clinical Examination: Includes extraoral and intraoral examinations to analyze oral health and facial features, utilizing extraoral photographs for assessment.
- Golden Ratio: Ideal facial proportion approximates 1.6, with measurements assessing symmetry and beauty perceptions through artistic and scientific methods.
Extraoral and Intraoral Photographs
- Frontal View: Assesses bilateral symmetry and midline alignment; lip position is crucial for evaluating lower dental appearance.
- Profile View: Evaluates jaw position and lip posture relative to esthetic lines; vital for facial proportion analysis.
Initial Assessment Form
- A comprehensive table used for documenting client profiles, occlusion classes, dentition status, and existing habits.
Radiographs
- Used to assess current dental status, including caries and periodontal issues.
- Cephalometric Tracing: Involves angular and linear measurements for orthodontic analysis and requires specific materials like tracing paper and rulers.
Important Ceph Points and Reference Lines
- Nasion (Na), Anterior Nasal Spine (ANS), Posterior Nasal Spine (PNS), Menton (Me), and Gonion (Go) are key landmarks in cephalometric analysis.
- Understanding stable reference structures is essential for orthodontic evaluations, although errors in landmark identification can affect results.
Orthodontic Study Models
- Comprise maxillary and mandibular plaster models and bite registration, used to determine dental symmetry. A transparent ruler grid aids in accurate measurements.
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