- Complete edentulism is a common and frequently-occurring disease in clinical practice, and it is more common in the elderly. （ ）
- Retention is the quality inherent in the dental prosthesis acting to resist the forces of dislodgment along the path of placement. （ ）
- During the fabrication of a mandibular customized trays the tray need to form a notch opposing the Smoeya’s sinew ligament if it is present. （ ）
- The edentulous dental arch often does not match the opposing arch. （ ）
- When the posterior occlusal surface is higher than the lateral border of tongue, it is easy to bite the tongue. （ ）
- Traditional complete dentures consist of two parts: denture base and artificial teeth. （ ）
- If the patient's mandibular alveolar ridge is severely atrophied, the first option for a complete denture is an implant overdenture. （ ）
- According to the ACP (1999) classification system, upper and lower complete edentulism with little bone resorption and restorative space less than 18mm can be defined as Class I type. （ ）
- The buccal frenum divides the oral vestibular into two parts, the anterior arch and the posterior arch. （ ）
- Suction-effective complete dentures effectively seal the entire edge of the denture base through the mobile mucosa, so as to establish a temporary negative pressure during swallowing and chewing, prevent the denture from floating up when speaking, and enhance the retention and stability of the denture during functional movement. （ ）
- Compared with the quality of saliva, the quantity of saliva is more important for the retention of complete dentures. （ ）
- When there is premature or occlusion interferences in patients with complete dentures, it is easy to cause local soft tissue hyperplasia after long-term wearing. （ ）
- For edentulous jaws with good conditions such as Class I and II, attention should be paid to retention when designing a mucosa-supported complete denture; for classes III and IV with poor conditions, the design should focus on stability. （ ）
- It doesn't matter if the complete dentures with good retention are lessstable, they can also achieve good functions. （ ）
- There is not much difference in load capacity of natural dentitions and edentulous jaws. （ ）
- The role of the base in the components of the complete denture includes （ ）
- 4 The reasons for poor retention in complete dentures usually are （ ）
- During the active muscular-functional border trimming procedure for mandibular final impression, the patient need to be instructed do the following movements （ ）
- Basic components of suction-effective complete denture system （ ）
- Good suction of complete dentures needs to meet the following conditions （ ）
- The restorative effect of complete dentures is affected by the following factors （ ）
- Sealing mechanisms of maxillary suction-effective complete dentures include （ ）
- Factors affecting the retention of complete dentures are （ ）
- Intermaxillary risk factors in Intraoral examination for mandibular denture suction is composed of （ ）
- Which of the following is or are the characteristics of implant-assistant overdentures? （ ）
- What should be prepared on the primary model before the customized tray will be made? （ ）
- The mechanical factors that must be considered for the stability of complete dentures include （ ）
- 5 The reasons for the pronunciation difficulty after delivery of complete dentures are （ ）
- The factors influencing the long-term prognosis of implant prostheses include （ ）
- The polishing surface of the complete dentures should be （ ）
- The posterior border of maxillary complete dentures is（ ）
- The balanced occlusion is comprised of （ ）
- There are ways to determine the real vibrating line in the preliminary impression, namely （ ）
- The distance between the incisal face of maxillary central incisors and the incisive papilla usually is （ ）
- In terms of the denture base extension, which description is incorrect? （ ）
- Viewed from the front, the relationship between the occlusal plane of the mandibular posterior teeth and the transition part of the rough back and lateral surface of the tongue is （ ）
- When the complete denture cannot be put in place during the first insertion, you should （ ）
- According to the ACP (1999) classification system, upper and lower complete edentulism with restorative space less than 18mm that need surgical correction can be defined as （ ）
- For patients with poor bone anatomy and thin intraoral mucosa, what kind of occlusion should not be considered for artificial teeth arrangement? （ ）
- If a full edentulous patient presents with knife-edge alveolar ridges , proper measures that can be carried out are at below, except（ ）
- In order not to get food stacking or to interfere with lip movements, the labial angle formed between the peri-implant soft tissue and the crown should be less than （ ）
- Denture digital design software, also known as denture CAM software, is based on a three-dimensional digital model, with the help of computer modeling algorithms and denture database support, using human-computer interaction to achieve high-precision denture design software. （ ）
- In 1983, French dentist Francois Duret developed the first dental CAD/CAM machine. （ ）
- The processing advantages of digital complete dentures do not include （ ）.
- The common format for 3D viewing and editing in CAD softwares is （ ）.
- CAD软件中实现三维观察和编辑的常见格式为（ ）。
- According to the application mode, CAD/CAM systems can be divided into （ ）
- The labial level of soft tissue surrounding maxillary central incisal implants is the starting point of implantation strategy design. （ ）
- The exposure of maxillary anterior teeth is 4mm, when the length of the upper lip is within （ ）
- The mechanical failures in implant restorations include （ ）
- “Average smile” is used to describe the average extent of the location of the upper lip, that is, the 75% ~ 100% of anterior teeth and the buccal keratinized gingiva.（ ）
- After the tooth arrangement in the implant superstructure, the imaginary line connecting the labial cervical point of the implant and the gingival margin of the artificial tooth will form an angle with the long axis of the implant, namely ProsthProfile. When the angel of ProsthProfile is within （ ）, the proper restoration type is supposed to be an overdenture.
- When the second molars of the opposing natural teeth are severely elongated, the corresponding artificial teeth can be left out in the single complete denture . （ ）
- When the second molars of the opposing natural teeth are missing, the corresponding artificial teeth still need to be set up in the single complete denture to improve chewing efficiency. （ ）
- Compared with the bimaxillary complete dentures, the users of single complete dentures are more prone to worn artificial teeth, broken base, advanced alveolar ridge resorption, flobby alveolar ridges, and Epulis fissuratum（）
- Natural teeth are prone to abnormal occlusal curves, which is not conducive to the establishment of balanced occlusal of single complete dentures. （ ）
- The stability of the denture is given priority during tooth arrangement of the single complete denture . （ ）
- while the retention of a complete dentures is good at rest, the denture is prone to fall out during opening the mouth or speaking. The possible reasons are at below, except （ ）
- The possible reasons for tenderness after delivery of complete dentures are at below, except （ ）
- The possible reasons for the feeling of sickness after delivery of complete dentures are at below, except（ ）
- The possible modification measures to correct the cheek-biting problem after delivery of complete dentures are at below, except （ ）
- The possible reasons for diffused tenderness after delivery of complete dentures are at below, except （ ）
- After insertion of the complete dentures, the upper and lower artificial teeth show impact sounds during speaking, the reason is that the vertical distance is too high.（ ）
- What are the inspection measures after inserting the complete denture in a patient’s mouth （ ）
- In selective grinding complete dentures, when the lingual cusps of the maxillary posterior teeth are premature contacts in centric occlusion, and have interferences in lateral occlusion, the lingual cusps of the maxillary posterior teeth should be ground. （ ）
- When the delivery of a complete denture, it is found that the mandible is retrognathic and not in ICP. The reason may be （ ）
- When dentures are first worn, the correct prescription for patients are the below, except （ ）
- The centric tray is used to record （ ）
- Which one is the correct sequence of procedures in complete denture treatment?①Preliminary Impression and bite registration②Initial Examination and Assessment③Initial Delivery and Adjustment④Final Impression and Set-up of Artificial Teeth⑤Wax-up, Try-in and Finishing （ ）
- Which kind of retromolar pad is beneficial to mandibular denture suction? （ ）
- The Gothic arch is used to record （ ）
- Which one is fundamental and the starting point during the initial examination and assessment of full edentulism? （ ）
- The fabrication steps of suction-effective complete dentures include （ ）
- Which of the following does not belong to the principle of absorbing dentures （ ）
- The complete denture strategy for the soft maxillary alveolar ridge does not include （ ）
- Which of the following is not a drawback of a suction-effective complete denture （ ）
- What is not an indication for suction-effective complete dentures is （ ）
- The properties of the oral mucosa are also closely related to denture retention. What kind of mucosa is in favor of complete denture retention? （ ）
- According to the classification of the edentulous mandible by Atwood DA (1963) and Gawood JI (1988), alerolar ridge with blade-shaped alveolar ridge with insufficient width is type （ ）
- The force whereby molecules of matter adhere to one another refers to （ ）
- According to the formula by Stefan (1874), the retention force between two circular disks is inversely proportional to （ ）
- Which technique can be used to preserve the morphology of mucous fold in impression and the borer sealing effect. （ ）
- Which of the following belongs to the border sealing area in maxilla?（ ）
- The border sealing area poses sealing effect due to the thick mucosa. （ ）
- The anatomical landmarks relate to the posterior borders in the maxilla and mandible include （ ）
- The post dam area is located prior to the post vibrating line, with poor elasticity. （ ）
- Which of the following belongs to the relief area in the tissue surface of the mandibular denture base? （ ）
- Considering the absorption characteristics of the residual alveolar ridge in the edentulous mandible, which of the following description is incorrect （ ）
- Which of the following is not the English term for “牙列缺失” （ ）
- The resorption process of the remaining alveolar ridge can be divided into two stages with different resorbing speeds, of which the faster stage is （ ）
- Which of the following dentures are mucosa-supported （ ）
- Which of the statements about the residual alveolar ridge is incorrect （ ）
- As the components of complete dentures, the functions of artificial teeth do not include （ ）
答案:对
答案:对
答案:对
答案:对
答案:错
答案:对
答案:对
答案:错
答案:对
答案:对
答案:错
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