1. In group B, tympanoplasty with modified mastoidectomy was performed.

2. The indication for tympanoplasty has become broad.

3. Otorrhea or otopyorrhea may not be forbidden for tympanoplasty in clinical practice.

4. Method Tympanoplasty was operated on 32 chronic suppurative otitis media patients in the period of infection.

5. Results As the graft materials in tympanoplasty, tragus perichondrium and temporal muscular fasciae are effective to enhance the efficiency of drum membrane and audile of patients.

6. A tympanoplasty operation may elevate your hearing level to a certain extent.

7. The tympanic exploration is necessary to be included in tympanoplasty.

8. The slighter the pathological changes of CSOM, the more the hearing improve. The better effects was in tympanoplasty of simple type.

9. Objective To treat cholesteatoma of posterior part of mesotympanum and one stage tympanoplasty.

10. Objective To appraise the effect of intact wall open technic tympanoplasty on chronic otitis media.

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11. Objective To discuss the application of autologous materials in reconstructing attic and tympanoplasty.

12. Objective : To investigate the reasons of the second cholesteatoma of postoperative tympanoplasty.

13. To demonstrate the effect of chorda tympani nerve used in tympanoplasty.

14. Objective To investigate the hearing results of various materials in ossicular chain reconstruction, as well as those in open tympanoplasty and simple tympanoplasty.

15. Objective: To observe the efficacy of MEBO in the treatment of wounds formed in open tympanoplasty.

16. Objective: To estimate and compare the therapy effects of tympanoplasty between oversleeve sandwich method and underlay method.

17. Objective To study the changes of bone conduction threshold after tympanoplasty in patients with unilateral cholesteatoma.

18. OBJECTIVE To summarize our perioperative experience in treating chronic otitis media with tympanoplasty.

19. The author used bony meatal skin as a pedicle graft to make tympanoplasty. Theprocedures of the operation went into details and illustrated in some figures.

20. All the patients were treated with canalplasty, and 84 cases(84 ears) with mastoid process of pneumatic type were treated with tympanoplasty and canalplasty.

21. Objective:The role mastoid cavity plombage played in restoring physiological function of external meatus in open method tympanoplasty was studied.