This article introduces the origin of articulator and its development process from humble to perfect in the past more than 200 years. The development of articulator is divided into 3 historical periods by the author:Early articulator,modern articulator and contemporary articula-tor.Meanwhile,the detailed basic design principle of articulator,the development of condylar guidance and incisal guidance are explained.

This article introduces a new concept,named “dynamic functional design”(DFD)for the anterior guidance control of prosthe-ses.The concept was proposed from the deficiency of “digital smile design”as a complement.Four key points have been discussed to realize DFD in clinic by 1 0 real cases,and a new classification for anterior teeth restoration is presented according to DFD in this paper.

The presented article introduces a new classification based on the definitive condition of “Occlusion”after repair for different dentition defects,edentulous jaws and maxillofacial defects.The new classification contains 2 types and 8 subclasses descriptions.Exquisite pictures are used for the detailed demonstration.It may help dentists to know the final occlusion result even before the treatment and to pre-pare the major clinical operations..

With the wide application of digital technique in dental clinic,the virtual articulator has become an important tool of CAD/CAM systems for dental labs.The presented article introduces the classification,advantages and setting parameters of the virtual articulator.The authors also comment on the current commercial products of the virtual articulators in the domestic market.

With the development of implant,more reliable way of the treatment of posterior teeth loss can be acheived.Dental implants present different biological and biomechanical characteristics from natural teeth and natural teeth with crown.It is important to realize these differences and occlusal adjustment accurately for the improvement of the treatment and prolongation of implant service life.This paper re-views the critical point with a clinical case.

This article systematically introduces the basic conception,classification and physiological significance of anterior guidance for anterior prostheses.A customized incisal guidance table was introduced to record and transfer the individual value of the patient to a virtual full-adjustable articulator system.The clinic effects of the individual value and average value were also compared.

Objective To investigate the mechanism of acute patella bone cartilage fracture,and further study its diagnosis and treatment of clinical significance.Methods Collecting 21 cases of the acute patella bone cartilage fracture from July 2005 to December 2007.Eleven patients were male and ten were female,with the mean age of 31.6 (16～46) years.All the patients were treated using the arthroseopic microfracture technique after MR examination.Results All patients were followed up 6 to 18 months,did not show patellofemoral joint pain. Evaluated by Tagner rating,excellent outcomes were found in 17 cases,good in 4 cases,satisfactory results in 100% cases.Conclusion The arthroscopic microfracture technique in treatment of the patella cartilage fracture method is simple,easy to operate,can significantly improve knee function and pain,as well as the quality of life.

Objective:To develop a perioral force measurement system for the infants with cleft lip and palate.Methods:The peri-oral force measurement system of infant with cleft lip and palate is composed of hardware and software.The sensor is metal cantilever. The measurement ranges are 0 -20 and 0 -1 00 g/cm2 ,and the precision is 0.1 g/cm2 .The system was used in 4 cases of infants with unilateral cleft lip and palate before and after cheiloplasty.The results were analyzed by SPSS 1 9.0 software.Results:Before cheilo-plasty the perioral force of labial frenum area was (1 .79 ±0.94)g/cm2 ,that of angulus oris area of normal side and cleft side was (5. 41 ±1 .01 )g/cm2 and (3.1 2 ±1 .55)g/cm2 (P <0.05);after cheiloplasty:the perioral force of labial frenum area was (1 2.73 ±3. 51 )g/cm2 ,that of angulus oris area of normal side and cleft side was (7.64 ±1 .64)g/cm2 and (7.27 ±1 .89)g/cm2 .Conclusion:The perioral force measurement system can be used to measure the perioral force of the infants with cleft lip and palate.

Objective:To estimate the clinical effect of integrated Xinjia Shashen Maidong Decoction and radiotherapy on advanced non-small-cell lung cancer (NSCLC) patients.Methods:30 NSCLC patients were treated with Xinjia Shashen Maidong Decoction after radiotherapy for more than two months,then the clinical effect were evaluated by tumor-mass stable rate,symptoms,Karnofsky score and survival period.Results:Response Evaluation Criteria in Solid Tumor (RECIST) evaluation results showed that the effective rate on relieving tumor mass was 53.3%,stable rate was 86.7%.The symptom of cough was much relieved,with 56.7% effective rate and 93.3% stable rate.And effect on Karnofsky score was good,that effective rate was 56.7% and stable rate was 86.7%. Fortunately,the patients had a median survival period of 11 months.Conclusion:Xinjia Shashen Maidong Decoction enhanced the efficacy of radiotherapy and reduced its side-effects in the treatment of advanced NSCLC patients.

Objective:To build 3D digitized face model of unilateral orbital defect and to realize imitating design of defect section.Methods:Phase measuring profilometry was employed to acquire a 3-D digitized face model with open eyes.By Geomagic software,the image of normal orbit was extracted and mirrored with the image of the deformed side of the orbit.Results:A 3-D digitized face model of unilateral orbital defect was successfully reconstructed and 3-D normal orbit data of defect section was acquired.Conclusion:The use of phase measuring profilometry and RE software is a convenient and effective method to the computer-aided design for the restoration of unilateral orbital defect.